Power Plays
1. Politika (1997) (with Tom Clancy)
2. Ruthless.Com (1998) (with Tom Clancy)
3. Shadow Watch (1999) (with Tom Clancy)
4. Bio-Strike (2000) (with Tom Clancy)
7. Zero Hour (2003) (with Tom Clancy and Jerome Preisler)

SSN (1996) (with Tom Clancy)
The Angel Is Near (2004) (with Deepak Chopra)

The Mammoth Book of ...
The Mammoth Book of Short Crime Novels (1986) (with Bill Pronzini)
The Mammoth Book of Short Spy Novels (1986) (with Bill Pronzini)
The Mammoth Book of Private Eye Stories (1988) (with Bill Pronzini)
The Mammoth Book of Golden Age Science Fiction: Short Novels of the 1940s (1989) (with Isaac Asimov and Charles G Waugh)
The Mammoth Book of World War II Stories (1989) (with Bill Pronzini)
The Mammoth Book of Modern Science Fiction: Short Novels of the 1980s (1993) (with Isaac Asimov and Charles G Waugh)
The Mammoth Book of Fantasy All-Time Greats (1998) (with Robert Silverberg)
     aka The Fantasy Hall of Fame

Isaac Asimov Presents the Great SF Stories (with Isaac Asimov)
1. The Great SF Stories One: 1939 (1979)
2. The Great SF Stories Two: 1940 (1979)
3. The Great SF Stories 3: 1941 (1980)
4. The Great SF Stories 4: 1942 (1980)
5. The Great SF Stories 5: 1943 (1981)
6. The Great SF Stories 6: 1944 (1981)
7. The Great SF Stories 7: 1945 (1982)
8. The Great SF Stories 8: 1946 (1982)
9. The Great SF Stories 9: 1947 (1983)
10. The Great SF Stories 10: 1948 (1983)
11. The Great SF Stories 11: 1949 (1984)
12. The Great SF Stories 12: 1950 (1984)
13. The Great SF Stories 13: 1951 (1985)
14. The Great SF Stories 14: 1952 (1985)
15. The Great SF Stories 15: 1953 (1986)
16. The Great SF Stories 16: 1954 (1986)
17. The Great SF Stories 17: 1955 (1987)
18. The Great SF Stories 18 (1986)
19. The Great SF Stories 19: 1957 (1989)
20. The Great SF Stories 20 (1990)
22. The Great SF Stories 22 (1991)
23. The Great SF Stories 23 (1991)
24. The Great SF Stories 24 (1992)
25. The Great SF Stories 25 (1992)

Isaac Asimov's Wonderful Worlds of Science Fiction
1. Intergalactic Empires (1983) (with Isaac Asimov and Charles G Waugh)
2. The Science Fictional Olympics (1984) (with Isaac Asimov and Charles G Waugh)
3. Supermen (1984) (with Isaac Asimov and Charles G Waugh)
4. Comets (1986) (with Isaac Asimov and Charles G Waugh)
5. Tin Stars (1986) (with Isaac Asimov and Charles G Waugh)
6. Neanderthals (1987) (with Isaac Asimov, Robert Silverberg and Charles G Waugh)
7. Space Shuttles (1987) (with Isaac Asimov and Charles G Waugh)
9. Robots (1988) (with Isaac Asimov and Charles G Waugh)
10. Invasions (1990) (with Isaac Asimov)

Isaac Asimov's Magical Worlds of Fantasy
1. Wizards (1983) (with Isaac Asimov and Charles G Waugh)
2. Witches (1984) (with Isaac Asimov)
3. 3 Cosmic Knights (1985) (with Isaac Asimov)
4. Spells (1985) (with Isaac Asimov)
5. Giants (1985) (with Isaac Asimov)
6. Mythical Beasties (1983) (with Isaac Asimov)
7. Magical Wishes (1986) (with Isaac Asimov)
8. Devils (1987) (with Isaac Asimov)
9. Atlantis (1988) (with Isaac Asimov and Charles G Waugh)
10. Ghosts (1984) (with Isaac Asimov)
11. Curses (1989) (with Isaac Asimov and Charles G Waugh)
12. Faeries (1991) (with Isaac Asimov and Charles G Waugh)

Young...
Young Extraterrestrials (1984) (with Isaac Asimov)
Young Mutants (1984) (with Isaac Asimov and Charles G Waugh)
Young Star Travelers (1986) (with Isaac Asimov and Charles G Waugh)
Young Witches and Warlocks (1987) (with Isaac Asimov)

Civil War Women (with Frank D McSherry and Charles G Waugh)
1. Civil War Women: The Civil War Seen Through Women's Eyes in Stories by Louisa May Alcott, Kate Chopin, Eudora Welty, and Other Great Women Writers (1988)
2. Civil War Women II: Stories by Women About Women (1997)

Catfantastic (with Andre Norton)
Catfantastic: Nine Lives and Fifteen Tales (1989)
Catfantastic II (1990)
Catfantastic III (1994)
Catfantastic IV (1996)
Catfantastic V (1999)

Murder Most...
Murder Most Sacred: Great Catholic Tales of Mystery and Suspense (1989) (with Edward D Hoch)
Murder Most Medieval: Noble Tales of Ignoble Demises (1993) (with John Helfers)
Murder Most Delicious (1995)
Murder Most Medical (1995) (with Cathleen Jordan and Cynthia Manson)
Murder Most Irish (1996) (with Michael Jahn)
Murder Most Divine (2000) (with Ralph McInerny)
Murder Most Delectable: Savory Tales of Culinary Crimes (2001)
Murder Most Feline: Cunning Tales of Cats and Crime (2001) (with Ed Gorman and Larry Segriff)
Murder Most Postal (2001) (with Mike Towle)
Murder Most Romantic: Passionate Tales of Life and Death (2001) (with Denise Little)
Murder Most Celtic (2003)
Murder Most Confederate (2003)

New Hugo Winners
1. New Hugo Winners: Award Winning Science Fiction Stories (1989)

New Frontiers (with Bill Pronzini)
1. New Frontiers Vol. 1 (1989)
2. New Frontiers Vol. 2 (1990)

Isaac Asimov's Universe
1. The Diplomacy Guild (1990)
2. Phases in Chaos (1991)
3. Unnatural Diplomacy (1992)

Cat Crimes
Cat Crimes I (1991) (with Ed Gorman)
Cat Crimes II: Masters of Mystery Present More Tales of the Cat (1992) (with Ed Gorman)
Cat Crimes III (1992) (with Ed Gorman)
Cat Crimes for the Holidays (1995) (with Ed Gorman and Larry Segriff)
Cat Crimes Takes a Vacation (1995) (with Ed Gorman)
Cat Crimes Through Time (1998) (with Ed Gorman and Larry Segriff)

Fantastic
Horse Fantastic (1991) (with Rosalind M Greenberg)
Dragon Fantastic (1992) (with Rosalind M Greenberg)
Dinosaur Fantastic (1993) (with Mike Resnick)
Witch Fantastic (1994) (with Mike Resnick)
Fantastic Alice (1995) (with Margaret Weis)
Castle Fantastic (1996) (with John DeChancie)
Tarot Fantastic (1997) (with Lawrence Schimel)
Wizard Fantastic (1997)
Zodiac Fantastic (1997) (with A R Morlan)
Camelot Fantastic (1998) (with Lawrence Schimel)
Civil War Fantastic (2000)
Spell Fantastic (2000) (with Larry Segriff)
Warrior Fantastic (2000) (with John Helfers)
Assassin Fantastic (2001) (with Alexander Potter)
Knight Fantastic (2002) (with John Helfers)
Pharaoh Fantastic (2002) (with Brittany A Koren)
Fate Fantastic (2007) (with Daniel M Hoyt)
Fellowship Fantastic (2008) (with Kerrie Hughes)
Gamer Fantastic (2009) (with Kerrie Hughes)

My Favorite Story
My Favorite Fantasy Story (1994)
My Favorite Science Fiction Story (1999)
My Favorite Horror Story (2000) (with Mike Baker)

Sisters in Fantasy (with Susan Shwartz)
1. Sisters in Fantasy (1995)
2. Sisters in Fantasy 2 (1996)

Chicks in Chainmail (with Esther Friesner)
3. Chicks 'n Chained Males (1999)
4. The Chick Is in the Mail (2000)

Price of Freedom
1. The Price of Freedom: Slavery and the Civil War Vol 1 (2000) (with Edna Greene Medford)
2. The Price of Freedom Volume 2 (2000)

...Beginnings (with Steven H Silver)
Horrible Beginnings (2003)
Magical Beginnings (2003)
Wondrous Beginnings (2003)

American Government Through Science Fiction (1974) (with Joseph Olander and Patricia S Warrick)
Introductory Psychology Through Science Fiction (1974) (with Harvey A Katz and Patricia S Warrick)
The New Awareness: Religion Through Science Fiction (1975) (with Patricia S Warrick)
The City 2000 A. D.: Urban Life Through Science Fiction (1976) (with Ralph Clem and Joseph Olander)
100 Great Science Fiction Short Short Stories (1978) (with Isaac Asimov and Joseph Olander)
International Relations Through SF (1978)
Neglected Visions (1979) (with Barry N Malzberg and Joseph Olander)
Science Fiction of the Fifties (1979) (with Joseph Olander)
Dawn of Time: Prehistory Through Science Fiction (1979) (with Joseph Olander and Robert Silverberg)
Car Sinister (1979) (with Robert Silverberg)
The Science Fictional Solar System (1979) (with Isaac Asimov and Charles G Waugh)
The Seven Deadly Sins of Science Fiction (1980) (with Isaac Asimov and Charles G Waugh)
The Future in Question (1980) (with Isaac Asimov and Joseph Olander)
Microcosmic Tales (1980) (with Isaac Asimov and Joseph Olander)
Space Mail (1980) (with Isaac Asimov and Charles G Waugh)
The Great Science Fiction Series: Stories from the Best of the Science Fiction Series from 1944 to 1980 by All-Time Favorite Writers (1980) (with Joseph Olander and Frederik Pohl)
Future I: Short Stories (1980) (with Isaac Asimov and Charles G Waugh)
The Arbor House Treasury of Horror and the Supernatural (1981) (with Barry N Malzberg and Bill Pronzini)
A Century of Science Fiction 1950-1959 (1981) (with Robert Silverberg)
Great Tales of Mystery and Suspense (1981) (with Barry N Malzberg and Bill Pronzini)
A Treasury of Modern Fantasy (1981) (with Terry Carr)
First Voyages (1981) (with Damon Knight and Joseph Olander)
Thinking Machines (1981) (with Isaac Asimov and Charles G Waugh)
The Science Fictional Dinosaur (1981) (with Robert Silverberg and Charles G Waugh)
Catastrophes! (1981) (with Isaac Asimov and Charles G Waugh)
Isaac Asimov Presents the Best Science Fiction of the 19th Century (1981) (with Isaac Asimov and Charles G Waugh)
Seven Cardinal Virtues of Science Fiction (1981) (with Isaac Asimov and Charles G Waugh)
Travels Through Time (1981) (with Isaac Asimov, Thomas Leonard and Charles G Waugh)
Wild Inventions (1981) (with Isaac Asimov and Charles G Waugh)
The Giant Book of Horror Stories (1981) (with Barry N Malzberg and Bill Pronzini)
The Arbor House Treasury of Mystery and Suspense (1982) (with Barry N Malzberg and Bill Pronzini)
Tantalizing Locked Room Mysteries (1982) (with Isaac Asimov and Charles G Waugh)
Dragon Tales (1982) (with Isaac Asimov and Charles G Waugh)
Arbor House Celebrity Book of Horror Stories (1982) (with Charles G Waugh)
The Big Apple Mysteries (1982) (with Isaac Asimov and Carol-Lynn Waugh)
The Last Man on Earth (1982) (with Isaac Asimov and Charles G Waugh)
Science Fiction A to Z: A Dictionary of the Great S.F. Themes (1982)
Computer Crimes and Capers (1983) (with Isaac Asimov and Charles G Waugh)
Creations: The Quest for Origins in Story and Science (1983) (with Isaac Asimov and George Zebrowski)
Haunted Houses: The Greatest Stories (1983)
The One That Got Away and Other Tales of the Stream and Sea: A Treasury of Fishing Stories and Lore (1983) (with Charles G Waugh)
The Science Fiction Weight-Loss Book (1983) (with Isaac Asimov and George R R Martin)
Caught in the Organ Draft: Biology in Science Fiction (1983) (with Isaac Asimov)
Hallucination Orbit: Psychology in Science Fiction (1983) (with Isaac Asimov and Charles G Waugh)
Show Business Is Murder (1983) (with Isaac Asimov)
Starships (1983) (with Isaac Asimov and Charles G Waugh)
Arbor House Celebrity Book of the Greatest Stories Ever Told (1983) (with Charles G Waugh)
The Fantasy Hall of FameX (1983) (with Robert Silverberg)
The Mystery Hall of Fame: An Anthology of Classic Mystery and Suspense Stories Selected by Mystery Writers of America (1984) (with Bill Pronzini and Charles G Waugh)
The Western Hall of Fame: An Anthology of Classic Western Stories Selected by the Western Writers of America (1984) (with Bill Pronzini)
Machines That Think: The Best Science Fiction Stories About Robots and Computers (1984) (with Patricia S Warrick)
Sci-Fi Private Eye (1984) (with Charles G Waugh)
100 Great Fantasy Short Short Stories (1984) (with Isaac Asimov, Terry Carr)
Murder On the Menu (1984) (with Isaac Asimov and Carol-Lynn Waugh)
Science Fiction 18: 1956 - Classic Stories from the Golden Age of Science Fiction (1984) (with Isaac Asimov and Charles G Waugh)
Baker's Dozen: 13 Short Horror Novels (1984) (with Charles G Waugh)
The Outlaws (1984) (with Bill Pronzini)
The Reel West (1984) (with Bill Pronzini)
Sherlock Holmes Through Time and Space (1984) (with Isaac Asimov and Charles G Waugh)
Election Day 2084: Science Fiction Stories About the Future of Politics (1984) (with Isaac Asimov)
Machines That Kill (1984) (with Fred Saberhagen)
100 Tiny Terror Tales (1984) (with Stefan R Dziemianowicz and Robert E Weinberg)
The Arbor House Treasury of Great Western Stories (1985) (with Bill Pronzini)
Women Sleuths (1985) (with Bill Pronzini)
13 Short Mystery Novels (1985) (with Bill Pronzini)
The Cowboys (1985) (with Bill Pronzini)
The Ethnic Detectives: Masterpieces of Mystery Fiction (1985) (with Bill Pronzini)
The Time Travelers: A Science Fiction Quartet (1985) (with Robert Silverberg)
Great Science Fiction Stories by the World's Great Scientists (1985) (with Isaac Asimov)
The Warriors (1985) (with Bill Pronzini)
Amazing Stories: 60 Years of the Best Science Fiction (1985) (with Isaac Asimov)
The Second Reel West (1985) (with Bill Pronzini)
Murder in the First Reel (1985) (with Bill Pronzini and Charles G Waugh)
Beyond Armageddon: Twenty-One Sermons to the Dead (1985) (with Walter M Miller)
Mercenaries of Tomorrow (1985) (with Poul Anderson and Charles G Waugh)
Terrorists of Tomorrow (1985) (with Poul Anderson and Charles G Waugh)
A Treasury of American Horror Stories (1985) (with Frank D McSherry and Charles G Waugh)
Hitler Victorious: Eleven Stories of the German Victory in World War II (1986) (with Gregory Benford)
Steamboaters (1986) (with Bill Pronzini)
101 Science Fiction Stories (1986)
Barbarians (1986) (with Robert Adams and Charles G Waugh)
Railroaders (1986) (with Bill Pronzini)
Uncollected Stars (1986) (with Piers Anthony, Barry N Malzberg and Charles G Waugh)
Never Shake a Family Tree: And Other Heart-Stopping Tales of Murder in New England (1986) (with Billie Sue Mosiman)
Mystery in the Mainstream: An Anthology of Literary Crimes (1986) (with Barry N Malzberg and Bill Pronzini)
The Third Reel West (1986) (with Bill Pronzini)
Amazing Stories : Visions of Other Worlds (1986)
Locked Room Puzzles 3 (1986) (with Bill Pronzini)
Strange Maine (1986) (with Frank D McSherry and Charles G Waugh)
The Cattlemen (1986) (with Bill Pronzini)
Time Wars (1986) (with Poul Anderson and Charles G Waugh)
The Twelve Frights of Christmas (1986) (with Isaac Asimov and Charles G Waugh)
Worlds of If: A Retrospective Anthology (1986) (with Joseph Olander and Frederik Pohl)
Horse Soldiers (1987) (with Bill Pronzini)
A Century of Horror 1970-1979: The Greatest Stories of the Decade (1987) (with David Drake)
First Contact (1987) (with Larry Segriff)
Great British Detectives (1987) (with Edward D Hoch)
House Shudders (1987) (with Charles G Waugh)
Manhattan Mysteries (1987) (with Bill Pronzini and Carol-Lynn Waugh)
Spaceships and Spells (1987) (with Charles G Waugh and Jane Yolen)
Vamps: An Anthology of Female Vampire Stories (1987) (with Charles G Waugh)
Barbarians II (1987) (with Robert Adams and Charles G Waugh)
Cinemonsters (1987) (with Charles G Waugh)
Hound Dunnit (1987) (with Isaac Asimov and Charles G Waugh)
Prime Suspects (1987) (with Bill Pronzini)
Extraterrestrials (1987) (with Isaac Asimov)
The Horror Hall of Fame (1987) (with Robert Silverberg)
Great Science Fiction of the 20th Century (1987) (with Robert Silverberg)
On the Diamond: A Treasury of Baseball Stories (1987)
Uncollected Crimes (1987) (with Bill Pronzini)
The Wild Years 1946-1955 (Amazing Science Fiction Anthology Series) (1987)
Great British Detectives 5 (1987)
Suspicious Characters (1987) (with Bill Pronzini)
The Gunfighters (1987) (with Bill Pronzini)
Murder and Mystery in Boston (1987) (with Carol-Lynn Waugh)
Rod Serling's Night Gallery Reader (1987) (with Carol Serling and Charles G Waugh)
13 Short Detective Novels (1987) (with Bill Pronzini)
In the Ring: A Treasury of Boxing Stories (1987)
Women Write Murder (1987) (with Edward D Hoch)
Masterpieces of Mystery and Suspense (1988)
Criminal Elements (1988) (with Bill Pronzini)
Cloak and Dagger: A Treasury of 35 Great Espionage Stories (1988) (with Bill Pronzini)
Isaac Asimov's Science Fiction Treasury (1988) (with Isaac Asimov and Joseph Olander)
Haunted New England: Classic Tales of the Strange and Supernatural (1988) (with Frank D McSherry and Charles G Waugh)
Space Wars (1988) (with Poul Anderson and Charles G Waugh)
Spacefighters (1988) (with Joe Haldeman and Charles G Waugh)
The Texans (1988) (with Bill Pronzini)
Weird Tales: 32 Unearthed Horrors (1988) (with Stefan R Dziemianowicz and Robert E Weinberg)
Nuclear War (1988) (with Gregory Benford)
Best of the West: Stories That Inspired Classic Western Films (1988) (with Bill Pronzini)
Sports Babylon: Sex, Drugs, and Other Dirty Dealings in the World of Sports (1988) (with Mark Sabljak)
Homicidal Acts (1988) (with Bill Pronzini)
Mr. President, Private Eye (1988) (with Francis M Nevins)
The Best Science Fiction of 1987 (1988) (with Orson Scott Card)
Tales of the Occult (1989) (with Isaac Asimov and Charles G Waugh)
The Californians (1989) (with Bill Pronzini)
Christmas on Ganymede (1989)
Stalkers (1989) (with Ed Gorman)
Worlds Imagined: 14 Short Science Fiction Novels (1989) (with Robert Silverberg)
The Best Japanese Science Fiction Stories (1989) (with John L Apostolou)
The Best Crime Stories of the Nineteenth Century (1989) (with Isaac Asimov and Charles G Waugh)
Purr-fect Crime: Fifteen Master Storytellers Celebrate the Sinister Feline (1989) (with Isaac Asimov and Carol-Lynn Waugh)
Phantoms (1989) (with Rosalind M Greenberg)
Felonious Assaults (1989) (with Bill Pronzini)
East Coast Ghosts (1989) (with Charles G Waugh)
Alternate Empires: What Might Have Been? Vol I (1989) (with Gregory Benford)
The Mists From Beyond: 22 Ghost Stories and Tales from the Other Side (1989) (with Stefan R Dziemianowicz and Robert E Weinberg)
Senior Sleuths: A Large Print Anthology of Mysteries and Puzzlers (1989) (with Isaac Asimov)
Things That Go Bump in the Night: A Collection of Original Stories (1989) (with Jane Yolen)
Visions of Fantasy: Tales From the Masters (1989) (with Isaac Asimov)
Foundation's Friends: Stories in Honor of Isaac Asimov (1989)
Space Infantry (1989) (with David Drake and Charles G Waugh)
The Lighthouse Horrors: Tales of Adventure, Suspense, and the Supernatural (1989) (with Charles G Waugh)
Touring Nam: The Vietnam War Reader (1989) (with Augustus Richard Norton)
The Best Fantasy Stories of the Year, 1988 (1989) (with Orson Scott Card)
The Best Science Fiction Stories of the Year: 1988 (1989) (with Orson Scott Card)
Friends, Robots, Countrymen (1989) (with Isaac Asimov)
100 Fiendish Little Frightmares (1990) (with Stefan R Dziemianowicz and Robert E Weinberg)
Lovecraft's Legacy (1990) (with Robert E Weinberg)
A Century of Fantasy 1980-1989 (1990) (with Robert Silverberg)
Dick Tracy: The Secret Files (1990) (with Max Allan Collins)
The Further Adventures of the Joker (1990)
Loaded for Bear: A Treasury of Great Hunting Stories (1990) (with Charles G Waugh)
Phantom Regiments (1990) (with Robert Adams)
Cosmic Critiques: How and Why Ten Science Fiction Stories Work (1990) (with Isaac Asimov)
Mummy Stories (1990)
Under the Gun: Mystery Scene Presents the Best Suspense and Mystery, First Annual Collection (1990) (with Ed Gorman and Robert J Randisi)
Between Time and Terror (1990) (with Stefan R Dziemianowicz and Robert E Weinberg)
The Northerners (1990) (with Bill Pronzini)
Rivals of Weird Tales (1990) (with Stefan R Dziemianowicz and Robert E Weinberg)
Devil Worshippers (1990) (with Charles G Waugh)
The New Edgar Winners: The Mystery Writers of America (1990)
Cults of Horror (1990) (with Charles G Waugh)
Space Dreadnoughts (1990) (with David Drake and Charles G Waugh)
Urban Horrors (1990) (with William F Nolan)
New England Ghosts (1990) (with Frank D McSherry and Charles G Waugh)
P.I. Files (1990) (with Loren D Estleman)
The Northwesterners (1990) (with Bill Pronzini)
Best of the West 3: More Stories That Inspired Classic Western Films (1990) (with Bill Pronzini)
The Best Science Fiction Value Collection 1 (1990) (with Orson Scott Card)
Christmas Out West (1990) (with Bill Pronzini)
Crime and Crime Again: Unexpected Mystery Stories by the World's Great Writers (1990) (with Barry N Malzberg and Bill Pronzini)
The Best Horror Stories of the Year, 1989 (1990) (with Orson Scott Card)
The Best Mystery Stories of the Year Mystery 1989 (1990) (with Orson Scott Card)
Classic Tales of Horror and the Supernatural (1991) (with Barry N Malzberg and Bill Pronzini)
A Taste for Blood (1991) (with Stefan R Dziemianowicz and Robert E Weinberg)
The Arbor House Treasury of Great Science Fiction Short Novels (1991) (with Robert Silverberg)
The Bradbury Chronicles (1991) (with William F Nolan)
The Fantastic Adventures of Robin Hood (1991)
The Montanans (1991) (with Bill Pronzini)
Sacred Visions (1991) (with Michael Cassutt, Andrew M Greeley)
A Treasury of Civil War Stories (1991) (with Bill Pronzini)
Vampires: The Greatest Stories (1991)
Back from the Dead (1991) (with Charles G Waugh)
Hollywood Ghosts: Haunting, Spine-Chilling Stories from America's Film Capital (1991) (with Frank D McSherry and Charles G Waugh)
Great Tales of the Golden Age of Science Fiction (1991) (with Isaac Asimov and Charles G Waugh)
A Treasury of World War II Stories (1991) (with Bill Pronzini)
Famous Fantastic Mysteries (1991) (with Stefan R Dziemianowicz and Robert E Weinberg)
Vampires: A Collection of Original Stories (1991) (with Jane Yolen)
Robot Warriors (1991) (with Charles G Waugh)
After the King: Stories in Honor of J R R Tolkien (1991)
Invitation to Murder (1991) (with Ed Gorman)
Solved (1991) (with Ed Gorman)
New Stories from the Twilight Zone (1991) (with Alan Brennert)
Best Science Fiction Value Collection 2 (1991) (with Orson Scott Card)
Nightmare on Elm Street: Freddy Krueger's Seven Sweetest Dreams (1991)
In the Shadow of the King: Stories in Honour of J.R.R. Tolkein (1992)
Journeys to the Twilight Zone (1992) (with Carol Serling)
Weird Vampire Tales (1992) (with Stefan R Dziemianowicz and Robert E Weinberg)
Xanadu (1992) (with Jane Yolen)
Murasaki (1992) (with Poul Anderson and Robert Silverberg)
Combat!: Great Tales of World War II (1992) (with Bill Pronzini)
Masters of Fantasy (1992) (with Terry Carr)
100 Ghastly Little Ghost Stories (1992) (with Stefan R Dziemianowicz and Robert E Weinberg)
Tales of Riverworld (1992) (with Philip José Farmer, Richard Gilliam and Edward E Kramer)
Bootcamp 3000 (1992) (with Gordon R Dickson)
Alternate Americas: What Might Have Been? Vol IV (1992) (with Gregory Benford)
Women on the Edge (1992)
Christmas Bestiary (1992)
Aladdin : Master of the Lamp (1992) (with Mike Resnick)
Third Annual Best Fantasy Stories of the Year (1992) (with Orson Scott Card)
To Sleep, Perchance to Dream...Nightmare (1993) (with Stefan R Dziemianowicz and Robert E Weinberg)
100 Dastardly Little Detective Stories (1993) (with Stefan R Dziemianowicz and Robert E Weinberg)
By Any Other Fame (1993) (with Mike Resnick)
Crimes of Passion (1993)
A Newbery Halloween: A Dozen Scary Stories by Newbery Award-Winning Authors (1993) (with Charles G Waugh)
One Hundred Hair-Raising Little Horror Stories (1993) (with Al Sarrantonio)
Predators (1993) (with Ed Gorman)
Great American Ghost Stories, Volume Two (1993) (with Frank D McSherry and Charles G Waugh)
Confederacy of the Dead (1993) (with Richard Gilliam and Edward E Kramer)
The Further Adventures of Wonder Woman (1993)
Quest to Riverworld (1993) (with Philip José Farmer, Richard Gilliam and Edward E Kramer)
Christmas Ghosts (1993) (with Mike Resnick)
Betcha Can't Read Just One (1993) (with Alan Dean Foster)
A Decade of Classic Crime: The New Edgar Winners (1993)
Frankenstein: The Monster Wakes (1993)
Nursery Crimes (1993) (with Stefan R Dziemianowicz and Robert E Weinberg)
Third Annual Best Horror Stories of the Year (1993) (with Orson Scott Card)
Third Annual Best Science Fiction Stories of the Year (1993) (with Orson Scott Card)
100 Creepy Little Creature Stories (1994) (with Stefan R Dziemianowicz and Robert E Weinberg)
100 Crooked Little Crime Stories (1994) (with Stefan R Dziemianowicz and Robert E Weinberg)
100 Wild Little Weird Tales (1994) (with Stefan R Dziemianowicz and Robert E Weinberg)
Feline and Famous: Cat Crimes Goes Hollywood (1994) (with Ed Gorman)
Great Tales of the West (1994) (with Bill Pronzini)
Great Tales of Horror and the Supernatural (1994) (with Barry N Malzberg and Bill Pronzini)
Great Tales of Science Fiction (1994) (with Robert Silverberg)
Nebula Award-Winning Novellas (1994)
Animal Brigade 3000 (1994) (with Charles G Waugh)
Great Stories of the American West (1994) (with John Jakes)
Murder for Mother (1994)
The New Hugo Winners Volume III (1994) (with Connie Willis)
Alien Pregnant by Elvis (1994) (with Esther Friesner)
More Dixie Ghosts: More Haunting, Spine-Chilling Stories from the American South (1994) (with Frank D McSherry and Charles G Waugh)
Murder for Father (1994)
Weird Tales from Shakespeare (1994) (with Katharine Kerr)
Royal Crimes (1994) (with Maxim Jakubowski)
Deals with the Devil (1994) (with Loren D Estleman and Mike Resnick)
Love in Vein: Twenty Original Tales of Vampiric Erotica (1994) (with Poppy Z Brite)
Commando Brigade 3000 (1994) (with Charles G Waugh)
New Trails: Twenty-Three Original Stories of the West from Western Writers of America (1994) (with John Jakes)
Return to the Twilight Zone (1994) (with Carol Serling)
100 Vicious Little Vampire Stories (1995) (with Stefan R Dziemianowicz and Robert E Weinberg)
100 Wicked Little Witch Stories (1995) (with Stefan R Dziemianowicz and Robert E Weinberg)
Dinosaurs (1995)
It Came From the Drive-In (1995) (with Norman Partridge)
More Phobias (1995) (with Richard Gilliam, Edward E Kramer and Wendy Webb)
The Secret Prophecies of Nostradamus (1995) (with Cynthia Sternau)
Sherlock Holmes in Orbit (1995) (with Mike Resnick)
A Newbery Zoo: A Dozen Animal Stories by Newbery Award-Winning Authors (1995) (with Charles G Waugh)
Torture Trek: And Eleven Other Action-Packed Stories of the Wild West (1995) (with Ryerson Johnson)
Heaven Sent: 18 Glorious Tales of the Angels (1995) (with Peter Crowther)
Vampire Detectives (1995)
Excalibur (1995) (with Richard Gilliam and Edward E Kramer)
New Legends (1995) (with Greg Bear)
Adventures of the Batman (1995)
Tales of the Batman (1995)
Warriors of Blood and Dream (1995) (with Roger Zelazny)
The Book of Kings (1995) (with Richard Gilliam)
Werewolves (1995)
Ancient Enchantresses (1995) (with Richard Gilliam and Kathleen M Massie-Ferch)
Great Writers and Kids Write Spooky Stories (1995) (with Jill M Morgan and Robert E Weinberg)
Peter S Beagle's Immortal Unicorn (1995) (with Peter S Beagle, Janet Berliner)
David Copperfield's Tales of the Impossible (1995) (with Janet Berliner, David Copperfield)
Celebrity Vampires (1995)
Desire Burn: Women's Stories From the Dark Side of Passion (1995) (with Janet Berliner and Uwe Luserke)
Forbidden Acts (1995) (with Nancy A Collins and Edward E Kramer)
Sisters of the Night (1995) (with Barbara Hambly)
Dark Love (1995) (with Nancy A Collins and Edward E Kramer)
The Giant Book of Science Fiction Stories (1995)
Woman on the Beat: Stories of Women Police Officers (1995) (with Ed Gorman)
Blood Muse (1995) (with Esther Friesner)
Night Screams (1995) (with Ed Gorman)
Wheel of Fortune (1995) (with Roger Zelazny)
Adventures in the Twilight Zone (1995) (with Carol Serling)
100 Astounding Little Alien Stories (1996) (with Stefan R Dziemianowicz and Robert E Weinberg)
Future Net (1996) (with Larry Segriff)
Great Stories of the American West II (1996) (with John Jakes)
Monster Brigade 3000 (1996) (with Charles G Waugh)
The Way It Wasn't (1996)
The Time of the Vampires (1996) (with P N Elrod)
UFOs: The Greatest Stories (1996)
Phantoms of the Night (1996) (with Richard Gilliam)
The Shimmering Door (1996) (with Katharine Kerr)
White House Horrors (1996)
An Anthology of Angels (1996) (with Larry Segriff)
David Copperfield's Beyond Imagination (1996) (with Janet Berliner, David Copperfield)
Supernatural Sleuths (1996) (with Charles G Waugh)
Holmes for the Holidays (1996) (with Jon L Lellenberg and Carol-Lynn Waugh)
Miskatonic University (1996) (with Robert E Weinberg)
Santa Clues (1996) (with Carol-Lynn Waugh)
Love in Vein II (1996) (with Poppy Z Brite)
Return to Avalon (1996) (with Jennifer Roberson)
100 Tiny Tales of Terror (1996) (with Stefan R Dziemianowicz and Robert E Weinberg)
Rivals of Dracula (1996) (with Stefan R Dziemianowicz and Robert E Weinberg)
Virtuous Vampires (1996) (with Stefan R Dziemianowicz and Robert E Weinberg)
Giant Book of Short Crime Stories (1997) (with Bill Pronzini)
Giant Book of War Stories (1997) (with Bill Pronzini)
Girls' Night Out: 29 Female Vampire Stories (1997) (with Stefan R Dziemianowicz and Robert E Weinberg)
Great Writers and Kids Write Mystery Stories (1997)
Giant Book of Private Eye Stories (1997) (with Bill Pronzini)
A Magic-Lover's Treasury of the Fantastic (1997) (with Margaret Weis)
The UFO Files (1997) (with Ed Gorman)
Death in Dixie (1997) (with Billie Sue Mosiman)
The New Twilight Zone (1997)
Return of the Dinosaurs (1997) (with Mike Resnick)
The Best Military Science Fiction of the 20th Century (1997) (with Harry Turtledove)
Legends of the Batman (1997)
Dragons: The Greatest Stories (1997)
The Fortune Teller (1997) (with Lawrence Schimel)
Lord of the Fantastic: Stories in Honor of Roger Zelazny (1997) (with Roger Zelazny)
Screamplays (1997) (with Richard T Chizmar)
Blood Lines: Vampire Stories from New England (1997) (with Lawrence Schimel)
Southern Blood: Vampire Stories from the American South (1997) (with Lawrence Schimel)
Elf Magic (1997)
The New Hugo Winners Volume IV (1997) (with Gregory Benford)
The Year's 25 Finest Crime and Mystery Stories (1997) (with Ed Gorman)
100 Twisted Little Tales of Torment (1998) (with Stefan R Dziemianowicz and Robert E Weinberg)
Murder They Wrote II (1998)
Olympus (1998) (with Bruce D Arthurs)
A Treasury of Cat Mysteries (1998)
Blowout in Little Man Flats: And Other Spine-Tingling Stories of Murder in the West (1998) (with Billie Sue Mosiman)
The Fifth Grave: And Other Terrifying Tales of Homicide in the Heartland (1998) (with Billie Sue Mosiman)
Fields of Blood (1998) (with Lawrence Schimel)
Warrior Princesses (1998) (with Elizabeth Ann Scarborough)
Black Cats and Broken Mirrors (1998) (with John Helfers)
The Conspiracy Files (1998) (with Scott H Urban)
The Reel Stuff (1998) (with Brian M Thomsen)
Battle Magic (1998) (with Larry Segriff)
Dangerous Vegetables (1998) (with Keith Laumer and Charles G Waugh)
Mob Magic (1998) (with Brian M Thomsen)
Till Death Do Us Part (1998) (with Jill M Morgan)
Crime After Crime (1998) (with Joan Hess)
Greatest Western Stories of the 20th Century (1998)
A Dangerous Magic (1999) (with Denise Little)
Twice Upon a Time (1999) (with Denise Little)
Prom Night (1999) (with Nancy Springer)
Starfall (1999)
First to Fight (1999)
Merlin (1999)
Alien Abductions (1999) (with John Helfers)
Children of the Night (1999)
Future Crimes (1999) (with Ed Gorman and John Helfers)
Vampire Slayers: Stories of Those Who Dare to Take Back the Night (1999) (with Elizabeth Ann Scarborough)
More Holmes for the Holiday (1999)
Past Lives, Present Tense (1999) (with Elizabeth Ann Scarborough)
Flights of Fantasy (1999) (with Mercedes Lackey)
100 Hilarious Little Howlers (1999) (with Stefan R Dziemianowicz and Robert E Weinberg)
Isaac Asimov Countdown 2000 (1999)
Star*drive: Starfall (1999)
The Year's 25 Finest Crime and Mystery Stories: Seventh Annual Edition (1999) (with Ed Gorman)
Mardi Gras Madness: Tales of Terror And Mayhem in New Orleans (2000) (with Russell Davis)
Star Colonies (2000) (with Ed Gorman and John Helfers)
Far Frontiers (2000) (with Larry Segriff)
Guardsmen of Tomorrow (2000) (with Larry Segriff)
Rapunzel's Revenge (2000) (with Brendan DuBois, Ed Gorman)
The World's Finest Mystery and Crime Stories II (2000) (with Ed Gorman)
Adoniram: And Other Selections by Newbery Authors (2001) (with Charles G Waugh)
The American Fantasy Tradition (2001) (with Brian M Thomsen)
The Best Alternate History Stories of the 20th Century (2001) (with Harry Turtledove)
Dancing Tom: And Other Selections by Newbery Authors (2001) (with Charles G Waugh)
Single White Vampire Seeks Same (2001) (with Brittany A Koren)
Oceans of Magic (2001) (with Brian M Thomsen)
Historical Hauntings (2001) (with Jean Rabe)
Villains Victorious (2001) (with John Helfers)
Pulp Masters (2001) (with Ed Gorman)
Death By Horoscope (2001) (with Anne Perry)
The Mutant Files (2001) (with John Helfers)
Christmas on the Prairie: And Other Selections by Newberry Authors (2001) (with Charles G Waugh)
A Date Which Will Live Infamy?: An Anthology of Pearl Harbors Stories That Might Have Been (2001) (with Brian M Thomsen)
For a Horse: And Other Selections by Newbery Authors (2001)
A Knife for Tomaso: And Other Selections by Newbery Authors (2001) (with Charles G Waugh)
Little Sioux Girl: And Other Selections by Newberry Authors (2001) (with Charles G Waugh)
Lone Cowboy: And Other Selections by Newberry Authors (2001) (with Charles G Waugh)
Past Imperfect (2001) (with Larry Segriff)
The Wise Soldier of Sellebak: and Other Selections by Newbery Authors (2001) (with Charles G Waugh)
Murder in Baker Street: New Tales of Sherlock Holmes (2001)
Silicon Dreams (2001) (with Larry Segriff)
Best Fantasy Value Collection 3 (2001) (with Orson Scott Card)
Best Horror Value Collection 3 (2001) (with Orson Scott Card)
The Great Science Fiction 1964 (2001) (with Robert Silverberg)
Alternate Gettysburgs (2002) (with Brian M Thomsen)
Lighthouse Hauntings: 12 Original Tales of the Supernatural (2002) (with Charles G Waugh)
Oceans of Space (2002) (with Brian M Thomsen)
Future Wars (2002) (with Larry Segriff)
Guns of the West (2002) (with Ed Gorman)
Murder Most Catholic (2002) (with Ralph McInerny)
Sol's Children (2002) (with Jean Rabe)
The Ultimate Cyberpunk (2002) (with Pat Cadigan)
Apprentice Fantastic (2002) (with Russell Davis)
Murder, My Dear Watson: New Tales of Sherlock Holmes (2002)
Midnight Mass: and Other Great Vampire Stories (2002)
Men Writing Science Fiction As Women (2003) (with Mike Resnick)
The Repentant (2003) (with Brian M Thomsen)
Give Me Liberty (2003) (with Mark Tier)
Space Stations (2004) (with John Helfers)
Faerie Tales (2004) (with Russell Davis)
Murder and Mystery in Chicago: Stories from Sara Paretsky to Robert Bloch (2004) (with Frank D McSherry and Carol-Lynn Waugh)
Sirius: The Dog Star (2004) (with Alexander Potter)
Little Red Riding Hood in the Big Bad City (2004) (with John Helfers)
Visions of Liberty (2004) (with Mark Tier)
Jack the Ripper (2004) (with Frank D McSherry and Charles G Waugh)
Haunted Holidays (2004) (with Russell Davis)
Texas Rangers (2004) (with Ed Gorman)
The Best Time Travel Stories of the 20th Century (2004) (with Harry Turtledove)
Grails : Quests of the Dawn (2004) (with Richard Gilliam and Edward E Kramer)
You Bet Your Planet (2005) (with Brittany A Koren)
Maiden, Matron, Crone (2005) (with Kerrie Hughes)
Gateways (2005)
In the Shadow of Evil (2005) (with John Helfers)
Magic Tails (2005) (with Janet Pack)
All Hell Breaking Loose (2005)
The Adventure of the Missing Detective: And 25 of the Year's Finest Crime And Mystery Stories! (2005) (with Ed Gorman)
The Ghosts of Baker Street: New Tales of Sherlock Holmes (2005) (with Jon L Lellenberg and Daniel Stashower)
Millennium: 3001 (2006) (with Russell Davis)
Back At the Track (2006)
Slipstreams (2006) (with John Helfers)
Children of Magic (2006) (with Kerrie Hughes)
The Widow of Slane: And Six More of the Best Crime and Mystery Novellas of the Year (2006) (with Ed Gorman)
Freedom! (2006) (with Mark Tier)
Fantasy Gone Wrong (2006) (with Brittany A Koren)
The Deadly Bride: And 19 of the Year's Finest Crime And Mystery Stories (2006) (with Ed Gorman)
Time Twisters (2007) (with Jean Rabe)
Future Weapons of War (2007) (with Joe Haldeman)
If I Were an Evil Overlord (2007) (with Russell Davis)
Places to Be, People to Kill (2007) (with Brittany A Koren)
Man Vs Machine (2007) (with John Helfers)
Heroes In Training (2007) (with Jim C Hines)
Pandora's Closet (2007) (with Jean Rabe)
Wizards, Inc. (2007) (with Loren L Coleman)
Wolf Woman Bay: And Nine More of the Finest Crime and Mystery Novellas of the Year (2007) (with Ed Gorman)
The Future We Wish We Had (2007) (with Rebecca Lickiss)
Something Magic This Way Comes (2008) (with Sarah A Hoyt)
The Dimension Next Door (2008) (with Kerrie Hughes)
Future Americas (2008) (with John Helfers)
Hotter Than Hell (2008) (with Kim Harrison)
Better Off Undead (2008) (with Daniel M Hoyt)
Imaginary Friends (2008) (with John Marco)
Catopolis (2008) (with Janet Deaver-Pack)
Crime Spells (2009) (with Loren L Coleman)
Sherlock Holmes in America (2009) (with Jon L Lellenberg and Daniel Stashower)
Terribly Twisted Tales (2009) (with Jean Rabe)
Between the Dark and the Daylight: And 27 More of the Best Crime and Mystery Stories of the Year (2009) (with Ed Gorman)
Zombie Raccoons & Killer Bunnies (2009) (with Kerrie Hughes)
Spells of the City (2009) (with Jean Rabe)
From Twilight Till Dawn (2009)
A Girl's Guide to Guns and Monsters (2010) (with Kerrie Hughes)
Full Moon City (2010) (with Darrell Schweitzer)
Timeshares (2010) (with Jean Rabe)
The End of the World: Stories of the Apocalypse (2010)
Ghost Towns (2010) (with Russell Davis)

Index to Crime and Mystery Anthologies (1991) (with William G Contento)
Tom Clancy Companion (1992) (see Tom Clancy)
The Dean Koontz Companion (1994) (with Ed Gorman) (see Dean Koontz)
Speaking of Murder, Volume II: Interviews With the Masters of Mystery and Suspense (1999) (with Ed Gorman)