Betsy Haynes

Fabulous Five
   1. Seventh Grade Rumors (1988)
   2. The Trouble With Flirting (1988)
   3. The Popularity Trap (1988)
   4. Her Honor, Katie Shannon (1988)
   5. The Bragging War (1989)
   6. Parent Game (1989)
   7. The Kissing Disaster (1989)
   8. The Runaway Crisis (1989)
   9. The Boyfriend Dilemma (1989)
   10. Playing the Part (1989)
   11. Hit and Run (1989)
   12. Katie's Dating Tips (1989)
   13. The Christmas Countdown (1989)
   14. Seventh-grade Menace (1989)
   15. Melanie's Identity Crisis (1990)
   16. The Hot-line Emergency (1990)
   17. Celebrity Auction (1990)
   18. Teen Taxi (1990)
   19. The Boys-only Club (1990)
   20. The Witches of Wakeman (1990)
   21. Jana to the Rescue (1990)
   22. Melanie's Valentine (1991)
   23. Mall Mania (1991)
   24. The Great TV Turnoff (1991)
   25. Fabulous Five Minus One (1991)
   26. Laura's Secret (1991)
   27. The Scapegoat (1991)
   28. Breaking Up (1991)
   29. Melanie Edwards, Super Kisser (1992)
   30. Sibling Rivalry (1992)
   31. The Fabulous Five Together Again (1992)
   32. Class Trip Calamity (1992)

Fabulous Five Super Edition
   1. The Fabulous Five in Trouble (1990)
   2. Caribbean Adventure (1990)
   3. Missing You (1991)
   4. Yearbook Memories (1992)

Bone Chillers
   1. Beware the Shopping Mall (1994)
   2. Back to School (1994)
   3. Little Pet Shop of Horrors (1994)
   The Shopping Spree (1994)
   4. Frankenturkey (1994)
   5. Strange Brew (1995)
   6. Teacher Creature (1995)
   7. Frankenturkey 2 (1995)
   8. Welcome to Alien Inn (1995)
   9. Attack of the Killer Ants (1996)
   Gobble-de-spook (1996)
   10. Slime Time (1996)
   11. Toilet Terror (1996)
   12. Night of the Living Clay (1996) (with David Bergantino)
   The Return of Gobble-De-Spook (1996)
   13. The Thing Under the Bed (1996)
   14. A Terminal Case of the Uglies (1999) (with David Bergantino)
   15. Tiki Doll of Doom (1997)
   16. The Queen of the Gargoyles (1997) (with Gene Hult)
   17. Why I Quit the Babysitters Club (1997) (with David Bergantino)
   18. Blowtorch Psycho.Com (1997) (with Sherry Shahan)
   19. Night Squawker (1997) (with Dahlia Kosinski)
   20. Scare Bear (1997) (with Gene Hult)
   21. The Dog Ate My Homework (1997)
   22. Killer Clown of Kings County (1998) (with Daniel Ehrenhaft)
   23. Romeo and Ghouliette (1998)

Boy Talk
   1. Sneaking Around (1995)
   2. Dude in Distress (1995)
   3. Too Many Guys (1995)
   4. Double Dumped (1995)
   5. Tongue-Tied (1995)
   6. Too Blue (1996)
   7. Crazy in Love (1996)
   8. Faking It (1996)
   9. Heartbroken (1996)

Santa Diaries
   1. A Newfangled Christmas (2008)
   2. North Pole Virus (2008)
   3. Santa's Stowaway (2010)

Fifteen
   2. Faking It (Fifteen) (1986)

Twilight: Where Darkness Begins
   2. The Power (1986)