Real Kids Real Places
1. The Mystery of Biltmore House (1998)
2. The Mystery on the Freedom Trail (2003)
3. The Mystery of Blackbeard the Pirate (2003)
4. The Mystery of the Alamo Ghost (2003)
5. The Mystery On the California Mission Trail (2003)
6. The Mystery of the Missing Dinosaurs (2003)
7. The White House Christmas Mystery (2003)
8. The Mystery of the Iditarod Trail (2003)
9. Mystery At Kill Devil Hills (2003)
10. The Mystery in New York City (2003)
11. The Mystery At Walt Disney World (2003)
12. The Mystery On the Underground Railroad (2003)
13. The Mystery in the Rocky Mountains (2004)
14. The Mystery On the Mighty Mississippi (2004)
15. The Mystery At the Kentucky Derby (2004)
16. The Ghost of the Grand Canyon (2004)
17. The Mystery At Jamestown (2006)
18. The Mystery in Chocolate Town (2007)
19. The Gosh Awful Gold Rush Mystery (2007)
20. The Counterfeit Constitution Mystery (2008)
21. The Mystery of the Haunted Ghost Town (2008)
22. The Mystery in Las Vegas (2008)
23. The Mystery of the Graveyard of the Atlantic (2008)
24. The Ghost of the Golden Gate Bridge (2008)
25. The Wild Water Mystery of Niagra Falls (2009)
26. The Colonial Caper Mystery At Williamsburg (2009)
27. The Mission Possible Mystery At Space Center Houston (2009)
28. The Madcap Mystery of the Missing Liberty Bell (2009)
29. The Mystery at Fort Sumter (2010)
30. The Mystery on the Great Lakes (2010)
31. The Mystery in Hawaii - The 50th State (2010)
32. The Mystery at Mount Vernon (2010)
33. The Mystery on the Oregon Trail (2010)
34. The Mystery at Yellowstone National Park (2010)
The Mystery at Death Valley (2010)
The Mystery of the Smoky Mountain (2010)
The Wild Water Mystery at Niagara Falls (2010)
The Awesome Atlanta Mystery (2011)
The Mystery at Area 51 (2011)
The Mystery at Hollywood (2011)
The Mystery at Motown (2011)
The Mystery in the Twin Cities (2011)
The Baseball Mystery (2012)
The Big Atlanta Mystery (2012)
The Great Train Mystery (2012)
The Mystery of Mimi's Haunted Book Shop (2012)

Awesome Mysteries
1. The Awesome Aquarium Mystery! (2006)
2. The Zany Zoo Mystery (2003)
3. The Puzzle of the Indian Arrowhead (2006)

Masters of Disasters
1. The Earthshaking Earthquake Mystery! (2007)
2. The Treacherous Tornado Mystery (2007)
3. The Horrendous Hurricane Mystery (2003)
The Behemoth Blizzard Mystery (2008)
The Ferocious Forest Fire Mystery (2008)
The Voracious Volcano Mystery (2008)

Around the World in 80 Mysteries
1. The Mystery At Big Ben (2005)
2. The Mystery at the Eiffel Tower (2005)
3. The Mystery At the Roman Colosseum (2006)
4. The Mystery of the Ancient Pyramid: Cairo, Egypt (2006)
5. The Mystery On the Great Wall of China: Beijing, China (2006)
6. The Mystery On the Great Barrier Reef: Australia (2006)
7. The Mystery At Mt. Fuji: Tokyo, Japan (2007)
8. The Mystery in the Amazon Rainforest: Around the World in 80 Mysteries (2007)
9. The Mystery At Dracula's Castle: Transylvania, Romania (2008)
10. The Curse of the Ancient Acropolis: Athens, Greece (2008)
11. The Mystery of the Crystal Castle: Bavaria, Germany (2008)
12. The Mystery in Icy Antarctica: The Frozen Continent (2008)
13. The Rip-Roaring Mystery On the African Safari (2009)
14. The Breathtaking Mystery on Mt. Everest (2009)

Three Amigos
1. The Case of the Crybaby Cowboy (2006)
2. The Riddle of the Ooglie Booglie (2006)

Criss Cross Applesauce
1. The Case of the Hunchback Hairdresser (2006)
2. The Riddle of the Missing Puppies (2006)
3. The Puzzle of the Shark Surfer Girl (2006)

Pretty Darn Scary Mysteries
1. The Ghost of Pickpocket Plantation (2006)
2. The Secret of Skullcracker Swamp (2006)
3. The Mystery At Fort Thunderbolt (2007)
4. The Secret of Eyesocket Island (2007)

Postcard Mysteries
1. Dear Alien: The Little Green Man Mystery (2007)
2. Dear Bats:The Creepy Cave Caper Mystery (2007)
3. Dear Pirate:The Buried Treasure Mystery (2007)

Field Trips
1. Adventure To the Eight Wonders of the World (2007)
2. Adventure To the Planet Mars! (2007)
3. Adventure To the Pioneer Praire! (2007)

Mary America
1. First Girl President of the United States (2010)