| # | Book Title | Author | |
|---|---|---|---|
| 1 | Boxcar Children, The | Denton, Shannon Eric | |
| 2 | Surprise Island | Worley, Rob M. | |
| 3 | Yellow House Mystery, The | Worley, Rob M. | |
| 4 | Mystery Ranch | Long, Christopher E. | |
| 5 | Mike's Mystery | Long, Christopher E. | |
| 6 | Blue Bay Mystery | Worley, Rob M. | |
| 7 | Snowbound Mystery | Worley, Rob M. | |
| 8 | Tree House Mystery | Long, Christopher E. | |
| 9 | Haunted Cabin Mystery, The | Limke, Jeff | |
| 10 | Amusement Park Mystery, The | Denton, Shannon Eric | |
| 11 | Pizza Mystery, The | Worley, Rob M. | |
| 12 | Castle Mystery, The | Denton, Shannon Eric | |
| 13 | Woodshed Mystery, The | Warner, Gertrude Chandler | |
| 14 | Lighthouse Mystery, The | Warner, Gertrude Chandler | |
| 15 | Mountain Top Mystery | Warner, Gertrude Chandler | |
| 16 | Houseboat Mystery | Warner, Gertrude Chandler | |
| 17 | Bicycle Mystery | Warner, Gertrude Chandler | |
| 18 | Mystery in the Sand | Warner, Gertrude Chandler |