| # | Book Title | Author | |
|---|---|---|---|
| 1 | Great Baseball Card Hunt, The | Greenberg, Daniel A. | |
| 2 | Stolen Signs, The | Otfinoski, Steven | |
| 3 | Who Stole Home Plate? | Otfinoski, Steven | |
| 4 | Missing Championship Ring, The | Greenberg, Daniel A. |
Juvenile Series and Sequels
| # | Book Title | Author | |
|---|---|---|---|
| 1 | Great Baseball Card Hunt, The | Greenberg, Daniel A. | |
| 2 | Stolen Signs, The | Otfinoski, Steven | |
| 3 | Who Stole Home Plate? | Otfinoski, Steven | |
| 4 | Missing Championship Ring, The | Greenberg, Daniel A. |