| # | Book Title | Author | |
|---|---|---|---|
| 1 | Case of the Secret Message, The | Teitelbaum, Michael | |
| 2 | Case of the Stolen Jewel, The | Teitelbaum, Michael | |
| 3 | Case of the Chocolate Fingerprints, The | Rowland, Della | |
| 4 | Case of the Missing Movie, The | Rowland, Della | |
| 5 | Case of the Zoo Clue, The | Rowland, Della | |
| 6 | Case of the Runaway Turtle, The | Rowland, Della | |
| 7 | Case of the Mystery Ghost, The | Rowland, Della | |
| 8 | Case of the Clubhouse Thief, The | Rowland, Della | |
| 9 | Case of the Karate Chop, The | Rowland, Della | |
| 10 | Case of the Secret Password, The | Rowland, Della | |
| 11 | Case of the Barking Dog, The | Rowland, Della | |
| 12 | Case of the Winning Skateboard, The | Rowland, Della | |
| 13 | Case of the Soccer Camp Mystery, The | Rowland, Della |