| # | Book Title | Author | |
|---|---|---|---|
| 1 | Secret of the Burning House, The | Roper, Gayle G. | |
| 2 | Discovery at Denny's Deli | Roper, Gayle G. | |
| 3 | Mystery at Harmony Hill | Roper, Gayle G. | |
| 4 | Case of the Missing Melody, The | Roper, Gayle G. | |
| 5 | Mystery of the Poison Pen, The | Roper, Gayle G. |