| # | Book Title | Author | |
|---|---|---|---|
| 1 | Mystery of Ghost Canyon, The | Scott, Dan | |
| 2 | Secret at Hermit's Peak, The | Scott, Dan | |
| 3 | Range Rodeo Mystery, The | Scott, Dan | |
| 4 | Mystery of Rawhide Gap, The | Scott, Dan | |
| 5 | Mystery at Blizzard Mesa, The | Scott, Dan | |
| 6 | Secret of Fort Pioneer, The | Scott, Dan | |
| 7 | Mystery of the Comanche Caves, The | Scott, Dan | |
| 8 | Phantom of Wolf Creek, The | Scott, Dan | |
| 9 | Mystery of Bandit Gulch, The | Scott, Dan |