| # | Book Title | Author | |
|---|---|---|---|
| 1 | Secret of the Knights | Gasperini, Jim | |
| 2 | Search for Dinosaurs | Bischoof, David | |
| 3 | Sword of the Samuri | Reaves, Michael | |
| 4 | Sail With the Privates | Gasperini, Jim | |
| 5 | Civil War Secret Agent | Perry, Steven | |
| 6 | Rings of Saturn | Cover, Arthur Byron | |
| 7 | Ice Age Explorer | Dixon, Dougal | |
| 8 | Mystery of Atlantis | Gasperini, Jim | |
| 9 | Wild West Rider | Overholser, Stephen | |
| 10 | American Revolutionary | Cover, Arthur Byron | |
| 11 | Mission to World War II | Nanus, S. | |
| 12 | Search for the Nile | Walker, Robert W. | |
| 13 | Secret of Royal Treasure | Gaskin, Carol | |
| 14 | Blade of the Guillotine | Cover, Arthur Byron | |
| 15 | Flame of the Inquisition | Kronblatt, Marc | |
| 16 | Quest for the Cities of Gold | Glatzer, Richard | |
| 17 | Scotland Yard Detective | Reit, Seymour | |
| 18 | Sword of Caesar | Stevenson, Robin H. | |
| 19 | Death Mask of Pancho Villa | Gaskin, Carol | |
| 20 | Bound for Australia | Bailey, Nancy | |
| 21 | Caravan to China | Gaskin, Carol | |
| 22 | Last of the Dinosaurs | Lerangis, Peter | |
| 23 | Quest for King Arthur | Ashby, Ruth | |
| 24 | World War I Flying Ace | Muller, Richard |