| 3 | |
| 4 | |
| 3 | |
| 4 | |
| 4 | |
| 3 | |
| 3 | |
| 4 | |
| 3 | |
| 3 | |
| 3 | |
The Billion Dollar Ransom | 3 | |
| 3 | |
The Clue of the Hissing Serpent | 3 | |
| 3 | |
Tic-Tac-Terror - Franklin W. Dixon
- Leslie H. Morrill
| 3 | |
| 3 | |
Mystery of the Flying Express | 3 | |
| 3 | |
| 3 | |
| 3 | |
The Mystery of the Spiral Bridge | 3 | |
Urchin of the Riding Stars - Margaret McAllister
- M.I. McAllister
| 3 | |
| 3 | |
| 3 | |
The Mystery of Cabin Island | 3 | |
| 3 | |
Mystery of Smugglers Cove | 3 | |
| 3 | |
| 3 | |
Mystery of the Desert Giant | 3 | |
| 3 | |
What Happened at Midnight | 3 | |
| 4 | |
| 3 | |
The Clue of the Screeching Owl | 3 | |
The Wailing Siren Mystery | 3 | |
| 4 | |
| 3 | |
| 4 | |
| 3 | |
The sign of the crooked arrow | 3 | |
The flickering torch mystery | 3 | |
The Ghost at Skeleton Rock | 3 | |
| 3 | |
| 3 | |
| - | |
| 3 | |
| 3 | |
The Mystery of the Aztec Warrior | 4 | |
| 3 | |
The Yellow Feather Mystery | 3 | |
| 3 | |
The Hardy Boys Program for Destruction | 3 | |
Mystery of the Samurai Sword | 3 | |
Mystery of the Whale Tattoo - Franklin W. Dixon
- Jerrold Mundis
| 3 | |
| 3 | |
| 3 | |
| 4 | |
The Serpent's Tooth Mystery | 3 | |
| 3 | |
| 4 | |
| 4 | |
The Secret of Pirates' Hill | 3 | |
| 3 | |
| 3 | |
| 3 | |
| 4 | |
| 3 | |
| 5 | |
| 4 | |
| 4 | |
| 3 | |
| 5 | |
| 3 | |
| 4 | |
The Secret of the Old Mill | 3 | |
| 3 | |
| 4 | |
Revenge Of The Desert Phantom | 3 | |
Footprints Under the Window | 3 | |
| 3 | |
| 4 | |
The Arctic Patrol Mystery | 3 | |
| 3 | |
| 3 | |
| 4 | |
The Secret of Skull Mountain | 3 | |
| 3 | |
| 3 | |
| 4 | |
| 4 | |
| 3 | |
Undying - Amie Kaufman
- Meagan Spooner
| 3 | |
| 5 | |
| 5 | |
| 5 | |
| 5 | |
| 4 | |
Kingdom of Ash and Briars | 3 | |