- The clue of the screeching owl
- The short-wave mystery, by Franklin W. Dixon
- The mystery of Cabin Island, by Franklin W. Dixon
- The Shore Road mystery, by Franklin W. Dixon
- The clue in the embers,, by Franklin W. Dixon
- Into thin air, Franklin W. Dixon
- The Bombay boomerang,, by Franklin W. Dixon
- Mystery of the flying express,, by Franklin W. Dixon
- Dixon, Franklin W, Hardy Boys adventures, #4
- The masked monkey,, by Franklin W. Dixon
- The mystery of the spiral bridge,, by Franklin W. Dixon
- The secret warning, by Franklin W. Dixon
- The secret agent on flight 101,, by Franklin W. Dixon
- Footprints under the window, by Franklin W. Dixon
- The haunted fort
- The twisted claw,, by Franklin W. Dixon
- The great airport mystery, by Franklin W. Dixon
- The house on the cliff
- The mystery of the Aztec warrior
- The disappearing floor,, by Franklin W. Dixon
- The secret of the caves,, by Franklin W. Dixon
- The clue of the hissing serpent,, by Franklin W. Dixon
- The mark on the door,, by Franklin W. Dixon
- Mystery of the phantom heist, Franklin W. Dixon
- The sinister signpost,, by Franklin W. Dixon
- The missing chums, by Franklin W. Dixon
- The wailing siren mystery,, by Franklin W. Dixon
- A figure in hiding,, by Franklin W. Dixon
- The secret of Pirates' Hill,, by Franklin W. Dixon
- The sign of the crooked arrow,, by Franklin W. Dixon
- Mystery of the desert giant, by Franklin W. Dixon
- The flickering torch mystery,, by Franklin W. Dixon
- The Viking symbol mystery
- While the clock ticked, by Franklin W. Dixon
- The phantom freighter,, by Franklin W. Dixon
- The secret of Skull Mountain,, by Franklin W. Dixon
- The ghost at Skeleton Rock, by Franklin W. Dixon
- The mystery of the Chinese junk
- The hidden harbor mystery, by Franklin W. Dixon
- The mysterious caravan, by Franklin W. Dixon
- The arctic patrol mystery,, by Franklin W. Dixon
- Mystery at Devil's Paw,, by Franklin W. Dixon
- The vanishing game, Franklin W. Dixon
- Mystery of the whale tattoo,, by Franklin W. Dixon
- The secret of the lost tunnel,, by Franklin W. Dixon
- The secret panel,, by Franklin W. Dixon
- The hooded hawk mystery,, by Franklin W. Dixon
- What happened at midnight,, by Franklin W. Dixon
- Hunting for hidden gold, by Franklin W. Dixon
- The tower treasure