- The mystery of the wrong dogElspeth Campbell Murphy
- The mystery of the carousel horseElspeth Campbell Murphy
- The mystery of the silver dolphinElspeth Campbell Murphy
- The mystery of the white elephantElspeth Campbell Murphy
- The mystery of the double troubleElspeth Campbell Murphy
- The mystery of the silly gooseElspeth Campbell Murphy
- The Mystery of the Runaway Scarecrow (Three Cousins Detective Club)Elspeth Campbell Murphy
- The mystery of the dancing angelsElspeth Campbell Murphy
- The mystery of the silent nightingaleElspeth Campbell Murphy
- The mystery of the zoo campElspeth Campbell Murphy
- The mystery of the sock monkeysElspeth Campbell Murphy
- The mystery of the dolphin detectiveElspeth Campbell Murphy
- Mystery of the Coon Cat (Three Cousins Detective Club)Elspeth Campbell Murphy
- The mystery of the traveling buttonElspeth Campbell Murphy
- The mystery of the gingerbread houseElspeth Campbell Murphy
- The mystery of the messed-up weddingElspeth Campbell Murphy
- The mystery of the painted snakeElspeth Campbell Murphy
- The mystery of the copycat clownElspeth Campbell Murphy
- The mystery of the African grayElspeth Campbell Murphy
- The Mystery of the Laughing CatElspeth Campbell Murphy
- The mystery of the backdoor bundleElspeth Campbell Murphy
- The mystery of the disappearing papersElspeth Campbell Murphy
- The mystery of the tattletale parrotElspeth Campbell Murphy
- The mystery of the Magi's treasureElspeth Campbell Murphy
