- Spy catchers! (The mystery kids)Fiona Kelly
- The Forbidden IslandFiona Kelly
- Secret cluesFiona Kelly
- Hide and seekFiona Kelly
- Buried secretsFiona Kelly
- Missing!Fiona Kelly
- Mischief at midnightFiona Kelly
- Fatal fallFiona Kelly
- Double dangerFiona Kelly
- Kidnap!Fiona Kelly
- The secret roomFiona Kelly
- The empty houseFiona Kelly
- Dangerous tricksFiona Kelly
- The lipstick chroniclesLynn Emery, Kathryn Shay et al.
- Secret clues ; Double dangerFiona Kelly
- Box of tricksFiona Kelly
- DeceptionsFiona Kelly
- Spy-catchers!Fiona Kelly
- Wrong numberFiona Kelly
- Treasure huntFiona Kelly
- Hostage!Fiona Kelly
- Crash landing!Fiona Kelly
