- E-bookMarcia's MadnessLauren Baratz-Logsted
- E-bookThe Case of the Haunted History MuseumSteve Brezenoff
- E-bookThe Case of the Portrait VandalSteve Brezenoff
- E-bookThe Bremen Town MusiciansLisa K. Weber
- E-bookThe Case of the Empty CratesSteve Brezenoff
- E-bookThe Case of the Counterfeit PaintingSteve Brezenoff
- E-bookThe Case of the Stolen Space SuitSteve Brezenoff
- E-bookPecos Bill Tames a Colossal CycloneEric Braun
- E-bookPecos Bill, Colossal CowboyLisa K. Weber
- E-bookThe Case of the Soldier's GhostSteve Brezenoff
- E-bookOut the Rear WindowMichael Dahl
- E-bookThe Assistant Vanishes!Lisa K. Weber
- E-bookTo Catch a GhostMichael Dahl
- E-bookThe Prisoners of the Thirteenth FloorLisa K. Weber
- E-bookThe Case of the New ProfessorSteve Brezenoff
- E-bookThe Wizard and the WormholeLisa K. Weber
- E-bookThe Trouble with AbracadabraLisa K. Weber
- E-bookSéries: The Sisters EightLauren Baratz-Logsted
- E-bookThe Case of the Missing MomSteve Brezenoff
- E-bookThe Case of the Missing Museum ArchivesSteve Brezenoff
- E-bookThe Thirteenth MysteryMichael Dahl
- E-bookHocus Pocus HotelMichael Dahl
- E-bookThe Case of the Stolen SculptureSteve Brezenoff
- E-bookThe Return of AbracadabraMichael Dahl