- E-bookI am the Great HorseKatherine Roberts
- E-bookSpellfallKatherine Roberts
- E-bookYoga for GolfersKatherine Roberts
- E-bookSong QuestKatherine Roberts
- E-bookPrince of MacedoniaKatherine Roberts
- E-bookThe Babylon GameKatherine Roberts
- E-bookSpell SpringKatherine Roberts
- E-bookSeven Fabulous Wonders OmnibusKatherine Roberts
- E-bookThe Great Pyramid RobberyKatherine Roberts
- E-bookA Gift from the MerleeKatherine Roberts
- E-bookThe Cleopatra CurseKatherine Roberts
- E-bookThe Olympic ConspiracyKatherine Roberts
- E-bookThe Colossus CrisisKatherine Roberts
- E-bookThe Amazon Temple QuestKatherine Roberts
- E-bookDark QuetzalKatherine Roberts
- E-bookThe Mausoleum MurderKatherine Roberts
- E-bookSéries: Echorium SequenceKatherine Roberts
- E-bookThe Horse Who Would Be EmperorKatherine Roberts
- E-bookSéries: Seven Fabulous WondersKatherine Roberts
- E-bookSéries: EarthavenKatherine Roberts
- E-bookCrystal MaskKatherine Roberts