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- EbookSpellfallKatherine Roberts
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- EbookPrince of MacedoniaKatherine Roberts
- EbookThe Babylon GameKatherine Roberts
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- EbookThe Cleopatra CurseKatherine Roberts
- EbookThe Olympic ConspiracyKatherine Roberts
- EbookThe Colossus CrisisKatherine Roberts
- EbookDark QuetzalKatherine Roberts
- EbookThe Mausoleum MurderKatherine Roberts
- EbookSeries: Echorium SequenceKatherine Roberts
- EbookThe Horse Who Would Be EmperorKatherine Roberts
- EbookCrystal MaskKatherine Roberts
- EbookSeries: Seven Fabulous WondersKatherine Roberts
- EbookSeries: EarthavenKatherine Roberts