- Buku AudioThe Camping TripSteve Altier
- Buku AudioThe Ghost HunterSteve Altier
- Buku AudioBlast Off with Gabby and MaddoxSteve Altier
- Buku AudioSeri: Gabby and Maddox Adventure SeriesSteve Altier
- Buku AudioOver the Falls with Gabby and MaddoxSteve Altier
- Buku AudioJimmy's CurseSteve Altier
- Buku AudioSeri: Lizardville Ghost StoriesSteve Altier