- AudiolivroThe Camping TripSteve Altier
- AudiolivroThe Ghost HunterSteve Altier
- AudiolivroBlast Off with Gabby and MaddoxSteve Altier
- AudiolivroSéries: Gabby and Maddox Adventure SeriesSteve Altier
- AudiolivroOver the Falls with Gabby and MaddoxSteve Altier
- AudiolivroJimmy's CurseSteve Altier
- AudiolivroSéries: Lizardville Ghost StoriesSteve Altier