- HörbuchTyrannosaurus rex vs. VelociraptorMichael O'Hearn
- HörbuchDilophosaurus vs. AnkylosaurusMichael O'Hearn
- HörbuchAllosaurus vs. BrachiosaurusMichael O'Hearn
- HörbuchDeinonychus vs. StyracosaurusMichael O'Hearn
- HörbuchTriceratops vs. StegosaurusMichael O'Hearn
- HörbuchAwesome Space RobotsMichael O'Hearn
- HörbuchThis or That History DebateMichael O'Hearn
- HörbuchSea Monsters vs. DragonsMichael O'Hearn
- HörbuchVampires vs. WerewolvesMichael O'Hearn
- HörbuchGhosts vs. WitchesMichael O'Hearn
- HörbuchHenry Ford and the Model TMichael O'Hearn
- HörbuchHow Spirit Dog Made the Milky WayMichael O'Hearn
- HörbuchZombies vs. MummiesMichael O'Hearn