- AudiobookJourney into the DeepRebecca L. Johnson
- AudiobookZombie MakersRebecca L. Johnson
- AudiobookA Walk in the Boreal Forest, 2nd EditionRebecca L. Johnson
- AudiobookA Walk in the Deciduous Forest, 2nd EditionRebecca L. Johnson
- AudiobookA Walk in the Tundra, 2nd EditionRebecca L. Johnson
- AudiobookNature's NinjaRebecca L. Johnson
- AudiobookWhen Lunch Fights BackRebecca L. Johnson
- AudiobookYour Muscular SystemRebecca L. Johnson
- AudiobookA Walk in the Prairie, 2nd EditionRebecca L. Johnson
- AudiobookYour Digestive SystemRebecca L. Johnson
- AudiobookA Walk in the Desert, 2nd EditionRebecca L. Johnson
- AudiobookMasters of DisguiseRebecca L. Johnson
- AudiobookA Walk in the Rain Forest, 2nd EditionRebecca L. Johnson