- Livre audioJourney into the DeepRebecca L. Johnson
- Livre audioZombie MakersRebecca L. Johnson
- Livre audioA Walk in the Tundra, 2nd EditionRebecca L. Johnson
- Livre audioA Walk in the Boreal Forest, 2nd EditionRebecca L. Johnson
- Livre audioA Walk in the Deciduous Forest, 2nd EditionRebecca L. Johnson
- Livre audioNature's NinjaRebecca L. Johnson
- Livre audioYour Muscular SystemRebecca L. Johnson
- Livre audioWhen Lunch Fights BackRebecca L. Johnson
- Livre audioYour Digestive SystemRebecca L. Johnson
- Livre audioA Walk in the Prairie, 2nd EditionRebecca L. Johnson
- Livre audioMasters of DisguiseRebecca L. Johnson
- Livre audioA Walk in the Desert, 2nd EditionRebecca L. Johnson
- Livre audioA Walk in the Rain Forest, 2nd EditionRebecca L. Johnson