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