Masters of Disguise: Amazing Animal Tricksters

Zombie Makers: True Stories of Nature's Undead

When Lunch Fights Back: Wickedly Clever Animal Defenses

Your Muscular System

Your Digestive System

A Walk in the Tundra, 2nd Edition

Journey into the Deep: Discovering New Ocean Creatures

A Walk in the Prairie, 2nd Edition

A Walk in the Rain Forest, 2nd Edition

A Walk in the Desert, 2nd Edition

A Walk in the Boreal Forest, 2nd Edition

A Walk in the Deciduous Forest, 2nd Edition