The Case of the Vanishing Golden Frogs: A Scientific Mystery

Strange Creatures (Unabridged)

Venom

Know-It-Alls! Lizards: Growing Minds with Music

Life Cycles

I Can't Believe It!

Know-It-Alls! Wolves

Discover Forensic Science

Know-It-Alls! Snakes

What Is a Solar Eclipse?

Zombie Makers: True Stories of Nature's Undead

Know-It-Alls! Bears: Growing Minds with Music

Kay's Anatomy: A Complete (and Completely Disgusting) Guide to the Human Body