The Case of the Vanishing Golden Frogs: A Scientific Mystery

Strange Creatures (Unabridged)

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

Zombie Makers: True Stories of Nature's Undead

Discover Forensic Science

Know-It-Alls! Wolves

What Is a Solar Eclipse?

Know-It-Alls! Snakes

I Can't Believe It!

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

Investigating Tornadoes