Where is the Bermuda Triangle?

Who Was King Tut?

What Do We Know About Bigfoot?

Thor Speaks!: A Guide to the Realms by the Norse God of Thunder

What Is the Story of Cinderella?

Hades Speaks!: A Guide to the Underworld by the Greek God of the Dead

Ancient Egypt

What Do We Know About Crop Circles?

What Do We Know About the Chupacabra?

Tools and Treasures of the Ancient Maya

Dr. Seuss's Horse Museum

Can Lightning Strike the Same Place Twice?: And Other Questions about Earth, Weather, and the Environment

Tools and Treasures of Ancient China

Can an Old Dog Learn New Tricks?: And Other Questions about Animals

What Do We Know About the Yeti?

Guidebook to the Unexplained

What Do We Know About Atlantis?

What Was Pompeii?