Summary
"Now you can become a junior genius with Ken Jennings' first children's series! With this book you'll become an expert and wow your friends and teachers with out-of-this-world facts: Did you know that Mars has a volcano bigger than the state of Arizona? Or that there's a star with a diamond the size... Full description
Series: Ken Jennings' junior genius guides
Greek mythology
Maps and geography
U.S. Presidents
Ancient Egypt
The human body
Outer space
Dinosaurs