Provides facts on the classic myths of the Greeks and Romans, from how Prometheus outsmarted the gods to how Achilles's heel led to his death.

"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 of our moon at its core? With great illustrations, cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid...

"Travel back in time to the age of the pyramids with this interactive trivia book from "Jeopardy!" winner and "New York Times bestselling author" Ken Jennings. With great illustrations, cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time."--Provided by publisher.

"With this book about dinosaurs, you'll become an expert and wow your friends and teachers with awesome prehistoric facts: Did you know that dinosaurs had large holes in their skulls to make their heads lighter? Or that the Tyrannosaurus Rex used its badbreath as a weapon? With great illustrations, cool trivia, and fun quizzes to test your knowledge, this junior genius guide will have you on your way to whiz-kid status in no time!"--