Ken Jennings' Junior Genius Guides

With this Junior Genius Guide to Greek mythology, you’ll become an expert and wow your friends and teachers with all the best ancient stories: how Prometheus outsmarted the gods, how Achilles’s heel led to his death, and how we mere mortals always seem to get mixed up in so many misadventures. With cool trivia and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time!

Discover the fun facts about the world and become a master of geography with this interactive trivia book from Jeopardy! champ and New York Times bestselling author Ken Jennings.

Unveil the impressive mysteries of your own body with this interactive trivia book from Jeopardy! champ and New York Times bestselling author Ken Jennings. With this book about the amazing human body, you’ll become an expert and wow your friends and teachers with awesome anatomical facts: Did you know that your hair is as strong as copper wire? Or that if you could spread them out, your lungs would have the surface area of a tennis court?

Let your inner astronaut explore outer space with this interactive trivia book from Jeopardy! champ and New York Times bestselling author Ken Jennings. With this book about space 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 cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time!

Become a presidential pro with this interactive trivia book from Jeopardy! champ and New York Times bestselling author Ken Jennings.

With this book about ancient Egypt, you’ll become an expert and wow your friends and teachers with awesome ancient facts: Did you know that some Egyptians used to shave their eyebrows whenever a cat died? Or that some people worshiped a god of lettuce? With cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time.

With this book about dinosaurs, you’ll become an expert and wow your friends and teachers with some awesome facts: Did you know that dinosaurs skin was more like bump bird skin than modern snake or crocodile scales? Or that the Tyrannosaurus Rex might have croaked like a frog instead of roaring? With cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time.