Become a junior genius with the first three fact-filled books in from the Jeopardy! champ and New York Times bestselling author, Ken Jennings. Become an expert on maps and geography, Greek mythology, and U.S. presidents with the first three books in Ken Jenningspopular childrens series! Wow your friends and teachers with all sorts of clever facts: Did you know that the biggest desert in the world is actually covered in snow? Well, how about the story of Prometheus and how he outsmarted the gods? Or that Thomas Jefferson introduced the first French fries at a fancy state dinner? With great illustrations, cool trivia, and fun quizzes to test your knowledge, these guides will have you on your way to whiz-kid status in no time! This fact-tastic boxed set includes Maps and Geography, Greek Mythology, and U.S. Presidents.