Einstein, Galileo, and Newton all wish they had these books when they were kids. At least we assume that. One thing we do know is that smart kids love these books! This set of four fun books blurs the line between entertainment and education. Keep the kids' brains active with these award-winning, literature-based books.The kids will love trying to solve these engaging math and science brainteasers. Perfect for a long car trip or quick errands.