Ripley’s Believe It or Not! Mighty Machines is part of the Ripley’s Twist series of non-fiction reference books. This book contains clear core factual information about planes, trains, cars, bikes, and boats as well as amazing Ripley’s Believe It or Not! pictures and stories. Designed for ages 7-10, the stunning photos and detailed artwork will captivate curious young minds. Readers will learn about amazing machines and science behind them. Included with the book are Ripley fact cards and a poster. Be sure to check out the other great titles in this series!