How do trains work? What types of trains are there? Where do they take you? The Do You Know?TM series provides in-depth looks at a wide range of popular subjects. Appealing to children who want to know everything, each thought-provoking book features - 96 pages of engaging and educational answers to many popular questions - Hundreds of labeled full-color illustrations - An index to key terms Fans of this book will also enjoy other in the same series, including Trains, Dinosaurs, Oceans, Space, Vehicles, Earth, and Animals. - Great family and classroom read-aloud book - Educational books for kids 5 to 8 - Nonfiction books for kids An indispensable resource for any child's library!.