Some submarines are over 550 feet long and can dive 1,600 feet deep. The biggest submarine in the world can carry up to 160 crew members and stay underwater for 180 days. Stunning photographs accompany intriguing facts, allowing readers to see these remarkable boats up close, including their giant propellers and nuclear engines. Series Review: Monster Machines"Machine-Obsessed Students Will Gravitate Toward These Titles, Which Introduce Different Vehicles And Explain How They Work. Each Book Ends With Either An Outstanding Example Of The Machine Or Additional Fascinating Facts."
