|Dimensions||8 x 8|
|Features||contents, color photographs, what you should know, glossary, find out more, websites, index, about the author|
They hide quietly in the ocean. They send torpedoes and missiles to enemy targets. They explore the ocean depths to learn more about the world in which we live. They are the jewels of the United States Navy. They have helped win wars. They are submarines. How do they work? What is their history? Check out this fun book to find out more.