The enigmatic depths of Earth's oceans have long eluded humanity, but as our technology increases, so does our ability to explore these mysterious waters. This information-rich book introduces readers to the brilliant engineering behind submarines, the anatomy of these incredible machines, and their amazing uses. From salvage missions to underwater tourism, readers will be transfixed by the capabilities of these modern marvels. Detailed photographs and accessible language guarantee that even reluctant readers will love this high-interest topic. This engaging book introduces engineering concepts, encourages curiosity, and inspires readers to learn more about the ocean habitats we've only begun to explore. Any library will have a home for this immersive guide to all things submarine.