Science and engineering meet in this engrossing set! Amazing machines from the past and present are highlighted throughout its pages, including airships, cranes, submarines, and many more. Through understandable text and clear diagrams, readers learn how machines have been built to lift heavy weights, be submerged in deep oceans, travel over rough terrain and fly undetected above the clouds. Text also includes how each machine was developed and the inner workings of modern iterations. Full-color photographs of the most cutting-edge of these machines excite readers about the future of engineering technology.