From hot air balloons to supersonic jet, drones and jetpacks, explore the world of flying machines!Get to grips with the mind-boggling advances that have been made in engineering and building aircraft. Bright and bold artwork, alongside clear explanations and diagrams, guide you through a variety of landmark or forward-thinking machines.From cranes, submarines, tanks, and stealth jets, find out how machines have been built to lift heavy weights, be submerged in deep oceans, roll forward over rough terrain and zip quietly past in the sky overhead. The books in the Engineering Power series explain how the most amazing machines in our world operate, pulling out key engineering detail to inform and inspire the next generation of engineers.Perfect for readers aged 9 and up.