How is a car designed? What keeps a helicopter in the sky? How fast is a bullet train? Which is the biggest ship? How is a submarine kept watertight? If you want to find answers to this questions you must open this book. Have you ever wondered:How is a car designed? What keeps a helicopter in the sky? How fast is a bullet train? Which is the biggest ship? How is a submarine kept watertight? You can find the answer to these and many other fun and fascination questions in this book.Packed full of colorful illustrations and amazing factsit is guaranteed to entertain and inform.
