The world of speed machines is terrifying and fascinating at the same time. This book is about the vehicles that make it possible to travel fast - from the speediest pedal-powered bicycles to twin-hulled hydroplanes, from rocket-powered cars to hypersonic aircraft.The world of speed machines is terrifying and fascinating at the same time. This book is about the vehicles that make it possible to travel fast - from the speediest pedal-powered bicycles to twin-hulled hydroplanes, from rocket-powered cars to hypersonic aircraft.