THE MIGHTY MECHANICS' GUIDE TO SPEED We are the mighty mechanics and we look after all kinds of speedy machines. Join us in this four-book series as we take you on an exhilarating tour of the fastest transport on wheels, tracks, water and in the air. THE MIGHTY MECHANICS' GUIDE TO SPEED ON FOUR WHEELS Join the mechanics on a tour of some of the world's speediest machines on four wheels. Test the speed of shockwave trucks, F1 cars, and many more! Discover... * The truck that can overtake a jet plane * A car that can break the sound barrier * The vehicles that need parachutes to stop ...and much, much more!