内容简介：
What makes racing cars, superbikes, monster earth movers, and tractors move faster, haul larger loads, and work better? Readers will find the answers in Cool Wheels, a series that celebrates extraordinary vehicles. Detailed cutaway drawings will captivate readers interested in the technical aspects of all things motorized, while clearly written text explains the intricacies of vehicle design in simple language. Each volume is filled with exciting full-color images and packed with information, including focus boxes that highlight the special features and specifications of each vehicle.