This encyclopedia for ages nine and up is designed to explain the rules and the equipment used for approximately 100 sports. It groups the sports into 14 sections such as "Track and Field," "Ball Sports," and "Motor Sports." The emphasis is upon the visual. Sections are color coded, and each begins with a page listing the sports included in the grouping. A graphic shows an athlete poised for action. The size of the chapters varies according to the number of events that qualify for inclusion