Questions and answers about specific sports and physical activities plus general information relating to a variety of health problems and exercise. Key questions on each subject are asked and answered in clear, concise language. Injuries such as shin splints, stress fractures and tennis elbow as well as less familiar complaints of athletes are explained; remedies and ways of avoiding such accidents are prescribed. The questions cover not only the sports themselves but clothes and equipment and how to choose them for the best performance and for safety. For Mirkin, a sports physician, caution and commonsense are always the rule, no matter what the sport or exercise, and he emphasizes ways to avoid injury in all areas of physical activity. There is some repetition of information, however, such as the fact that muscles require 48 hours to heal themselves after vigorous exercise. But on the whole, important for anyone who participates in sports and exercises, and interesting even for the ham. mock-bound brigade.