Book excerpt: The fourth World Scientific Congress of Golf, to be held in St Andrews in July 2002, will bring together all of the world's leading golf researchers. Science and Golf IV will present 90 or so of the best research papers delivered at the Congress, and represents the latest volume in a unique and essential series of scientific studies in golf. The book is organised into four thematic sections, looking at the golfer, golf equipment, the golf course, and the social and economic impact of golf respectively, and addresses key topics such as: * the psychology of golf * biometrics of the swing * new developments in clubs, balls and teaching aids * golf agronomy, irrigation and drainage * the impact of golf on the community * representing the most up-to-date collection of research available. Science and Golf IV is essential reading for all sport scientists and researchers with an interest in golf, all club professionals, and all those working in technical aspects of the golf industry.