A book for the interested scientist on the physics of golf, with emphasis on the physics of the golf swing, based on the author"s research over the past quarter century. The book applies the principles of dynamics and energy to an analysis of the golf swing, the golf club and the golf ball and contains throughout discussions of how knowledge of these principles can be used to improve one"s game, choose the right clubs and even better understand the handicap system. The introductory chapter contains a history of the development of golf club and ball. The book contains a technical appendix for the reader who would like to pursue the physics in more technical detail.