Drawing on a wide diversity of disciplines, including sociology, psychology, policy studies, coaching, physical education and physiology, this comprehensive survey of young people¿s involvement in sport focuses on a key transitional period of our lives, from the later teenage years into the early twenties. Covering youth sport in all its forms and at all levels, from elite competition to leisure and school physical education, it also explores youth sport across the world, in developing and developed countries, and touches on some of the most significant themes in contemporary sport studies, including physical activity and health, lifelong participation, and talent development.