This book gives an excellent overview of male hypogonadism, an underdiagnosed condition which may present to a range of medical specialties. Non-specific symptoms and difficulty in interpretation of the biochemical markers make this book a 'must-have' for any specialist, as well as primary care doctors, who would like to make an initial diagnosis. It provides a comprehensive approach to this complex area, being structured in a very systematic format. Diabetologists, endocrinologists, cardiologists, geriatricians, urologists and psychiatrists will find practical guidance in this book, which is easily read and informative.