"The Diagnosis and Treatment of Male Infertility" is a practice-oriented textbook that addresses the diagnosis and treatment of male infertility from the perspective of professionals. It offers a structured approach to specific issues related to male fertility by presenting clinical scenarios that outline the entire diagnostic and therapeutic process. Each chapter covers a unique clinical case that highlights relevant aspects of male infertility, including diagnoses and semen analysis. The authors, Ashok Agarwal and Nabil Aziz, emphasize practical applicability and provide valuable clinical insights to help professionals choose the best treatment options and understand prognoses. The topics covered range from anabolic steroid use to erectile dysfunction, genetic syndromes, and other relevant conditions. This book is an essential resource for andrologists, reproductive endocrinologists, urologists, and anyone involved in the treatment of infertile men.