Williams Textbook of Endocrinology (15th Edition) is a comprehensive reference in the field of endocrinology that focuses on hormone-related diseases and the function of endocrine glands. It covers disorders such as diabetes, thyroid disease, adrenal conditions, and reproductive endocrine disorders. The book integrates basic science with clinical practice, offering detailed explanations of pathophysiology, diagnosis, and treatment. It is widely used by endocrinologists, internists, and medical trainees for its authoritative and evidence-based approach