The Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association Publishing, is a comprehensive textbook on the subject of mental health disorders. With a publication year of 2022, this hardcover book contains 991 pages and is authored by the American Psychiatric Association. It is a valuable resource for professionals in the field of internal medicine and psychiatry, offering a detailed examination of various mental disorders and their diagnosis and statistical classification. This textbook is a crucial tool for those seeking to understand and treat mental health issues in a clinical setting.