This new edition retains the book's engaging and innovative systems approach, integrating the biological, psychological, and social perspectives in one concurrent story. Scientific methods are presented in a clear and non-threatening manner, and are based on the most current research. Chapter topics include personality disorders, eating disorders, substance use disorders, sexual and gender identity disorders, schizophrenic disorders, mood disorders and suicide, treatment of psychological disorders, and more.For psychologists, psychiatrists, and professionals in the mental health field.