This book contains chapters updating key clinical information related to a variety of settings - including three new chapters on the treatment of children and adolescents - this concise volume begins with normal child and adolescent development and various psychiatric assessment tools, continues by covering a broad spectrum of disorders that affect infants, children, adolescents, adults, and seniors, and concludes with various treatment methods. A condensed and efficient companion to the fourth edition of The American Psychiatric Publishing Textbook of Clinical Psychiatry, this book provides essential updates to the clinical material in a size amenable to reading and referencing.