Child and adolescent psychiatry is an independent field with complex and diverse themes. This textbook, now in its 5th edition, serves as a guide for readers to navigate the confusing variety of perspectives, ideologies, and trends in child and adolescent psychiatry while acquiring reliable expert knowledge. The book thoroughly presents diagnostic tools, including established psychometric methods, as well as therapeutic approaches, and systematically describes individual disorders in accordance with ICD-10. It includes checklists for specific diagnostics, diagnostic guidelines, typical case examples, guidelines for parental counseling, and notes on potential sources of error in diagnostics and therapy.