The third edition of this textbook continues its tradition of integrating clinical wisdom and scientific research to improve patient care and advocacy for children and families. Each of the 56 chapters presents a summary of a core topic, blending clinical experience with evidence-based practices in assessment and treatment. Divided into 10 parts, this third edition has been revised and updated throughout to keep pace with accelerating progress in research on developmental psychopathology. The 10 parts of the textbook are: (1) The Field of Child and Adolescent Psychiatry; (2) Assessment and Diagnosis; (3) Developmental Disorders; (4) Schizophrenia, Other Psychotic Disorders, and Mood Disorders; (5) Attention-Deficit and Disruptive Behavior Disorders; (6) Anxiety Disorders; (7) Eating Disorders; (8) Disorders Affecting Somatic Function; (9) Other Disorders and Special Issues; and (10) Treatment. (GCP)