A practical guide to understanding and treating children and adolescents prone to extreme levels of angry outbursts, Disruptive Mood: Irritability in Children and Adolescents is based on the very latest research and theory. Providing both a clinical and scientific perspective on irritability in children, this book is a timely look at recent developments in the field. Abnormal states of anger are a common reason for referral to child health services, and cause concern in clinics, schools, and families. Misdiagnosis and treatment can stem from a lack of understanding of the mechanisms involved in high levels of anger in children, and Disruptive Mood: Irritability in Children and Adolescents provides clear guidance on the development of abnormal states of anger, their consequences for later development, and how to assess and make differential diagnoses between them. A useful resource for clinical practice, this book is concise and accessible, and offers tools for evaluating treatments. Disruptive Mood: Irritability in Children and Adolescents is designed for practitioners involved in child and adolescent mental health and education and researchers who need an introduction to this complex field.