This book offers a comprehensive account of the range of mental health problems presenting in teenagers. It also discusses approaches to their management, and guidance to services. Embracing both biological and psychodynamic aspects of developmental disorders and mental illnesses seen in adolescents, the book covers issues such as affective and emotional disorders; conduct disorder and delinquency; substance misuse; family therapy and ethical and legal issues. Grounded in extensive clinical experience and drawing on the recent literature to reflect the current evidence base, the book provides a practical and integrated guide to this formative stage of development for psychiatrists, clinical psychologists, paediatricians, and all members of the multidisciplinary adolescent mental health team.