Mental disorders such as attention-deficit hyperactivity disorder (ADHD), depression, and autism have devastating consequences on the lives of children and adolescents. Early assessment of their mental health problems is essential for preventative measures and intervention. This timely, authoritative guide will be of interest to everyone involved in assessing the mental health problems of children and adolescents and the effect that these may have on their daily life. Assessment Scales in Child & Adolescent Psychiatry is a unique compendium which summarizes approximately 150 scales across the field of mental disorders in children and adolescents. Every scale is accompanied by information on the completion of each instrument to allow the reader to see, at a glance, the scope of the scale and its application.