Medical and mental health professionals who treat children and adolescents are frequently asked to evaluate and treat an Attention-Deficit/Hyperactivity Disorder (ADHD). This book presents information that will assist professionals in this process. The reader will learn about the causes of ADHD, how to accurately diagnose ADHD, and methods to evaluate potential coexisting disorders that often accompany this condition. Professionals reading this book will gain a thorough understanding of empirically based treatments that work for ADHD. A number of case studies illustrating the assessment and treatment of ADHD are presented. Mental health professionals who are looking to increase their revenue may be interested in this book given the growing need for qualified providers who can provide assessment and treatment services for this population.