This exciting new resource offers a comprehensive guide to ADHD, the most frequently diagnosed neurodevelopmental disorder and one of the most researched areas in child mental health. It brings together high-level research with the latest scholarship and applies them to practice, providing a unique and innovative perspective. Inside readers will find a critical presentation of current scientific knowledge regarding the nature, etiology, diagnosis, and management of the disorder. The book covers ADHD from infancy to adulthood and presents the whole range of possible comorbidities. The authors explore the topic from the perspective of researchers, academics, and clinicians while also offering a structured assessment procedure, a complete early intervention and treatment program, as well as illuminative case studies and practical tools for educators.