The last 10 years have seen major advances in the scientific understanding of ADHD. This book builds on them to provide a practical, comprehensive and evidence-based approach to clinical work with ADHD and hyperkinetic disorder, and to similar problems in people with complex neurodevelopmental disabilities. This is a book for professionals of all kinds who deal with hyperactive children and people with ADHD. It explains the science base of understanding it and gives practical step-by-step instructions on how to treat it - including informative leaflets for parents and teachers.