Updating and expanding Russell Barkley's Handbook, this new second edition incorporates the latest findings on the nature, diagnosis, assessment, and treatment of Attention-Deficit/Hyperactivity Disorder (ADHD). As in the previous edition, Dr. Barkley includes contributions from other leading scientist-practitioners, who report on their respective areas of expertise. Readers will find current, practical information on nearly every aspect of the disorder. In-depth assessment and treatment guidelines are supported by updated documentation on outcomes, and three new chapters focus specifically on adults. - Jacket.