This handbook is written for physicians caring for children and adolescents as well as for parents and educators. The goal is to demonstrate to readers how easy it is to recognize and successfully manage common learning disabilities and the two prominent behavioral causes of social and school failure. It emphasizes brain functions of language, both verbal and nonverbal, necessary for successful learning and communication. This handbook is a culmination of over 40 years of experience and research in the field of learning disabilities, attention and mood/affective disorders of children and adolescents.