Chez (Sutter Neuroscience Institute and Sutter Memorial Hospital, Sacramento, California; neurology, U. of California-Davis) has 16 years of experience practicing pediatric neurology with a special interest in clinical aspects of autism spectrum disorders (ASD). He presents a practical text to help parents, interested lay people, therapists of various types, and physicians understand the vast options available for current treatment of medical problems associated with ASD. Coverage includes an overview of autism; definitions, diagnosis, and other clinical aspects; theories on why there has been an increase in ASD and the possible causes; treating ASD; and neurologically managing clinical aspects with medication. The text contains an extensive bibliography, a glossary of terms, and a list of resources, including books, important clinical evaluation guidelines, and internet and public resources and organizations in the U.S., Canada, UK, and Australia.