Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Excellent Autism Book

Being part of a nationwide pediatric therapy and autism services company, Achieve Beyond, Autism Spectrum Disorders is a book that is an invaluable resource for parents of children with autism. We are always searching for new books / resources to suggest to parents to help them gain clear understandings of autism disorders and how they can help their children who may have autism or disorders in the autistic spectrum. This book clearly describes many ASDs that are not described in many other autism books on the market and the amount of different print & online resources described are excellent. This book will give parents many different options that they feel will best suite their child's individual needs. It is a must read for parents of children with autism, health care professionals and teachers who work with children with autism.