In "A Positive Approach to Autism, " Waterhouse investigates the autistic perception on the world, and defines what autism is in terms of causes, symptoms and behaviors, including a thorough explanation of current theories on brain structure. As well as describing medical treatments, Waterhouse examines how the more distressing symptoms of autism can be dealt with through diet, homeopathy, play therapy, and other alternative treatments. This is a practical and sympathetic book, which should be read by all those whose children are diagnosed with autism.