A guide for parents of children with autism spectrum disorders (ASDs) that clarifies the complex process of diagnosing these disorders. Explains the different types of autism under the ASD umbrella and how professionals make distinctions between them. Parents learn about the professionals involved in the diagnosis, the testing tools, how they can participate in the evaluation process, and how to assess their own concerns about their child's behavior. A book that can help famailies unlock the mysteries and nuances behind the ever-evolving process of diagnosing ASDs.