William Stillman William Stillman is a nationally-know autism spectrum author and speaker with Asperger's Syndrome. His books include Demystifying the Autistic Experience, The Everything Parent's Guide to Children with Asperger's Syndrome, When Your Child has Asperger's Syndrome, The Everything Parent's Guide to Children with Bipolar Disorders, The Soul of Autism, Empowered Autism Parenting, and Autism and the God Connection.