Autism, Asperger Syndrome and Pervasive Developmental Disorder

Autism Spectrum Disorder, or ASD, is the umbrella term used to describe a whole family of related conditions. Within this group, there is a subgroup of conditions known as PDD (NOS) - Pervasive Developmental Disorder (not otherwise specified) - which do not quite meet the diagnostic criteria of Autism or Asperger Syndrome.

Written specifically for parents, this fully-updated second edition sets ou...