Look me in the Eye by John Elder Robison, Augusten Burroughs
Beyond the Wall:Personal Experiences with Autism and Aspergers Syndrome by Stephen M. Shore, Arnold Miller
Pretending to be normal:Living with Aspergers Syndrome by Liane Holliday Willey
The way I see it: A personal look at Autism and Asperger's by Temple Grandin
The Language of Others by Clare Morrall
There is a wide selection of reference books on the Autistic Spectrum but I have found AUTISM , A Holistic Approach by Bob Woodward and Dr Marga Hogenboom published by Floris books to be the most wideranging and comprehensive overview.