probably like medical journals might be a good source? are you near a decent med-school?

There are several cases of autistic children with exceptional artistic ability documented by Oliver Sacks that I found pretty interesting.

"The Autist Artist" in The Man Who Mistook His Wife for a Hat
and "Prodigies" in An Anthropologist on Mars

One of the problems on understanding the behavior and perception of autistic children is that the syndrome is used to diagnose a wide range of varying symptoms. There are actually many different forms of the syndrome.

check out temple grandin's thinking in pictures.

The Curious Incident of the Dog in The Nighttime

It's a recent novel told in the voice of an autistic teen. Color is very significant to him, for example, he counts cars of various colros on his bus ride to school, four red cars in a row means an awful day is in store, etc.

Fabulous read, I highly reccommend it, but too tired to look it up at powells.com for you right now....

jes-

i would actually try to look up a school that specializes or has a specific program intended for children with autism. ask around and find an educator you can speak to candidly and just ask questions.

check medical articles on google's academic search feature...