I know of someone on the low end of the spectrum. He is tactile defensive.

http://www.sensory-processing-disorder.com/tactile-defensiveness.html

There is a book for young children educating them about other children who have autism. It only covers the basics.

http://autism.sesamestreet.org/storybook-we-are-amazing/

I have not heard of a person with autism being drawn to water. Disclaimer, I'm far from being an expert on the subject.

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday