Here are two inspiring writings about mothering special needs children.
The Special Mother by Erma Bombeck (Obviously this is an older writing, as people no longer use the term "handicapped", and since 1 in 88 children in the US has Autism, I'm pretty sure the number of special needs mothers numbers more than 100,000.) This one was given to me by a friend for Mother's Day, with "Damron, Sheila. son." added at the bottom.
Welcome to Holland by Emily Perl Kingsley
I also love the story and picture at the top of this blog.