When there's a dual diagnosis of ADD and autism, regular readers of this site already have a lot of information about ADD/ADHD, but they might not know as much about autism. A great way to quickly get a lot of information about autism is with a 68 page book called Ella Autie by Catlaina Vrana.

Ella Autie Book with Autism Information

Connie Mistler Davidson-Editor-ADD/Sandwiches/Reading
Attention Deficit Disorder
Avatar: Hope~Even when conditions are harsh, hope can bloom.

My EBook link.
Building School Success with ADD EBook Link