This book, Educating Children with Autism, by the Committee on Educational Interventions for Children with Autism of the National Research Council, is free to read online. You also have the option of purchasing a hard copy of the book.
This link is to the table of contents (click each topic to read that section of the book): http://www.nap.edu/catalog.php?record_id=10017#toc
General info about the book is here: http://www.nap.edu/catalog.php?record_id=10017
How People Learn: Brain, Mind, Experience, and School