Great interview with the real mom
Listen to an interview with Corrine Morgan-Thomas, from 2009, after her book was published:
http://psychjourney_blogs.typepad.com/psychjourney_podcasts/2009/03/mi racle-run-watching-my-autistic-sons-grow-upand-take-their-first-steps- into-adulthood-.html
Lots of information about the making of the movie and how the family is doing.
BTW, she mentions that Aidan Quinn did the movie because his daughter has autism.
Also, a really good article about the family can be found here, if you don't have time to listen to the podcast:
http://www.vcstar.com/news/2009/sep/27/giving-to-the-giver/