Some useful resources on this text ...
http://books.guardian.co.uk/review/story/0,12084,962085,00.html (book review from The Guardian)
http://en.wikipedia.org/wiki/The_Curious_Incident_of_the_Dog_in_the_Night-time
http://www.randomhouse.co.uk/curious/ (this is the site for the publishing company that published the book)
http://www.markhaddon.com/Home.htm (Mark Haddon's homepage)
http://www.nas.org.uk/nas/jsp/polopoly.jsp?a=5104&d=439 (some interesting comments from a parent of a child who has autism)