Sorry for spamming with book ideas, but I have been hearing a lot of interesting ones lately.
This one would be quite a hard read, a book made up of letters from the mother of a boy who perpetrated a massacre in a school (fictional) to her ex husband.
http://www.amazon.com/NEED-TALK-ABOUT-KEVIN-PAPERBACK/dp/1852424672/ref=sr_1_1?ie=UTF8&s=books&qid=1264363477&sr=8-1