I loved the book and movie as well. The movie is definitely less....graphic, I guess you could say. It's moreso in the book, so be aware of that. But I did love the book and I love the author!
I am actually reading that book right now. I just got it today, ahaha. But so far from what I have read, it is totally AMAZING. My mom saw the movie and said it was not all that great. =/