Remember how I was talking about modern classics vs what teens actually read? This seems to be another REALLY GOOD example of such a thing.
I mean, don't get me wrong: I really liked Are You There God, It's Me, Margaret. When i was 13. It may even still be a good book. But the fact is a) it has a limited audience (how many boys out there have read it?), b) it's significantly dated, and c) well, it's boring. There's a difference between a good story for a book (comfortable, identifiable, etc.) and a good story in a movie. Are You There God will not make a good movie. The *idea* behind it might. But not the book. And this (for me at least) holds true with the many of the rest of them as well.
(To be fair, it holds true for many books just in general. I just feel that the adaptation to a script plus the updating of the story would end up with a movie just loosely based on the book.