I'll give it a C.

I read the book two years ago. It only took 15 to 20 minutes to read. That experience felt about right. Over the last few months, I was wondering how they were going to get a full length feature out of a book that short. It appears that the answer is lots of slow motion.

Some of the parts are beautiful, but it's not sticking in my mind at all.

Also, I think it has a few too many teeth on display.