I've never read any of the books. Really liked the 1st 4 movies. This one was bad. Very hard to follow. Also hard to understand what people were saying. Not enough interaction between the three main characters, mainly about Harry. I wouldn't recommend anyone going to the movie theater for 2 1/2 hrs for this one; dvd will be good enough. Husband slept thru a good portion and I almost nodded off myself.