If there's one thing avid readers know, it's that Hollywood rarely gets things right when adapting their favorite books into movies. This happens so often that failure is all but expected by the public. There are many reasons why a film based on a book or series might differ significantly from its source material; some elements understandably need to be cut for time, while others are inexplicably altered, changing the story, themes, characters, or everything else in between.
Sure, there are some excellent examples of the opposite happening, but it's unfortunately rare. Movies like "The Lord of the Rings," "To Kill a Mockingbird," and "The Godfather" are some of the best films ever made, and they were all adapted from equally impressive novels. On the other side are the adaptations that ar