What are some of the advantages of books vs. movies?

A book gives you the whole story.
Producers tend to take an aspect of the book and base the movie on that.
When you read a book your imagination creates the scene. Not a directors idea of the scene.

books you create your own world from the words of the anther but with a movie its already created for you nothing is left for the mind to create

Books have more details, more depth

More detail.