Movies that respected the books they were based on

[Halifirien]

When Frank Darabont adapts Stephen King, it's definitely done with respect. The Shawshank Redemption, The Green Mile and The Mist are very mindful of the source material. I like that about him. He gets King's voice.

[skenderberg]

This is reaching back a ways, but the Robert Redford version of The Great Gatsby was painstakingly faithful.  Of course, it was also lengthy and tedious.  Things that work on paper don't always translate well to the silver screen.