What movie based on a book have you found to be most accurate to the text?

Admittedly, most of my movie-based-on-book knowledge is Stephen King. And really, Stephen King’s books are not easily translated to movies. But I’m always dumbfounded by some of the discrepancies that are totally needless. (For instance, in the case of The Shining: The movie was room 237, the book 217. Wendy Torrance was blonde in the book, black hair in the movie. Hallorrann was bald in the movie, and had an afro in the book. Things like that)

There are some that come close, but in my experience, movies widely needlessly disregard the simplest of things from the book they are based on, which then ruins the movie (or in some cases, if I see the movie first, takes away from the book)

I’m currently reading The Exorcist by William Peter Blatty and holy cow. So many things in the movie are taken verbatim from the book. Entire chunks of dialogue. Even the description of Father Merrin standing in the beam of light looking up at Regan’s window… the famous picture from the movie… it’s described exactly that way in the book. I’m shocked. It almost feels like the book was possibly written based on the movie.

What is the most accurate movie based on a book that you’ve seen?