I had read about this film over the years, criticism and such. I finally watched it in 2024 and while it was something of a let down based on the reviews I had read, it was enjoyable to an extent. You're basically watching a man break dow from somewhat lucid thought to totally irrational paranoia.
The performances of Wayne Robson, Sissy Spacek, Holmes Osborne, and Nick Nolte are well worth watching. After watching the film, I think I would like to read the book.