For the (London) Independent, he named his favorite film adaptations.
One item on the list:
The Big Sleep/The Long GoodbyeRead about the other adaptations to make the grade.
Two examples of how similar source material can be given remarkably different adaptations. The Huston* movie (adapted by Faulkner, Leigh Brackett and Jules Furthman) is classic Hollywood; witty, elegant, dark, sexy. Altman's is classic New Hollywood; cynical, rambling, mumbling, sunlit. Interestingly, the great Leigh Brackett worked on both movies.
[*Marshal Zeringue notes: The Big Sleep was directed by Howard Hawks, not John Huston.]