Sure is- and nobody does Chinatown better than Hammett's Continental Op. Not a bad writer for an old commie.
Kiss Me Deadly for noir films, though.
I mentioned Big Sleep as my favorite early noir; middle-period would be Touch of Evil; late would be Chinatown.
If you can find it give the little-seen movie Hammett a try. Frederick Forrest does a great impersonation of a fictionalized Hammett, and the score by John Barry is spare and beautiful.
Was that the one with Dick Powell?
Ahh, nevermind.... I was thinking of 'Murder, My Sweet'
Now THERE's a "film noir". Great, great movie.