There are 2 books in the The Continental Op series. The newest book is The Dain Curse which came out in 1972.

Detective-story master Dashiell Hammett gives us yet another unforgettable read in Red Harvest: When the last honest citizen of Poisonville was murdered, the Continental Op stayed on to punish the guilty--even if that meant taking on an entire town. Red Harvest is more than a superb crime novel: it is…
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