Three short mystery novels: Kick it or Kill, The Bastard Bannerman, and The Seven Year Kill. -- Scorching fiction by the hard-hitting writer who taught the world what action is all about,
Three stories from 1963-1964, each about 60 pages, all similar... stranger comes to town, gets pushed around, then cleans up the Mob. Unless I missed something the third story ends with the hero marrying his first cousin!