Destination Danger — William Colt MacDonald

Quist sets off for Quivira City to clear up the murder of one Whitney Clayton, a man who had no mourners at his funeral. No lack of suspects, though, as both Clayton's widow and her brother - children of the powerful cattle baron Grizzly Baldridge - readily confess. Add the reappearance of a hoard of lost gold, plus the presence of killer Cobra Macaw, and Quist realises he's in for a pile of trouble...