Police Against Crime #7

This anthology features multiple crime stories including "Subway Peril," in which Detective Lieutenant Dan Coffey investigates a 3-12 alarm killer named Benson who flees into the subway system; "The Million Dollar Ruby," a mystery where a countess's priceless ruby brooch is stolen and Lieutenant Van Dorn must determine which of three dinner guests committed the theft; a con artist story about a woman who befriends a lonely businessman to bilk him out of money in an elaborate scheme; and "Double or Nothing," a Grant Steel adventure involving industrial sabotage at a steel mill where Grant must stop a criminal plot involving molten steel.