A Gentleman Called — Dorothy Salisbury Davis

In Grand Master of crime fiction Dorothy Salisbury Davis's second Mrs. Norris novel, which the New York Times hailed as "tensely perplexing" the crime-solving Scottish housekeeper helps crack the case of a serial lady-killer As housekeeper to James Jarvis's recently deceased father, a retired major general of the US Army, Mrs. Norris has raised Jimmie since boyhood. Now the Wall Street lawyer faces a challenging case. The son of one of the firm's old blue-blood clients has been slapped with a paternity suit. But Teddy Adkins swears he never slept with the woman. Meanwhile, Mrs. Norris is miffed when her gentleman friend Jasper Tully, the widowed chief investigator for the Manhattan DA's office, cancels one dinner date after another because a real estate magnate has been found strangled in the bedroom of her Upper East Side apartment. Jewelry was stolen, but there are no signs of a break-in. Tully's investigation turns up a trail of strangulations that extends all the way to the Midwest. As Mrs. Norris pursues her own unorthodox investigation, she uncovers a shocking link between the cases that threatens her very life.