Mrs. Jeffries Holds the Trump (A Victorian Mystery)

Michael Provost lived a quiet life, yet the successful owner of a medical supply company was spotted floating face down off the Chelsea Vestry Wharf. His servants adored him, and he had no greedy relatives or business rivals -- who would ever want him dead? Luckily for Inspector Gerald Witherspoon of Scotland Yard, his housekeeper Mrs. Jeffries and her staff are always ready to dive into an investigation.