Connington, J. J.: The Boathouse Riddle (1931); v1; 30 Aug 2020
 

It is always a mistake for a fictional detective to decide to take a holiday. No matter where they elect to spend their vacation you can be sure that a murder will soon follow, even if it happens to be a sleepy village that has not seen a case a murder for half a century.

Sir Clinton Driffield visits his friend Wendover, and is soon knee deep in investigation, with a dead gamekeeper, and a body in the lake...