The Claverton Mystery

The Claverton Mystery is a 1933 detective novel by John Rhode, the pen name of the British writer Cecil Street. It is the fifteenth in his long-running series of novels featuring Lancelot Priestley, a Golden Age armchair detective. It was published in the United States by Dodd Mead with the altered title The Claverton Affair. The tone of the book has been described as much darker than the author's other novels.

Synopsis
Priestley goes to visit his friend Sir John Claverton at his gloomy house, and shortly afterwards hears that he has died. The dead man's doctor is not convinced it was a natural death, and evidence of poisoning emerges. There are several beneficiaries of the dead man's will.