Death of a Godmother(1955)
(Book 60 in the Dr. Priestley series)
A novel by John Rhode
A Dr. Priestley Mystery...From dust jacket: In this novel packed with excitement and surprise, the reader tensely watches Waghorn and the local constable as, bit by bit, they uncover the evidence which solves the double puzzle. And it is Dr. Priestley' sage advice which brings the story to its startling end.
Used availability for John Rhode's Death of a Godmother