The man from the river

The Man from the River is a 1928 detective novel by the British authors G. D. H. Cole and Margaret Cole. It was the fourth in a series of novels written by the couple during the Golden Age of Detective Fiction featuring Superintendent Wilson of Scotland Yard. It was published by the Collins in London and Macmillan in the United States. (This summary is from Wikipedia.)

The man from the river, by G. D. H. Cole. Republished by OpenStories from Project Gutenberg eBook #78883.