De Wolvercote juwelen

Blurb

The Jewel That Was Ours is a crime novel by Colin Dexter, the ninth novel in Inspector Morse series.
An American tourist is found dead in her room at the Randolph Hotel, and her prized and very expensive piece of antique jewellery has been stolen. Two days later a battered and naked corpse is dragged from the River Cherwell. Morse is sure there is a connection and uncovers a complex plot of revenge.
The episode of the Inspector Morse TV series which corresponds to the novel is entitled The Wolvercote Tongue.