Strangled in the Sauna (Dodie Fanshaw Mysteries, #7)

When fabulous, well-photographed jewels are stolen from bedroom safes at a health spa, the owners refuse to tell the police. They are all, for various reasons, concerned that news of the thefts does not reach certain people.
Dodie is persuaded to go to Yorkshire and investigate at the health spa, despite her aversion to massage and exercise. She agrees because the owners of the spa are cousins of Elena's boy friend. He, as a policeman, cannot intervene in another police area, but Dodie and E...