"Mystery at Lynden Sands" by J. J. Connington is a detective novel published in 1928. The third installment featuring Golden Age detective Chief Constable Sir Clinton Driffield, it draws the sleuth into a murder investigation during a seaside holiday. The case revolves around a substantial inheritance and country estate, but when two more murders occur on the beach itself, Driffield must race against the tides to solve the puzzle using sandy footprints and scattered clues before crucial evidence vanishes with the waves. (This is an automatically generated summary.)
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