Dead Men's Morris

Dead Men's Morris is a 1936 mystery detective novel by the British writer Gladys Mitchell. It is the seventh in her long-running series featuring the psychoanalyst and amateur detective Mrs Bradley. It was the first to be published by Michael Joseph who released all the subsequent fifty nine novels in the series. It was later republished with the alternative title Death Comes at Christmas.

Synopsis
Mrs Bradley goes to spend Christmas at her nephew's Oxfordshire pig farm, she investigates two apparently accidental deaths in the picturesque villages that are in fact murders. Also encountered are a legendary local ghost and a team of morris dancers.