Sister Fidelma returns in the thirty-first Celtic mystery by Peter Tremayne. Ireland. AD 672. The body of a dead man has been found on a lonely mountain road and taken to the isolated abbey of Gleann Da Loch for a proper burial. The abbot quickly identifies him as Brehon Brocc, who had been travelling to the abbey on a secret mission with Princess Gelgeis and her steward. When news reaches Colgu, King of Muman, that his betrothed,...