Peter Tremayne is the fiction pseudonym of a well-known authority on the ancient Celts, who has utilised his knowledge of the Brehon law system and 7th-Century Irish society to create a new concept in detective fiction.
The Sister Fidelma novels are taking on almost cult proportions and are becoming ever more popular with each offering from the author, whose obvious knowledge of the times and subjects he writes about shines out like a beacon on the shore.
It is the autumn of the year AD666 and Sister Fidelma has set out on a pilgrimage, her main task and thoughts are to reflect on her commitment to the religious life. Her work has to a degree isolated her from the life that a normal Christian Sister would live within the church.
However on the first night aboard ship a pilgrim is washed overboard, but was it an accident or a deliberate act of murder. Fidelma find herself involved in attempting to solve the mystery . . .