In her fifth mystery, Sister Fidelma is faced with a challenging and disturbing case to investigate

As the leading churchmen and women gather at the Synod of Whitby in 664AD to debate the rival merits of the Celtic and Roman Churches, tempers fray. When the Abbess Etain is murdered suspicion rests on the Roman faction. Sister Fidelma is called on to investigate the murder with Brother Eadulf.

This carefully researched novel provides an authentic background for a host of remarkable characters and suspects. In this mystery Sister Fidelma joins forces with Brother Eadulf to try to piece together a strange jigsaw of evil and vengeance.

Sister Fidelma follows a trail that is as suspenseful as it is tortuous in the riveting third novel in Peter Tremayne's superb series

Sister Fidelma is thrown into a sinister mystery full of intrigue, danger and violence in the fourth novel of the series

As Fidelma proceeds through the valley of the shadow, she faces personal danger in the stunning sixth novel of the Sister Fidelma series

The stunning seventh novel in Peter Tremayne's atmospheric Sister Fidelma series

When Sister Fidelma sets out on a pilgrimage in the autumn of AD 666, her main task is to reflect on her commitment to religious life. On the first night aboard ship however, a pilgrim gets washed overboard and Fidelma finds herself embroiled in solving a mystery.

In the compulsive ninth novel of the series, Sister Fidelma desperately fights to save Brother Eadulf's life

The emotional and compelling thirteenth mystery in Peter Tremayne's extraordinary Sister Fidelma series