Valley of the Shadow (Sister Fidelma Mysteries Book 6) : A fascinating Celtic mystery of deadly deceit

Peter Tremayne is the pen name of author Peter Berresford Ellis, best known for his Sister Fidelma series of historical mystery novels set in medieval Ireland. His meticulous research and vivid storytelling bring the ancient world to life, earning him critical acclaim and a devoted fan base. Tremayne's work showcases his passion for Celtic history and culture, making him a prominent figure in historical fiction literature.