Autumn, AD 672 . While out walking, Abbot Brocc was shocked to encounter the sinister apparition of a young woman, cloaked entirely in grey, who foretold his impending death. Dismissing the soothsayer’s words, Brocc nevertheless felt concerned enough to ask for Sister Fidelma’s advice on the matter. But by the time Fidelma and her companions arrive at the remote abbey of Dair Inis, Brocc has been found dead in the abbey’s sweat house – as the mysterious prophetess had predicted. Plunged into a world of uncertainty, where believers of the Old and New Faiths are violently opposed, Fidelma, Eadulf and Dego embark on a journey fraught with danger, in a puzzling and perilous quest for the truth behind Brocc’s murder . . . Sister Fidelma returns in Prophet of Blood , the thirty-fifth Celtic mystery by Peter Tremayne, acclaimed author of Death of a Heretic , The House of Death , and The Shapeshifter's Lair . If you love Ellis Peters, you'll be gripped by Prophet of Blood and the whole Sister Fidelma series. [Tremayne is] a master at bringing early Celtic and Irish history, his characters, and his stories to life ― Booklist A plethora of potential suspects, dark secrets from the past, and deadly revenge all play a role in this multilayered, complex, atmospheric, locked-room mystery ― Booklist on Revenge of the Stormbringer Fascinating legends and mores of ancient Eire meld seamlessly with a complex mystery ― Kirkus Reviews on Revenge of the Stormbringer An impressive achievement ― Publishers Weekly Starred Review of Death of A Heretic A mystery embedded in a revealing look at the violently differing theological views of early Christians ― Kirkus Reviews on Death of A Heretic Tremayne plays fair with the readers while evoking the period in vivid detail. This long-running series remains as fresh and inventive as ever ― Publishers Weekly on The House of Death A complex, lovingly written mystery notable for its historical detail and strong heroine ― Kirkus Reviews on The House of Death Tremayne expertly incorporates historical and legal details of the time into the suspenseful plot. This impressive volume bodes well for future series entries ― Publishers Weekly Starred Review of The Shapeshifter's Lair Fans of ancient history, myths, and swashbuckling adventures are likely to enjoy this tale set in seventh-century Ireland . . . this is a challenging and unusual but deeply satisfying and enjoyable historical thriller ― Booklist on The Shapeshifter's Lair One of the best cases for the complex, enchanting Fidelma ― Kirkus Reviews on The Shapeshifter's Lair Peter Tremayne is the pseudonym of a well-known authority on the ancient Celts who has utilised his knowledge of the Brehon law system and seventh-century Irish society to create a new concept in detective fiction. He is the author of thirty previous mysteries featuring Sister Fidelma.