In the late 7th Century, the High King of Ireland is killed at night in the middle of his compound. Who killed him is not in question - there are unimpeachable witnesses that point directly to the clan chieftain responsible. Dubh Duin is, after all, found by the High King's guards in the High King's bed chamber holding the murder weapon. But with impending civil war in the balance, the motive for the murder becomes of paramount importance.
The Chief Brehon of Ireland asks Fidelma of Cashel - sister to the King of Muman and a dailagh - to investigate. What her investigations reveal is...

In A.D. 670, an Irish merchant ship is attacked by a pirate vessel off the southern coast of the Breton peninsula. Merchad, the ship's captain, and Bressal, a prince from the Irish kingdom of Muman, are killed in cold blood after they have surrendered. Among the other passengers who manage to escape the slaughter are Fidelma of Cashel and her faithful companion, Brother Eadulf.

Once safely ashore, Fidelma--sister to the King of Muman and an advocate of the Brehon law courts--is determined to bring the killers to justice, not only because her training demands it but also because one...

In Behold a Pale Horse Peter Tremayne brings us a perplexing case of murder and conspiracy in the pagan wilds of Northern Italy

In 664 A.D., just after the events detailed in Shroud for the Archbishop, Fidelma of Cashel takes a unexpected detour on her trip home from Rome. While in the port at Genua (modern day Genoa), Fidelma--sister of one Ireland's kings and an advocate in her country's law courts--receives word that one of her old teachers, Brother Ruadan, is reaching the end of his days. Determined to see her old mentor one last time, Fidelma takes the treacherous...

When a murdered corpse of an unknown young noble is discovered, Fidelma of Cashel is brought in to investigate, in Peter Tremayne's The Seventh Trumpet

Ireland, AD 670. When the body of a murdered young noble is discovered not far from Cashel, the King calls upon his sister, Fidelma, and her companion Eadulf to investigate. Fidelma, in addition to being the sister of the king, is a dailaigh--an advocate of the Brehon Law Courts--and has a particular talent for resolving the thorniest of mysteries.

But this time, Fidelma and Eadulf have very little to work with--the only...

Winter, 670 AD. King Colgu has invited the leading nobles and chieftains of his kingdom to a feast day. Fidelma and her companion Eadulf are finally home for an extended stay, and have promised their son, Alchu, that they'll be able to spend some time together after months of being on the road, investigating crimes. Fidelma and Eadulf are enjoying the feast when it is interrupted by the entrance of a religieux, who claims he has an important message for the King. He approaches the throne and shouts 'Remember Liamuin ' and then stabs King Colgu. The assassin is slain, but does enough damage...