Sister Fidelma Books in Order

At the 664 synod where Roman and Celtic Christianity clash, Abbess Etain is murdered. Sister Fidelma and Brother Eadulf must find the killer before the dispute turns into wider conflict.

An archbishop is found garrotted, a monk is caught fleeing, and the case looks too neat to trust. Fidelma and Eadulf follow a trail of motives and bodies toward the truth.

When the Venerable Dacan is murdered, Fidelma is summoned by Muman's dying king to investigate. Solving the crime is urgent, because the wrong answer could trigger war with Laigin.

A murder at a remote abbey leads Fidelma into a case that widens into the strange disappearance of an entire ship's crew. Old loyalties and hidden schemes make every clue slippery.

A killing in a seemingly peaceful town draws Fidelma into a tight web of private grudges and buried secrets. She has to untangle the truth before the next victim is her.

Fidelma enters the forbidden valley of Gleann Geis to negotiate for a church and school in hostile territory. Politics, belief, and danger quickly turn the mission into a murder mystery.

What begins as a pilgrimage becomes an investigation when a traveler is swept overboard on the first night at sea. Fidelma soon finds that faith and murder make uneasy company.

When an elderly monk disappears with the priceless relics of St. Ailbe, the loss threatens both faith and prestige. Fidelma must trace the vanished man before scandal turns to disaster.

Returning from a voyage, Fidelma learns that Eadulf faces death for the murder of a young woman. She races into Laigin to challenge the verdict and uncover the real killer.

Blown off course to the Welsh kingdom of Dyfed, Fidelma and Eadulf are asked to solve a near-impossible mystery. An entire monastic community, including a prince, has vanished.

A midnight summons on Yule night brings Fidelma and Eadulf to an abbey already touched by death. Trapped by winter weather, they must solve Brother Botulf's murder.

Three young girls are slain on three full moons, and panic grips Muman. Suspicion falls on Ethiopian visitors at a nearby abbey, but Fidelma knows fear can point to the wrong killer.

A servant is murdered and the abducted child is the son of Fidelma and Eadulf. The case is suddenly personal, and the search has to move fast.

A wrecked ship, a slaughtered abbess, abducted nuns, and a murdered scholar all seem linked by one hidden hand. Fidelma and Eadulf travel into enemy territory to find the mind behind the violence.

On the eve of Fidelma and Eadulf's wedding, a hated abbot is found murdered and a visiting king is blamed. Marriage plans are put aside while peace between kingdoms hangs in the balance.

The High King of Ireland is found with his throat cut, and the obvious solution looks far too convenient. Fidelma's investigation uncovers conspiracy, deception, and the threat of civil war.

At the Council of Autun, where church leaders plan a blow against the Celtic Church, a delegate from Hibernia is murdered. Fidelma steps into a gathering already thick with intrigue.

Pirates attack an Irish merchant ship off Brittany, killing Fidelma's cousin and others after surrender. Escape is only the start, because she is determined to track the killers down.

A scholar is murdered inside a locked room at Lios Mor and important manuscripts vanish. Before Fidelma can investigate fully, someone tries to kill her too.

Stranded in Genua on her way home from Rome, Fidelma travels into northern Italy to reach her dying teacher. Instead she walks into murder, conspiracy, and a land close to civil war.

The murder of a young noble near Cashel seems tied to unrest in the neighboring kingdom of Laign. A fanatic preaching purifying violence pushes the case toward something even more dangerous.

A messenger cries out to remember Liamuin, then stabs King Colgu before the assembled nobles. With the king near death, Fidelma must uncover the motive before the kingdom fractures.

Religious debate turns deadly when an abbess is murdered during talks between Irish and Anglo-Saxon delegates. Eadulf's younger brother is accused, giving Fidelma every reason to doubt the easy answer.

On the way to the Great Fair of Cashel, a wagon catches fire and reveals two disturbing secrets, a dead driver living under disguise and a corpse hidden in back. Fidelma has just days to solve it.

Visiting the Abbey of Durrow, Fidelma finds a monk murdered and suspicion fixed on a woman who predicted the crime. Old beliefs, rumor, and fear cloud every witness.

When Colgu's chief bishop is murdered in the old enemy fortress of the Ui Fidgente, execution under a new law threatens wider conflict. Fidelma must get to the truth before justice becomes vengeance.

Set during Fidelma's student years, this mini-mystery sends her to find an old friend who has vanished from home. It works as a neat introduction to her first recorded case.

On the eve of Samhain, a man is found murdered in an unlit pyre and dressed as a religious. Prophecy, ritual death, and whispers of the old gods give Fidelma a chilling case.

Bound by oath to keep her mission secret, Fidelma tracks a murdered abbot and a fugitive girl while rumors spread around the kingdom. The case isolates her just when she most needs allies.

In a prosperous village that prides itself on harmony, a stranger is nearly lynched for a family's murder. Fidelma saves him, then discovers that the real danger is still walking free.

A dead brehon, a missing princess, and rumors of shapeshifters draw Fidelma into hostile Laigin. Mines, brigands, and political suspicion make the search steadily more dangerous.

As Muman's princes gather for council, the keeper of the sacred sword is murdered and plague fears spread from a nearby ship. Fidelma has to solve the killing amid panic and whispers of revolt.

A bishop dies in a hostel fire, but Fidelma quickly learns he was stabbed first. Factions inside a great teaching abbey turn the investigation into a maze of doctrine, jealousy, and deceit.

Princess Gelgeis arrives in Cashel with her women warriors, then one guard is found dead beside the royal apartments. Poison, locked-room questions, and wedding tensions raise the stakes fast.

A grey-cloaked prophetess foretells Abbot Brocc's death, and soon he is found dead exactly as feared. Fidelma faces a remote abbey divided between the old and new faiths.

Fidelma and Eadulf reach his East Anglian home to find his uncle murdered, the house burned, and his sister missing. Hostile locals and church politics make the search even harder.