Glasgow, 1492: Gil Cunningham remarked later that if he had known he would find a corpse in the university coalhouse, he would never have gone to the Arts Faculty feast. In this mysterious adventure Gil Cunningham returns to his old university for the Nicholas Feast, where he and his colleagues are entertained by a play presented by some of the students. One of the actors, William Irvine, is later found murdered and Gil, assisted by Alys, begins to disentangle a complex web of espionage and blackmail involving William's tutors and fellow students.

“And you are telling me,” said Gil Cunningham, “that David Drummond vanished away forty years ago and is now returned, seemingly not a day older?” “That’s about the sum of it,” agreed Sir William Stewart. In Sir William’s remote part of Scotland it seems almost possible that a young boy could have been stolen away by the fairies and returned forty years later, no older – and if he isn’t Davie Drummond, who is he? And then he suffers a succession of near-fatal ‘accidents’.

The warden of St Serf's has been found dead in the almshouse garden. He appears to have been killed on the previous night but there are those who are convinced he was present at that morning's service, The elderly residents, the almshouse nurse and Humphrey, her deranged favourite, have all been set against one another by the dead man's scheming - and then there is the discarded mistress and almshouse ghost to consider.

Although he was watching closely when the mummer was poisoned, it took Gil Cunningham several days and three more poisonings to work out how it was done. Danny Gibson and Nanty Bothwell, rivals for the affections of Agnes Renfrew, the apothecary's pretty daughter, are also good friends.

Gil Cunningham had hoped that the first time he set foot in the brothel on the Drygate it would also be his last, but by the time all was settled he felt quite at home within its artfully painted chambers. The bawdy house, along with the neighbouring property and two more in Strathblane, are all part of a deal offered to Gil and his wife Alys by the forceful Dame Isabella.

Tied to St Mungo's Cross by the cathedral to be cured of her madness overnight by the saint, the young woman is found in the morning beaten and strangled, still tied to the cross. But is she who she seems to be? And who would flout the saint's protection like this? Gil Cunningham must trace the dead woman and find her enemies, track down the thieves and murderers and identify the watchers in the shadows, particularly the elusive fourth person who holds the secret of what happened that night. Questioning cathedral staff and apprentice boys, pilgrims and tradesmen, he uncovers only more puzzles.

At the May Day dancing at Glasgow Cross, Gil Cunningham sees not only the woman who is going to be murdered, but her murderer as well. Gil is a recently qualified lawyer whose family still expect him to enter the priesthood. When he finds the body of a young woman in the new building at Glasgow Cathedral he is asked to investigate, and identifies the corpse as the runaway wife of cruel, unpleasant nobleman John Semphill. With the help of Maistre Pierre, the French master-mason, Gil must ask questions and seek a murderer in the heart of the city.

In a peaceful retirement village, four unlikely friends meet weekly in the Jigsaw Room to discuss unsolved crimes; together, they call themselves the Thursday Murder Club. When a local developer is found dead with a mysterious photograph left next to the body, the Thursday Murder Club suddenly find themselves in the middle of their first live case.

Salisbury, 1226. A young pregnant woman is found tangled in reeds in the river Avon, her identity a mystery. Grieving widow Ela Longespée is determined to succeed her husband as sheriff of Salisbury, and quickly takes charge of the investigation. She soon finds herself in the thick of a neighborhood scandal and a struggle to maintain her authority. With multiple suspects, can she identify the true killer?

Hugh of Singleton, fourth son of a minor knight, has been educated as a clerk, usually a prelude to taking holy orders. However, feeling no certain calling despite a lively faith, he turns to the profession of surgeon, training in Paris and then hanging out his sign in Oxford. A local lord asks him to track the killer of a young woman whose bones have been found in the castle cesspit. She is identified as the impetuous missing daughter of a local blacksmith, and her young man, whom she had provoked very publicly, is in due course arrested and sentenced at the Oxford assizes.

The much-feared and hated Eudo - the Lord Bishop of Winchester's clerk - is bludgeoned to death in Pershore Abbey and laid before the altar in the attitude of a penitent. Everyone who had contact with him had reason to dislike him, but who had reason to kill him? The Sheriff of Worcestershire's thief taker, wily Serjeant Catchpoll, and his new and unwanted superior, Undersheriff Hugh Bradecote, have to find the answer. And as the walls of the abbey close in on the suspects, the killer strikes again....

April 1284. As a newly widowed lady-in-waiting to the very pregnant Queen Eleanor of England, Catrin never expected to return to Wales again. She was definitely unprepared to be confronted with murder when she got there - or to find herself face-to-face with Rhys, the childhood friend she lost 20 years before. Rhys had never intended to return home either, but a lifetime of war has deposited him right back where he started - impoverished and owing service to Catrin's older brother.

The Earl of Wrexford possesses a brilliant scientific mind, but boredom and pride lead him to reckless behavior. He does not suffer fools gladly. So when pompous, pious Reverend Josiah Holworthy publicly condemns him for debauchery, Wrexford unsheathes his rapier-sharp wit and strikes back. As their war of words escalates, London's most popular satirical cartoonist, A. J. Quill, skewers them both.

Agnes is a wild creature who walks her family’s land with a falcon on her glove and is known throughout the countryside for her unusual gifts as a healer, understanding plants and potions better than she does people. Once she settles with her husband on Henley Street in Stratford-upon-Avon, she becomes a fiercely protective mother and a steadfast, centrifugal force in the life of her young husband, whose career on the London stage is taking off when his beloved young son succumbs to sudden fever.

Masterfully blending true events with fiction, this blockbuster historical thriller delivers a compelling murder mystery set on the sixteenth-century Oxford University campus.