Believers in the theory of nominalism have set some Cambridge colleges at the throats of those who believe them to be heretics and Michael, the Senior Proctor, has his work cut out to keep the peace. When a nominalist is murdered during a riot Michael is certain he will easily find the killer amongst the Dominicans, but before he can get any sense out of them his junior proctor, Walcote, is found hanged and he discovers that his trusted ally had arranged secret meetings at the St Ragelund Convent between men who would not normally be seen together - and the nuns of St Ragelund are renowned...

The dour days of Cromwell are over. Charles II is well established at White Hall Palace, his mistress at hand in rooms over the Holbein bridge, the heads of some of the regicides on public display. London seethes with new energy, freed from the strictures of the Protectorate, but many of its inhabitants have lost their livelihoods. One is Thomas Chaloner, a reluctant spy for the feared Secretary of State, John Thurloe, and now returned from Holland in desperate need of employment. His erstwhile boss, knowing he has many enemies at court, recommends Thomas to Lord Clarendon, but in return...

Rebellion is in the air of London in the spring of 1663. Thomas Chaloner, spy for the King's intelligence service, has just returned from thwarting a planned revolt in Dublin, but soon realises that England's capital is no haven of peace. He is ordered to investigate the shooting of a beggar during a royal procession. He soon learns the man is no vagrant, but someone with links to the powerful Company of Barber-Surgeons. He master, the Earl of Clarendon, is locked in a deadly feud with the Earl of Bristol, and an innocent man is about to be hanged in Newgate. Chaloner is embroiled in a...

Cambridge University is in dire financial straits: the town's landlords are demanding an extortionate rent rise for the students' hostels and the plague years have left the colleges with scant resources. Tension between town and gown is at boiling point and soon explodes into violence and death. Into this maelstrom comes a charismatic physician whose healing methods owe more to magic than medicine but his success threatens Matthew Bartholomew's professional reputation, and his life ...

There is something very amiss in the finances of Michaelhouse. Despite a new influx of well-heeled students, there is an acute lack of funds for the upkeep of the buildings, even for decent provisions. It is only when the Brother in charge of the account books dies unexpectedly that some sort of explanation is revealed: he has been paying large amounts of money for goods the college itself has never received. Although shocked by this evidence of fraud, Matthew is more concerned with the disappearance from his herbarium of a quantity of pennyroyal, a preparation known to cause a woman to...

Thomas Chaloner has forged a living as spy to the Lord Chancellor, the Earl of Clarendon, since the early days of the Restoration. Now, in February 1664, he is aware of an undercurrent of restlessness on the streets of London. The coffee houses are thick with rumours. There is anger at the new laws governing church attendance and a deepening contempt for the loucheness of the court. And there is murder.
The infamous church-smasher Dick Culmer is killed among the tottering, ramshackle buildings of London Bridge and Chaloner's investigations into the death link Culmer to a group of puritan...

In the dilapidated surroundings of the Savoy hospital, a delegation from the Netherlands has gathered for a final attempt to secure peace between the two nations. Thomas Chaloner, active in Holland during Cromwell's time, knows many of the delegates, including the sister of his late wife.
Then the body of his former brother-in-law is found in the Thames. Chaloner discovers that the dead man has left enigmatic clues to a motivation for his murder. Was he involved in a plot to steal the crown jewels, or did he fall foul of one of the many people in London who are determined that the peace...

It is drawing near to the end of term, and the University at Cambridge is in turmoil over the opening of a new Common Library. There is an attack on one of the masters at a meeting to discuss the matter, and a body is found floating in the pond in the library's garden on the eve of its opening.
Meanwhile, there are rumours of a large force of dangerous smugglers lurking in the Fens. Aided by their friend Sheriff Tulyet, Bartholomew and Michael must thwart the invaders before the Feast of Corpus Christi the following week. To fail might mean the destruction of the town...

Matthew Bartholomew's sixteenth adventure finds him racing to save the universityWhen a wealthy benefactor is found dead in Michaelhouse, Brother Michael and Matthew Bartholomew must find the culprit before the College is accused of foul play. At the same time, Cambridge is plagued by a mystery thief, who is targeting rich pilgrims. Moreover, pranksters are at large in the university, staging a series of increasingly dangerous practical jokes that are dividing scholars into bitterly opposed factions. Bartholomew and Michael soon learn that their various mysteries are connected, and it becomes...

In 1358 the fledging college of Michaelhouse in Cambridge is in need of extra funds. A legacy from the Archbishop of York of a parish close to that city promises a welcome source of income. However, there has been another claim to its ownership and it seems the only way to settle the dispute is for a deputation from Michaelhouse to travel north.
Matthew Bartholomew is among the small party which arrives in the bustling city, where the increasing wealth of the merchants is unsettling the established order, and where a French invasion is an ever-present threat to its port. But soon he and...