The plague raging through London in 1665 has emptied the city. The only people left are those too poor to flee or those who selflessly struggle to control the contagion and safeguard the capital's future. Amongst them, though, are those prepared to risk their health for money - those who sell dubious 'cures' and hawk food at wildly inflated prices. Also amongst them are those who hold in their hands the future of the city's most iconic building - St Paul's Cathedral.

In the sapping summer heat of 1665, there is little celebration in London of the naval victory at the Battle of Lowestoft. The King, his retinue and anyone with sufficient means has fled the plague-ridden city, its half-deserted streets echoing the sound of bells tolling the mounting number of deaths. Those who remain clutch doubtful potions to ward off the relentless disease and dart nervously past shuttered buildings, watchful for the thieves who risk their lives to plunder what has been left behind.

Matthew Bartholomew, unorthodox but effective physician to Michaelhouse college in medieval Cambridge, is as worried as anyone about the pestilence that is ravaging Europe and seems to be approaching England. But he is distracted by the sudden and inexplicable death of the Master of Michaelhouse - a death the University authorities do not want investigated.

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.

His name was Will Fowler, an actor in the esteemed theatrical company called Lord Westfield’s Men, a vibrant young man flushed from the success of a recent performance at the Queen’s Head theatre. So exuberant was he that he persuaded the resourceful manager of the company, Nicholas Bracewell, to quaff a pint or two at a nearby pub.

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....

London, September 1666. The Great Fire rages through the city, consuming everything in its path. Even the impregnable cathedral of St. Paul's is engulfed in flames and reduced to ruins. Among the crowds watching its destruction is James Marwood, son of a disgraced printer and reluctant government informer. In the aftermath of the fire, a semi-mummified body is discovered in the ashes of St. Paul's, in a tomb that should have been empty. The man's body has been mutilated, and his thumbs have been tied behind his back.

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?

Ralph Delchard, a soldier who fought at the Battle of Hastings, and Gervase Bret, a talented lawyer, have been commissioned by William the Conqueror to look into irregularities brought to light during the compilation of the Domesday Book. A man’s body is found mutilated in Savernake Forest and the residents of Bedwyn sleep uneasy at night, fearing a monster stalking the town. When Ralph Delchard and Gervase Bret arrive, they discover that the locals are harbouring dark secrets and that the real killer may be a little closer to home....

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his seventy-fifth birthday. But when someone starts bumping off members of his scheming family, the old man enlists his teenage grandson to help find the killer, before one of them is next.

At the end of his Grand Tour, somewhere between Athens and Constantinople, Christian Selwyn, the young Earl of Hazelmere, vanished—seemingly without trace. Time passes. In London, his uncle and cousin move into his home, while his unofficial fiancée, Sophia, is left desolate and in limbo.

The daughter of a baronet and minor heiress, Rosalind Thorne was nearly ruined after her father abandoned the family. To survive in the only world she knew, she began to manage the affairs of some of London society's most influential women, who rely on her wit and discretion. So when artistocratic wastrel Jasper Aimesworth is found dead in London's most exclusive ballroom, Almack's, Rosalind must use her skills and connections to uncover the killer.

London, 1861. Samantha Kingston has lived under the control of her overbearing uncle since the death of her parents six years ago. Trapped by the conventions of her gender and social class, she is desperate to find a way out. But when her aunt and uncle are murdered, the freedom she sought seems even further out of reach. A suspect in the crime, she finds herself on the run, unsure whom to trust, lost in the underworld she had only ever read about in the pages of a Dickens novel.

Matthew Bartholomew, unorthodox but effective physician to Michaelhouse college in medieval Cambridge, is as worried as anyone about the pestilence that is ravaging Europe and seems to be approaching England. But he is distracted by the sudden and inexplicable death of the Master of Michaelhouse - a death the University authorities do not want investigated.

When the Council of 10 takes the seer Nostradamus into custody, suspecting him of poisoning a friend of the prince, his young apprentice must unravel a web of magic and murder if he is to have any future of his own.

The king's coronation brings hope. Until a murderer strikes. Spring 1661: After years of civil war followed by Oliver Cromwell's joyless rule as Lord Protector, England awaits the coronation of King Charles II. The mood in London is one of relief and hope for a better future. But when two respectable gentlemen are found in a foul lane with their throats cut, it becomes apparent that England's enemies are using the newly re-established post office for their own ends.

It is 1644, and Parliament’s armies have risen against the King and laid siege to the city of York. Even as the city suffers at the rebels’ hands, midwife Bridget Hodgson becomes embroiled in a different sort of rebellion. One of Bridget’s friends, Esther Cooper, has been convicted of murdering her husband and sentenced to be burnt alive. Convinced that her friend is innocent, Bridget sets out to find the real killer.

London, 1882. Alec Lonsdale, a young reporter on the Pall Mall Gazette, is working on a story about a fatal house fire. But the postmortem on the victim produces shocking results: Patrick Donovan's death was no accident. But why would someone murder a humble shop assistant and steal part of his brain? When a second body is discovered, its throat cut, and then a third, Lonsdale and his spirited female colleague, Hulda Friederichs, begin to uncover evidence of a conspiracy that reaches to the highest echelons of Victorian society.

He's insisting he's a Tide Lord and he's begging us to try again...to kill him, that is. When a routine hanging goes wrong, the survivor announces he is Cayal the immortal Prince, a Tide Lord. However, the only known record of the immortal beings of Amyrantha is the Tide Lord Tarot...and everyone knows it is only a parlour-game, an amusement. Arkady Desean, an expert on the legends of the Crasii - a part-animal, part-human race - is sent to interrogate Cayal.

In A Conspiracy of Paper, Weaver investigates a crime of the most personal sort: the mysterious death of his estranged father, a notorious stockjobber. To find the answers, Weaver must contend with a desperate prostitute who knows too much about his past, relatives who remind him of his alienation from the Jewish faith, and a cabal of powerful men in the world of British finance who have hidden their business dealings behind an intricate web of deception and violence. Relying on brains and brawn, Weaver uncovers the beginnings of a strange new economic order.

When Marcus Didius Falco encounters the young and very pretty Sosia Camillina in the Forum, he senses immediately that there is something amiss. When she confesses that she is fleeing for her life, Falco offers to help her and, in doing so, gets himself mixed up in a deadly plot involving stolen ingots, dangerous and dark political machinations, and, most hazardous of all, one Helena Justina - a brash, indomitable senator's daughter connected to the very traitors that Falco has sworn to expose.

Lisbon, 1755: A distinguished-looking gentleman emerges from the bowels of a ship freshly arrived from London, and sets into the city with a singular purpose. This is Sebastian Foxx, born SebastiAo Raposa, and his parents were abducted by the Inquisition when Sebastian was just 13 years old.

In 13th century Europe, political turmoil is the order of the day and the Fool's Guild and its agents - jesters, jugglers, and knaves to a man - works behind the scenes to manipulate events, trying to maintain a balance of power. Theophilos, a member of the Guild known by many names, is still recovering from his last mission during which he was severely wounded and nearly lost his life but, in the person of Viola, found himself an apprentice and a wife. But there is no rest for the wicked.

London, 1196. At the command of Richard the Lionheart, Sir John de Wolfe has left his beloved West Country for the Palace of Westminster, where he has been appointed Coroner of the Verge. But with the king overseas, embroiled in a costly war against King Philip of France, Sir John is dismayed to discover that the English court is a hotbed of greed, corruption and petty in-fighting.

London, 1851. With the opening of the Great Exhibition at hand, interest in mounting in the engineering triumphs of the railways, but not everyone feels like celebrating. In an audacious attack, the London to Birmingham mail train is robbed and derailed, causing many casualties. Planned with military precision, this crime proves a challenge to Detective Inspector Robert Colbeck who fights to untangle a web of murder, blackmail and destruction.

Rumor has linked Queen Elizabeth I to her master of the horse, Robin Dudley. As gossip would have it, only his ailing wife, Amy, prevents marriage between Dudley and the Queen. To quell the idle tongues at court, the Queen dispatches Ursula Blanchard to tend to the sick woman's needs. But not even Ursula can prevent the "accident" that takes Amy's life. Did she fall or was she pushed? Was Ursula a pawn of Dudley and the Queen?

It is 1864, and London is a city in transition. The Constantine Affliction - a strange malady that kills some of its victims and physically transforms others into the opposite sex - has spread scandal and upheaval throughout society. Scientific marvels and disasters, such as clockwork courtesans, the alchemical fires of Whitechapel, electric carriages, and acidic monsters lurking in the Thames, have forever altered the face of the city.

Sonea, former street urchin, now a Black Magician, is horrified when her son, Lorkin, volunteers to assist Dannyl in his new role as Guild Ambassador to Sachaka, a land still ruled by cruel black magicians. When word comes that Lorkin has gone missing Sonea is desperate to find him, but if she leaves the city she will be exiled forever, and besides, her old friend Cery needs her help.