It's 1811, and the threat of revolution haunts the upper classes of King George III's England. Then a beautiful young woman is found raped and savagely murdered on the altar steps of an ancient church near Westminster Abbey. A dueling pistol discovered at the scene and the damning testimony of a witness both point to one man, Sebastian St. Cyr, Viscount Devlin, a brilliant young nobleman shattered by his experience in the Napoleonic Wars. Now a fugitive running for his life, Sebastian calls upon his skill as an agent during the war to catch the killer and prove his own innocence. In the process, he accumulates a band of unlikely allies, including the enigmatic beauty Kat Boleyn, who broke Sebastian's heart years ago. In Sebastian's world of intrigue and espionage, nothing is as it seems, yet the truth may hold the key to the future of the British monarchy, as well as to Sebastian's own salvation....

Brighton, England— 1811. The young wife of an aging marquis is found murdered in the arms of the Prince Regent. Around her neck lies a necklace said to have been worn by Druid priestesses-that is, until it was lost at sea with its last owner, Sebastian St. Cyr's mother. Now Sebastian is lured into a dangerous investigation of the marchioness' death-and his mother's uncertain fate. As he edges closer to the truth-and one murder follows another-he confronts a conspiracy that imperils those nearest him and threatens to bring down the monarchy.

In 1811 London, murder stalks the city's elite as the sons of prominent families are found in public places, with their bodies mutilated and strange objects stuffed in their mouths, and Sebastian St. Cyr takes time out from his shaky relationship with actress Kat Boleyn to track down the killer.

London, 1812. The brutal slaughter of eight young prostitutes in a house of refuge near Covent Garden leaves only one survivor- and one witness: Hero Jarvis, reform-minded daughter of the Prince Regent's cousin, Lord Jarvis. When the Machiavellian powerbroker quashes any official inquiry that might reveal his daughter's unorthodox presence, Hero launches an investigation of her own and turns to Sebastian St. Cyr, Viscount Devlin, for help. Working in an uneasy alliance, Hero and Sebastian follow a trail of clues leading from the seedy brothels and docksides of London's East End to the Mayfair mansions of a noble family with dark secrets to hide. Risking both their lives and their reputations, the two must race against time to stop a killer whose ominous plot threatens to shake the nation to its very core.

London, 1812. When the controversial, reform-minded Bishop of London is found bludgeoned to death in an ancient crypt beside the corpse of an unidentified man murdered decades before, Sebastian St. Cyr, Viscount Devlin, is asked by the Archbishop of Canterbury to help with the investigation. To Sebastian's consternation, the last person to see the Bishop alive was Miss Hero Jarvis, a woman whose already strained relationship with St. Cyr has been complicated by a brief, unexpectedly passionate encounter. As his search for the killer leads him from the back allies of Smithfield to the power corridors of Whitehall, Sebastian amasses a list of suspects that range from some of the Prince Regent's closest cronies to William Franklin, embittered son of famous American patriot Ben Franklin. Sebastian must also confront the well-guarded secrets of his own family's past—and a devastating truth that could ultimately force him to question who—and what—he really is.

How do you set about solving a murder no one can reveal has been committed? Regency London, July 1812. That's the challenge confronting C.S. Harris' aristocratic soldier-turned-sleuth Sebastian St. Cyr when his friend, surgeon and "anatomist" Paul Gibson, illegally buys the cadaver of a young man from London's infamous body snatchers. A rising star at the Foreign Office, Mr. Alexander Ross was reported to have died of a weak heart. But when Gibson discovers a stiletto wound at the base of Ross' skull, he can turn only to Sebastian for help in catching the killer. Described by all who knew him as an amiable young man, Ross at first seems an unlikely candidate for murder. But as Sebastian's search takes him from the Queen's drawing rooms in St. James' Palace to the embassies of Russia, the United States, and the Turkish Empire, he plunges into a dangerous shadow land of diplomatic maneuvering and international intrigue, where truth is an elusive commodity and nothing is as it seems. Meanwhile, Sebastian must confront the turmoil of his personal life. Hero Jarvis, daughter of his powerful nemesis Lord Jarvis, finally agrees to become his wife. But as their wedding approaches, Sebastian can't escape the growing realization that not only Lord Jarvis but Hero herself knows far more about the events surrounding Ross' death than they would have him believe. Then a second body is found, badly decomposed but bearing the same fatal stiletto wound. And Sebastian must race to unmask a ruthless killer who is now threatening the life of his reluctant bride and their unborn child.

Regency England, August 1812. Sebastian's plans to escape the heat of London for a honeymoon are shattered when the murdered body of Hero's good friend, Gabrielle Tennyson, is discovered drifting in a battered boat at the site of a long-vanished castle known as Camlet Moat. A beautiful young antiquarian, Miss Tennyson had recently provoked an uproar with her controversial identification of the island as the location of Camelot. Missing and presumed also dead are Gabrielle's two young cousins, nine-year-old George and three-year-old Alfred. Still struggling to define the nature of their new marriage, Sebastian and Hero find themselves occasionally working at cross-purposes as their investigation leads from London's medieval Inns of Court to its seedy back alleys, and from grand country homes to rural enclaves where ancient Celtic beliefs still hold sway. As he probes deeper, Sebastian also discovers dark secrets at the heart of the Tennyson family, and an enigmatic young French lieutenant with a dangerous, mysterious secret of his own. Racing to unmask a ruthless killer and unravel the puzzle of the missing children, Sebastian and Hero soon find both their lives and their growing love for each other at risk as their investigation leads to Hero's father, who is also Sebastian's long-time nemesis... and to a tall, dark stranger who may hold the key to Sebastian's own parentage.

London, September 1812. After a long night spent dealing with the tragic death of a former military comrade, a heart-sick Sebastian learns of a new calamity: Russell Yates, the dashing, one-time privateer who married Sebastian’s former lover Kat Boleyn a year ago, has been found standing over the corpse of notorious London diamond merchant Benjamin Eisler. Yates insists he is innocent, but he will surely hang unless Sebastian can unmask the real killer. For the sake of Kat, the woman he once loved and lost, Sebastian plunges into a treacherous circle of intrigue. Although Eisler’s clients included the Prince Regent and the Emperor Napoleon, he was a despicable man with many enemies and a number of dangerous, well-kept secrets—including a passion for arcane texts and black magic. Central to the case is a magnificent blue diamond, believed to have once formed part of the French crown jewels, which disappeared on the night of Eisler’s death. As Sebastian traces the diamond’s ownership, he uncovers links that implicate an eccentric, powerful financier named Hope and stretch back into the darkest days of the French Revolution. When the killer grows ever more desperate and vicious, Sebastian finds his new marriage to Hero tested by the shadows of his first love, especially when he begins to suspect that Kat is keeping secrets of her own. And as matters rise to a crisis, Sebastian must face a bitter truth—that he has been less than open with the fearless woman who is now his wife.

The gruesome murder of a young French physician draws aristocratic investigator Sebastian St. Cyr and his pregnant wife, Hero, into a dangerous, decades-old mystery as a wrenching piece of Sebastian’s past puts him to the ultimate test. Regency England, January 1813: When a badly injured Frenchwoman is found beside the mutilated body of Dr. Damion Pelletan in one of London’s worst slums, Sebastian finds himself caught in a high-stakes tangle of murder and revenge. Although the woman, Alexi Sauvage, has no memory of the attack, Sebastian knows her all too well from an incident in his past—an act of wartime brutality and betrayal that nearly destroyed him. As the search for the killer leads Sebastian into a treacherous web of duplicity, he discovers that Pelletan was part of a secret delegation sent by Napoleon to investigate the possibility of peace with Britain. Despite his powerful father-in-law’s warnings, Sebastian plunges deep into the mystery of the "Lost Dauphin”, the boy prince who disappeared in the darkest days of the French Revolution, and soon finds himself at lethal odds with the Dauphin’s sister—the imperious, ruthless daughter of Marie Antoinette—who is determined to retake the French crown at any cost. With the murderer striking ever closer, Sebastian must battle new fears about Hero’s health and that of their soon-to-be born child. When he realizes the key to their survival may lie in the hands of an old enemy, he must finally face the truth about his own guilt in a past he has found too terrible to consider....

The grisly murder of a West Indies slave owner and the reappearance of a dangerous enemy from Sebastian St. Cyr’s past combine to put C. S. Harris’s “troubled but compelling antihero” (Booklist) to the ultimate test in this taut, thrilling mystery. London, 1813. The vicious decapitation of Stanley Preston, a wealthy, socially ambitious plantation owner, at Bloody Bridge draws Sebastian St. Cyr, Viscount Devlin, into a macabre and increasingly perilous investigation. The discovery near the body of an aged lead coffin strap bearing the inscription “King Charles, 1648” suggests a link between this killing and the beheading of the deposed seventeenth-century Stuart monarch. Equally troubling, the victim’s kinship to the current Home Secretary draws the notice of Sebastian’s powerful father-in-law, Lord Jarvis, who will exploit any means to pursue his own clandestine ends. Working in concert with his fiercely independent wife, Hero, Sebastian finds his inquiries taking him from the wretched back alleys of Fish Street Hill to the glittering ballrooms of Mayfair as he amasses a list of suspects who range from an eccentric Chelsea curiosity collector to the brother of an unassuming but brilliantly observant spinster named Jane Austen. But as one brutal murder follows another, it is the connection between the victims and ruthless former army officer Sinclair, Lord Oliphant, that dramatically raises the stakes. Once, Oliphant nearly destroyed Sebastian in a horrific wartime act of carnage and betrayal. Now the vindictive former colonel might well pose a threat not only to Sebastian but to everything—and everyone—Sebastian holds most dear.

Ayleswick-on-Teme, England, 1813 Sebastian has come to this seemingly peaceful Shropshire village to honor a slain friend and to learn more about his own ancestry. But when the body of a lovely widow is found on the banks of the River Teme, a bottle of laudanum at her side, the village’s inexperienced new magistrate turns to St. Cyr for help. Almost immediately Sebastian realizes that Emma Chance did not take her own life, but it is less easy to discern exactly how she died, and why. He and wife Hero soon discover that Emma was hiding both her true identity and her real reasons for traveling to Ayleswick. Also troubling are the machinations of Lucien Bonaparte, the estranged brother of French Emperor Napoleon; held captive under the British government’s watchful eye, the younger Bonaparte is restless, ambitious, and treacherous. Sebastian’s investigation takes on new urgency when he discovers that Emma was not the first, or even the second, beautiful young woman in the village to die under suspicious circumstances. Home to the eerie ruins of an ancient monastery, Ayleswick reveals itself to be a dark and dangerous place of secrets that have festered among the villagers for decades—and a violent past that may be connected to Sebastian’s own unsettling origins. And as he faces his most diabolical opponent ever, he is forced to consider what malevolence he’s willing to embrace in order to destroy a killer.

London, 1813 Sebastian St. Cyr, Viscount Devlin, is no stranger to the dark side of the city, but he's never seen anything like this: the brutalized body of a 15-year-old boy dumped into a makeshift grave on the grounds of an abandoned factory. One of London's many homeless children, Benji Thatcher was abducted and tortured before his murder—and his younger sister is still missing. Few in authority care about a street urchin's fate, but Sebastian refuses to let this killer go unpunished. Uncovering a disturbing pattern of missing children, Sebastian is drawn into a shadowy, sadistic world. As he follows a grim trail that leads from the writings of the debauched Marquis de Sade to the city's most notorious brothels, he comes to a horrifying realization: Someone from society's upper echelon is preying upon the city's most vulnerable. And though dark, powerful forces are moving against him, Sebastian will risk his reputation and his life to keep more innocents from harm.

In the newest mystery from the national bestselling author of Where the Dead Lie, a brutal murder draws Sebastian St. Cyr into the web of the royal court, where intrigue abounds and betrayal awaits. London, 1814. As a cruel winter holds the city in its icy grip, the bloody body of a beautiful young musician is found half-buried in a snowdrift. Jane Ambrose's ties to Princess Charlotte, the only child of the Prince Regent and heir presumptive to the throne, panic the palace, which moves quickly to shut down any investigation into the death of the talented pianist. But Sebastian St. Cyr, Viscount Devlin, and his wife Hero refuse to allow Jane's murderer to escape justice. Untangling the secrets of Jane's world leads Sebastian into a maze of dangerous treachery where each player has his or her own unsavory agenda and no one can be trusted. As the Thames freezes over and the people of London pour onto the ice for a Frost Fair, Sebastian and Hero find their investigation circling back to the palace and building to a chilling crescendo of deceit and death . . .

The death of a fiendish nobleman strikes close to home as Sebastian St. Cyr is tasked with finding the killer to save his young cousin from persecution in this riveting new historical mystery from the USA Today bestselling author of Why Kill the Innocent.... When the handsome but dissolute young gentleman Lord Ashworth is found brutally murdered, Sebastian St. Cyr, Viscount Devlin, is called in by Bow Street magistrate Sir Henry Lovejoy to help catch the killer. Just seven months before, Sebastian had suspected Ashworth of aiding one of his longtime friends and companions in the kidnapping and murder of a string of vulnerable street children. But Sebastian was never able to prove Ashworth's complicity. Nor was he able to prevent his troubled, headstrong young niece Stephanie from entering into a disastrous marriage with the dangerous nobleman. Stephanie has survived the difficult birth of twin sons. But Sebastian soon discovers that her marriage has quickly degenerated into a sham. Ashworth abandoned his pregnant bride at his father's Park Street mansion and has continued living an essentially bachelor existence. And mounting evidence—ranging from a small bloody handprint to a woman's silk stocking—suggests that Ashworth's killer was a woman. Sebastian is tasked with unraveling the shocking nest of secrets surrounding Ashworth's life to keep Stephanie from being punished for his death.

Sebastian St. Cyr investigates the mysterious life and death of a nobleman accused of murder in this enthralling new historical mystery from the USA Today bestselling author of Why Kill the Innocent.... It's June 1814, and the royal families of Austria, Russia, and the German states have gathered in London at the Prince Regent's invitation to celebrate the defeat of Napoléon and the restoration of monarchical control throughout Europe. But the festive atmosphere is marred one warm summer evening by the brutal murder of a disgraced British nobleman long thought dead. Eighteen years before, Nicholas Hayes, the third son of the late Earl of Seaford, was accused of killing a beautiful young French émigré and transported to Botany Bay for life. Even before his conviction, Hayes had been disowned by his father. Few in London were surprised when they heard the ne'er-do-well had died in New South Wales in 1799. But those reports were obviously wrong. Recently Hayes returned to London with a mysterious young boy in tow—a child who vanishes shortly after Nicholas' body is discovered. Sebastian St. Cyr, Viscount Devlin, is drawn into the investigation by his valet, Jules Calhoun. With Calhoun's help, Sebastian begins to piece together the shattered life of the late Earl's ill-fated youngest son. Why did Nicholas risk his life and freedom by returning to England? And why did he bring the now-missing young boy with him? Several nervous Londoners had reason to fear that Nicholas Hayes had returned to kill them. One of them might have decided to kill him first.

Sebastian St. Cyr thought a notorious serial killer had been brought to justice until a shocking series of gruesome new murders stuns the city in this thrilling historical mystery from the USA Today bestselling author of Who Speaks for the Damned. It's October 1814. The war with France is finally over and Europe's diplomats are convening in Vienna for a conference that will put their world back together. With peace finally at hand, London suddenly finds itself in the grip of a series of heinous murders eerily similar to the Ratcliffe Highway murders of three years before. In 1811, two entire families were viciously murdered in their homes. A suspect—a young seaman named John Williams—was arrested. But before he could be brought to trial, Williams hanged himself in his cell. The murders ceased, and London slowly began to breathe easier. But when the lead investigator, Sir Edwin Pym, is killed in the same brutal way three years later and others possibly connected to the original case meet violent ends, the city is paralyzed with terror once more. Was the wrong man arrested for the murders? Bow Street magistrate Sir Henry Lovejoy turns to his friend Sebastian St. Cyr, Viscount Devlin, for assistance. Pym's colleagues are convinced his manner of death is a coincidence, but Sebastian has his doubts. The more he looks into the three-year-old murders, the more certain he becomes that the hapless John Williams was not the real killer. Which begs the question—who was and why are they dead set on killing again?

Sebastian St. Cyr, Viscount Devlin, has spent years unraveling his family’s tragic history. But the secrets of his past will come to light in this gripping new historical mystery from the USA Today bestselling author of What the Devil Knows. March, 1815. The Bourbon King Louis XVIII has been restored to the throne of France, Napoleon is in exile on the isle of Elba, and Sebastian St. Cyr, Viscount Devlin, and his wife, Hero, have traveled to Paris in hopes of tracing his long-lost mother, Sophie, the errant Countess of Hendon. But his search ends in tragedy when he comes upon the dying Countess in the wasteland at the tip of the Île de la Cité. Stabbed—apparently with a stiletto—and thrown from the bastions of the island’s ancient stone bridge, Sophie dies without naming her murderer. Sophie had been living in Paris under an assumed name as the mistress of Maréchal Alexandre McClellan, the scion of a noble Scottish Jacobite family that took refuge in France after the Forty-Five Rebellion. Once one of Napoleon’s most trusted and successful generals, McClellan has now sworn allegiance to the Bourbons and is serving in the delegation negotiating on behalf of France at the Congress of Vienna. It doesn’t take Sebastian long to realize that the French authorities have no interest in involving themselves in the murder of a notorious Englishwoman at such a delicate time. And so, grieving and shattered by his mother’s death, Sebastian takes it upon himself to hunt down her killer. But what he learns will not only shock him but could upend a hard-won world peace.

June 1815. The people of London wait, breathlessly, for news as Napoleon and the forces united against him hurtle toward their final reckoning at Waterloo. Among them is Sebastian St. Cyr, Viscount Devlin, frustrated to find himself sidelined while recovering from a dangerous wound he recently received in Paris. When the mutilated corpse of Major Miles Sedgewick surfaces from the murky waters of the Thames, Sebastian is drawn into the investigation of a murder that threatens one of his oldest and dearest friends, Irish surgeon Paul Gibson. Gibson’s lover, Alexi Sauvage, was tricked into a bigamous marriage with the victim. But there are other women who may have wanted the cruel, faithless Major dead. His mistress, his neglected wife, and their young governess who he seduced all make for compelling suspects. Even more interesting to Sebastian is one of Sedgewick’s fellow officers, a man who shared Sedgewick’s macabre interest in both old English folklore and the occult. And then there’s a valuable list of Londoners who once spied for Napoleon that Sedgewick was said to be transporting to Charles, Lord Jarvis, the Regent’s powerful cousin who also happens to be Sebastian’s own father-in-law. The deeper Sebastian delves into Sedgewick’s life, the more he learns about the Major’s many secrets and the list of people who could have wanted him dead grows even longer. Soon others connected to Sedgewick begin to die strange, brutal deaths and more evidence emerges that links Alexi to the crimes. Certain that Gibson will be implicated alongside his lover, Sebastian finds himself in a desperate race against time to stop the killings and save his friends from the terror of the gallows.

A seemingly idyllic summer picnic ends in a macabre murder that echoes a pair of slayings fourteen years earlier in this riveting new historical mystery from the USA Today bestselling author of Who Cries for the Lost. July 1815: The Prince Regent’s grandiose plans to celebrate Napoléon’s recent defeat at Waterloo are thrown into turmoil when Lady McInnis and her daughter Emma are found brutally murdered in Richmond Park, their bodies posed in a chilling imitation of the stone effigies once found atop medieval tombs. Bow Street magistrate Sir Henry Lovejoy immediately turns to his friend Sebastian St. Cyr, Viscount Devlin, for help with the investigation. For as Devlin discovers, Lovejoy’s own wife and daughter were also murdered in Richmond Park, their bodies posed in the same bizarre postures. A traumatized ex-soldier was hanged for their killings. So is London now confronting a malicious copyist? Or did Lovejoy help send an innocent man to the gallows? Aided by his wife, Hero, who knew Lady McInnis from her work with poor orphans, Devlin finds himself exploring a host of unsavory characters from a vicious chimney sweep to a smiling but decidedly lethal baby farmer. Also coming under increasing scrutiny is Sir Ivo McInnis himself, along with a wounded Waterloo veteran—who may or may not have been Laura McInnis’s lover—and a charismatic young violinist who moonlights as a fencing master and may have formed a dangerous relationship with Emma. But when Sebastian’s investigation turns toward man about town Basil Rhodes, he quickly draws the fury of the Palace, for Rhodes is well known as the Regent’s favorite illegitimate son. Then Lady McInnis’s young niece and nephew are targeted by the killer, and two more women are discovered murdered and arranged in similar postures. With his own life increasingly in danger, Sebastian finds himself drawn inexorably toward a conclusion far darker and more horrific than anything he could have imagined.

The gruesome murder of a prominent nobleman throws an already unsettled London into chaos in this electrifying new historical mystery by the USA Today bestselling author of What Cannot Be Said. August 1816. England is in the grip of what will become known as the Year Without a Summer. Facing the twin crises of a harvest-destroying volcanic winter and the economic disruption caused by the end of the Napoleonic Wars, the British monarchy finds itself haunted by the looming threat of bloody riots not seen since the earliest days of the French Revolution. Amidst the turmoil, a dead man is found hanging upside down by one leg in an abandoned chapel, his hands tied behind his back. The pose eerily echoes the image depicted on a tarot card known as Le Pendu, the Hanged Man. The victim—Lord Preston Farnsworth, the younger brother of one of the Regent’s boon companions—was a passionate crusader against what he called the forces of darkness, namely criminality, immorality, and sloth. His brutal murder shocks the Palace and panics the already troubled populace. Sebastian St. Cyr, Viscount Devlin, learns of the murder from a ragged orphan who leads him to the corpse and then disappears. At first, everyone in the dead man’s orbit paints Lord Preston as a selfless saint. But as Sebastian delves deeper into his life, he quickly realizes that the man had accumulated more than his fair share of enemies, including Major Hugh Chandler, a close friend who once saved Sebastian’s life. Sebastian also discovers that the pious Lord Preston may have been much more dangerous than those he sought to redeem. As dark clouds press down on the city and the rains fall unceasingly, two more victims are found, one strangled and one shot, with ominous tarot cards placed on their bodies. The killer is sending a gruesome message and Sebastian is running out of time to decipher it before more lives are lost and a fraught post-war London explodes.