When her husband goes "missing in action", Jemma James returns to the city of her birth to set up a private detective agency with her best friend, Roberta "Bobbie" Baker, with whom she shares a passionate love of Golden Age crime fiction. These two enterprising young women soon find themselves embroiled in a series of mysterious cases, shadowing blackmailers and bigamists, and investigating the perplexing history of a wealthy young woman who seems determined to wipe out her past. And it's not long before they stumble across an unsolved murder.

When the body of a young man is found stuffed into the tomb of a medieval knight, Parish Constable Daniel Haze is tasked with investigating his first solo murder case. Suspicion instantly falls on the only stranger to arrive in the village of Birch Hill just before the crime took place, but the American captain proves to be an unexpected asset. A former soldier and a skilled surgeon, Jason Redmond is not only willing to assist Haze with the investigation but will risk his own safety to apprehend the killer.

June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot at the hotel. Soon, rumors are flying in the cozy town that someone is on the hunt for a stolen ruby. A ruby that Kitty’s mother may well have possessed when she herself went missing during the Great War.

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.

England, 1920. Eleanor Swift has spent the last few years travelling the world: taking tea in China, tasting alligators in Peru, escaping bandits in Persia and she has just arrived in England after a chaotic 45-day flight from South Africa. Chipstone is about the sleepiest town you could have the misfortune to meet. But then, from the edge of a quarry, through the driving rain, Eleanor is shocked to see a man shot and killed in the distance. Before she can climb down to the spot, the villain is gone and the body has vanished.

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...

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 her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

Miss Busby helped Major Heathcliff Lennox solve a series of murders at Bloxford in the Cotswolds. Now, she finds herself drawn into a new murder, but this time, it's just her, and she must rely on her sharp mind and sharper wits to catch a Cotswolds killer, along with a handsome police inspector and a reporter who's keen to make her mark.

An atmospheric debut novel set on the gritty streets of Victorian London, Some Danger Involved introduces detective Cyrus Barker and his assistant, Thomas Llewelyn, as they work to solve the gruesome murder of a young scholar in London's Jewish ghetto. When the eccentric and enigmatic Barker takes the case, he must hire an assistant, and out of all who answer an ad for a position with "some danger involved", he chooses downtrodden Llewelyn, a gutsy young man with a murky past.

Detective Inspector Ian Hamilton is no stranger to Edinburgh's darkest crimes. Scarred by the mysterious fire that killed his parents, he faces his toughest case yet when a young man is found strangled in Holyrood Park. With little evidence aside from a strange playing card found on the body, Hamilton engages the help of his aunt, a gifted photographer, and George Pearson, a librarian with a shared interest in the criminal mind.

December 1927. Mystery-writer Marius Quin has one previous bestseller, endless looming mortgage payments, and no idea how to write his next book. When his childhood friend Lady Isabella Montague invites him to an intimate New Year’s Eve party hosted by a narcissistic actor, Marius seizes upon the distraction. With his perpetually glum Basset hound along for the ride, he navigates the snowy lanes to the opulent estate of Everham Hall. As the celebrations begin, fireworks light up the sky, champagne corks pop, and then the host is murdered…

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.

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 savagely murdered on the altar steps of an ancient church near Westminster Abbey. A dueling pistol found 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.

The year is 1920: Flying in the face of convention, legendary American adventuress Beryl Helliwell never fails to surprise and shock. The last thing her adoring public would expect is that she craves some peace and quiet. The humdrum hamlet of Walmsley Parva in the English countryside seems just the ticket. And, honestly, until America comes to its senses and repeals Prohibition, Beryl has no intention of returning stateside and subjecting herself to bathtub gin.

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 savagely murdered on the altar steps of an ancient church near Westminster Abbey. A dueling pistol found 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.

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.

It's 1727. Tom Hawkins is damned if he's going to follow in his father's footsteps and become a country parson. Not for him a quiet life of prayer and propriety. His preference is for wine, women, and cards. But there's a sense of honor there too, and Tom won't pull family strings to get himself out of debt - not even when faced with the appalling horrors of London's notorious debtors' prison: The Marshalsea Gaol.

London. A snowy December, 1888. Sherlock Holmes, 34, is languishing and back on cocaine after a disastrous Ripper investigation. Watson can neither comfort nor rouse his friend - until a strangely encoded letter arrives from Paris. Mlle La Victoire, a beautiful French cabaret star, writes that her illegitimate son by an English lord has disappeared, and she has been attacked in the streets of Montmartre.

In the year 1780, Harriet Westerman, the willful mistress of a country manor in Sussex, finds a dead man on her grounds with a ring bearing the crest of Thornleigh Hall in his pocket. Not one to be bound by convention or to shy away from adventure, she recruits a reclusive local anatomist named Gabriel Crowther to help her find the murderer, and historical suspense's newest investigative duo is born.

New York Times bestselling author Shirlee Busbee sweeps you into a breathtaking romance where a bold lady and a mysterious heir put their wits-and lives-to passion's ultimate test…An irresistible danger. To save her village and what's left of her family fortune from her wastrel cousin, gently bred Emily Townsend secretly leads a ring of smugglers. With the king's forces and deadly rivals closing in, she has but one last dangerous shipment to acquire.

It was whispered all through London Society that Ian Mackenzie was mad, that he’d spent his youth in an asylum, and was not to be trusted - especially with a lady. For the reputation of any woman caught in his presence was instantly ruined. Yet Beth found herself inexorably drawn to the Scottish lord, whose hint of a brogue wrapped around her like silk and whose touch could draw her into a world of ecstasy.

In Victorian England, orphan Mary Quinn lives on the edge. Sentenced as a thief at the age of 12, she’s rescued from the gallows by a woman posing as a prison warden. In her new home, Miss Scrimshaw’s Academy for Girls, Mary acquires a singular education, fine manners, and a surprising opportunity. The school is a cover for the Agency — an elite, top secret corps of female investigators with a reputation for results — and at 17, Mary’s about to join their ranks.

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.

Seventeen-year-old Anglet Sutonga lives repairing the chimneys, towers, and spires of the city of Bar-Selehm. Dramatically different communities live and work alongside each other. The white Feldish command the nation's higher echelons of society. The native Mahweni are divided between city life and the savannah. And then there's Ang, part of the Lani community who immigrated over generations ago as servants and now mostly live in poverty on Bar-Selehm's edges.

Joan Bennett is a breath away from being a spinster. She’s had four seasons without a suitor. After reading a shockingly sensuous book, Fifty Ways to Sin, Joan decides perhaps it’s time to stop being proper and start being sinful, while she’s still young enough to enjoy it. And what better partner than her brother’s drinking mate, Viscount Burke? He seems the type to know how to give a lady a lascivious adventure.

Sweden, 1732. Strong-willed Jess van Sandt knows only too well that it's a man's world. She believes she's being swindled out of her inheritance by her stepfather and she's determined to stop it. When help appears in the unlikely form of handsome Scotsman Killian Kinross, Jess finds herself both intrigued and infuriated by him. In an attempt to recover her fortune, she proposes a marriage of convenience.

Olivia Moreland prides herself on discrediting charlatans, particularly the false mediums that flock to London. But when Lord Stephen St. Leger requests her help in investigating an alleged psychic's claims, she can't deny the ominous feeling she has within the walls of his ancient estate - or the intimately familiar connection she has with Stephen himself. The last time he'd called Blackhope Hall home, Stephen had watched as his elder brother claimed both the family title and the woman he loved.

December 1918: As a difficult year draws to a close, there is much to celebrate for 19-year-old Phoebe Renshaw and her three siblings at their beloved family estate of Foxwood Hall. The dreadful war is finally over; eldest daughter Julia's engagement to their houseguest, the marquis of Allerton, appears imminent; and all have gathered to enjoy peace on Earth, goodwill toward men. But the peace of Foxwood Hall is shattered on the morning of Boxing Day, when the marquis goes missing.

After escaping a harsh school where punishment was the lesson of the day, 17-year-old Louisa Ditton is thrilled to find employment as a maid at a boardinghouse. But soon after her arrival at Coldthistle House, Louisa begins to realize that the house's mysterious owner, Mr. Morningside, is providing much more than lodging for his guests. Far from a place of rest, the house is a place of judgment, and Mr. Morningside and his unusual staff are meant to execute their own justice on those who are past being saved.