England, 1914. Joanna Blalock's keen mind and incredible insight lead her to become a highly skilled nurse, one of the few professions that allow her to use her finely tuned brain. But when she and her 10-year-old son witness a man fall to his death, apparently by suicide, they are visited by the elderly Dr. John Watson and his charming, handsome son, Dr. John Watson Jr. Impressed by her forensic skills, they invite her to become the third member of their investigative team.

When a young nurse dies on her watch, Florence Nightingale must uncover the deep-hidden secrets someone will kill to keep buried. It is 1853. Lady of the Lamp Florence Nightingale has just accepted the position of superintendent of the Establishment for Gentlewomen during Temporary Illness in London. She has hardly had time to learn the names of the nurses in her charge when she suddenly finds one of them hanging in the establishment's library. Her name was Nurse Bellamy.

Following the death of her husband, Lady Darby has taken refuge at her sister's estate, finding solace in her passion for painting. But when one of the house guests is murdered, her brother-in-law asks her to aid the insufferable Sebastian Gage - a fellow guest with some experience as an inquiry agent. While Gage is clearly more competent than she first assumed, Kiera isn't about to let her guard down, as accusations and rumors swirl.

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...

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.

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.

One spring evening in 1884, beautiful young courtesan Lola Deslys discovers the lifeless body of a chambermaid hidden in the gardens of the Hôtel Beau Rivage in Cannes. Even more distressing is that Lola knows the girl well. When the inquiry into her murder fails to reveal a single substantial clue, Lola is persuaded by novelist Guy de Maupassant to delve into the case on her own. Eager to exert her independence and defy conventions, Lola agrees. But she needs help in her investigation, and there’s no better partner in her pursuit - however unlikely - than Miss Gabriella Fletcher, a highborn, well-educated, and currently disgraced English governess.

England. 1923. After a year away at finishing school where she learned etiquette, deportment, and the difference between a fish fork and a salad one, Kitty Worthington is eager to return home. But minutes after she and her brother Ned board the Golden Arrow, the unthinkable happens. A woman with a mysterious connection to her brother is poisoned, and the murderer can only be someone aboard the train. When Scotland Yard hones on Ned as the main suspect, Kitty sets out to investigate.

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.

Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

London 1815. Newly widowed Lily Adler is returning to a society that frowns on independent women. At a ball thrown by her oldest friend, Lady Walter, she expects the scandal, gossip, and secrets. What she doesn't expect is the dead body in Lady Walter's garden. Lily overheard the man just minutes before he was shot: young, desperate, and attempting blackmail. But she's willing to leave the matter to the local constables - until Lord Walter bribes the investigating magistrate to drop the case. Stunned, Lily realizes she's the only one with the key to catching the killer.

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.

Owned by a ruthless Assassin Lord, Scarlett Monrhoe and her two sisters have been trained since they were children to torture and take life. They are the most feared trio on the continent, but they are also wild and unpredictable. A tragic night has Scarlett finding herself locked away in a noble's household, trapped and forgotten, until she's ready to fall into line.

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.

When young Tyballis discovers her husband has been arrested for murder, she is delighted. As a young orphan coerced to marry her abusive neighbor, she was horribly used. Now is her chance to be rid of him for good and find the confidence she never had. When Tyballis joins forces with the motley network of Andrew’s informers and thieves, they are lured into the dark and dangerous world of medieval London’s political intrigue and back alley slums.

Bea is a lowly cabbage fairy, but she dreams of being an official Fairy Godmother. So when she is finally given a chance to prove her worth, Bea is determined to make a success of it. Besides, how hard can a Happy Ever After story be? Every girl wants to be rescued by a handsome man, don’t they? Apparently not. Bea's heroine doesn't want to be in her story, and her hero is much more interested in the ugly sister. The same ugly sister who is trying to overthrow the Kingdom.

As the Great Blizzard of 1888 cripples the vast machinery that is New York City, heiress Prudence MacKenzie sits anxiously within her palatial Fifth Avenue home waiting for her fiance's safe return. But the fearsome storm rages through the night. With daylight, more than 200 people are found to have perished in the icy winds and treacherous snowdrifts. Among them is Prudence's fiancé - his body frozen, his head crushed by a heavy branch, his fingers clutching a single playing card, the ace of spades.

London, 1888: Susannah rushes into marriage to a young and wealthy surgeon. After a passionate honeymoon, she returns home with her new husband wrapped around her little finger. But then everything changes. Thomas' behaviour becomes increasingly volatile and violent. He stays out all night, returning home bloodied and full of secrets. The gentle caresses she enjoyed on her wedding night are now just a honeyed memory.

England, 1882. Evelyn is bored with society and its expectations. So when her beloved sister, Rose, mysteriously vanishes, she ignores her parents and travels to London to find her, accompanied by the dashing Mr. Kent. But they're not the only ones looking for Rose. The reclusive young gentleman Sebastian Braddock is also searching for her, claiming that both sisters have special healing powers. Evelyn is convinced that Sebastian must be mad, until she discovers that his strange tales of extraordinary people are true.

When a murder is committed, a lady's companion finds herself in the role of amateur sleuth...1789, London: When Emily Fanshawe, Marchioness of Polbrook, is found strangled in her bedchamber, suspicion immediately falls on those residing in the grand house in Hanover Square. Emily's husband - Randal Fanshawe, Lord Polbrook - fled in the night and is chief suspect - much to the dismay of his family. Ottilia Draycott is brought in as the new lady's companion to Sybilla, Dowager Marchioness, and soon finds herself assisting younger son Lord Francis Fanshawe in his investigations.

Before Jack the Ripper terrorised London, Police Inspector Samuel Ravenscroft patrolled the streets of Whitechapel. Clever and hard-working, Ravenscroft nonetheless has the worst record in the force. He lets a murderer escape during a chase and is banished to the spa town of Malvern for a water treatment to cure his asthma. Ravenscroft accepts a dinner invitation from a new acquaintance, Jabez Pitzer. Before dinner, the maid finds Pitzer slumped over his desk - dead. Ravenscroft immediately recognises the signs - Pitzer has been poisoned.

A wealthy and notorious clan, the Bellefleurs live in a region not unlike the Adirondacks, in an enormous mansion on the shores of mythic Lake Noir. They own vast lands and profitable businesses, they employ their neighbors, and they influence the government. A prolific and eccentric group, they include several millionaires, a mass murderer, a spiritual seeker who climbs into the mountains looking for God, a wealthy noctambulist who dies of a chicken scratch.

Major Robert Kurland has returned to the quiet vistas of Kurland St. Mary to recuperate from the horrors of Waterloo. However injured his body may be, his mind is as active as ever. Too active, perhaps. When he glimpses a shadowy figure from his bedroom window struggling with a heavy load, the tranquil façade of the village begins to loom sinister....

Dying is the only thing people do with any regularity, and Fiona makes her indecorous living cleaning up after the corpses are carted away. Her childhood best friend, Mary, was the last known victim of Jack the Ripper. It's been two years since Fiona scrubbed Mary's blood from the floorboards, and London is no longer buzzing about the Ripper, but Fiona hasn't forgotten. When she's called to a murder in the middle of the night, Fiona finds a victim mutilated in an eerily similar fashion to those of the Ripper, and only a few doors down from Mary's old home.

Tamsyn Pride knows someone–or something–killed her grandmother. But every attempt she makes to catch the killer is met with whispers behind her back and suspicious looks. In the sleepy village of Much Wenlock, everyone has a secret. Everyone has something to hide.

Thirteenth-century Bohemia is a dangerous place for a girl, especially one as odd as Mouse, born with unnatural senses and an uncanny intellect. Some call her a witch. Others call her an angel. Even Mouse doesn't know who - or what - she is. But she means to find out. When young King Ottakar shows up at the Abbey wounded by a traitor's arrow, Mouse breaks church law to save him and then agrees to accompany him back to Prague as his personal healer.

London, 1851, and the Great Exhibition is on. A soaring success despite months of dour predictions, it is the event of the year, on front pages and wagging tongues the world over—and Miss Kara Levett is thrilled to be in the middle of it. The daughter of a baron and an exhibitor herself, she happily demonstrates her elaborate automatons and case clocks to the crowds. But her situation grows perilous when a man is murdered in the Crystal Palace and she becomes the prime suspect.

When she arrives at the hall, shaken by an unsettling disturbance that occurred during her travels, she is greeted by the two children now in her care, Isabella and Eustace. There is no adult present to represent her mysterious employer, and the children offer no explanation. Later that night in her room, another terrifying experience further reinforces the sense that something is very wrong. From the moment Eliza rises the following morning, her every step seems dogged by a malign presence that lives within Gaudlin's walls.

Five years ago Susannah Harper's son, Joel, went missing without trace. Bereft of her son and then of her husband, Susannah has rebuilt her life around helping others. But then, on the last night of Hull Fair, a fortune-teller makes an eerie prediction. She tells her that this Christmas Eve, Joel will finally come back to her. As her carefully constructed life begins to unravel, Susannah is forced to confront the buried truths of her family's past.