As the city prepares to celebrate Queen Victoria's golden jubilee, Veronica Speedwell is marking a milestone of her own. After burying her spinster aunt, the orphaned Veronica is free to resume her world travels in pursuit of scientific inquiry - and the occasional romantic dalliance. As familiar with hunting butterflies as she is fending off admirers, Veronica wields her butterfly net and a hatpin with equal aplomb, and with her last connection to England gone, she intends to embark upon the journey of a lifetime.

Let the wicked be ashamed, and let them be silent in the grave. These ominous words, slashed from the pages of a book of Psalms, are the last threat that the darling of London society, Sir Edward Grey, receives from his killer. Before he can show them to Nicholas Brisbane, the private inquiry agent he has retained for his protection, Sir Edward collapses and dies at his London home, in the presence of his wife, Julia, and a roomful of dinner guests.

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.

Billie, Mary Alice, Helen, and Natalie have worked for the Museum, an elite network of assassins, for 40 years. Now their talents are considered old-school and no one appreciates what they have to offer in an age that relies more on technology than people skills.

With a modest inheritance and the three gowns that comprise her entire wardrobe, Theodora leaves Edinburgh—and a disappointed suitor—far behind. She is bound for Romania, where tales of vampires are still whispered, to visit an old friend and write the book that will bring her true independence. She arrives at a magnificent, decaying castle in the Carpathians, replete with eccentric inhabitants, including the castle’s master, Count Andrei Dragulescu.

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.

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.

Twenty-six-year-old Beatrice Hyde-Clare is far too shy to investigate the suspicious death of a fellow guest in the Lake District. A spinster who lives on the sufferance of her relatives, she would certainly not presume to search the rooms of her host's son and his friend looking for evidence. Reared in the twin virtues of deference and docility, she would absolutely never think to question the imperious Duke of Kesgrave about anything, let alone how he chose to represent the incident to the local constable. And yet that's exactly what she does.

India Steele is desperate. Her father is dead, her fiancé took her inheritance, and no one will employ her, despite years working for her watchmaker father. Indeed, the other London watchmakers seem frightened of her. Alone, poor, and at the end of her tether, India takes employment with the only person who’ll accept her–an enigmatic and mysterious man from America. A man who possesses a strange watch that rejuvenates him when he’s ill.

England, 1865: Newspaper columnist Lady Katherine Bascomb finds herself the subject of speculation when her latest article leads to an arrest in the murders plaguing London. The English believe women ought not to write about such vulgar things as crime, and a particularly attractive detective inspector is incensed that she's interfered with his investigation. To escape her sudden notoriety, Katherine heads to the country - only to witness a murder upon her arrival.

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.

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.

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.

As half of the writing duo behind England’s most infamous crime column, Miss Caroline Hardcastle has quite the scandalous reputation. It may have cost her a fiancé, but she would much rather bring attention to crimes against those ignored by society than worry about what the ton thinks of her.

Unpacking her belongings in her new hometown of Portland, Oregon, herbalist and reformed alchemist Zoe Faust can't help but notice she's picked up a stowaway. Dorian Robert-Houdin is a living, breathing three-and-half-foot gargoyle - not to mention a master of French cuisine - and he needs Zoe's expertise to decipher a centuries-old text. Zoe, who's trying to put her old life behind her, isn't so sure she wants to reopen her alchemical past... until the dead man on her porch leaves her no choice.

As the city prepares to celebrate Queen Victoria's golden jubilee, Veronica Speedwell is marking a milestone of her own. After burying her spinster aunt, the orphaned Veronica is free to resume her world travels in pursuit of scientific inquiry - and the occasional romantic dalliance. As familiar with hunting butterflies as she is fending off admirers, Veronica wields her butterfly net and a hatpin with equal aplomb, and with her last connection to England gone, she intends to embark upon the journey of a lifetime.

Let the wicked be ashamed, and let them be silent in the grave. These ominous words, slashed from the pages of a book of Psalms, are the last threat that the darling of London society, Sir Edward Grey, receives from his killer. Before he can show them to Nicholas Brisbane, the private inquiry agent he has retained for his protection, Sir Edward collapses and dies at his London home, in the presence of his wife, Julia, and a roomful of dinner guests.

Famed aviatrix Evangeline Starke never expected to see her husband, adventurer Gabriel Starke, ever again. They had been a golden couple, enjoying a whirlwind courtship amid the backdrop of a glittering social set in prewar London until his sudden death with the sinking of the Lusitania. Five years later, beginning to embrace life again, Evie embarks upon a flight around the world, collecting fame and admirers along the way. In the midst of her triumphant tour, she is shocked to receive a mysterious - and recent - photograph of Gabriel.

On the verge of a stilted life as an aristocrat's wife, Poppy Hammond does the only sensible thing - she flees the chapel in her wedding gown. Assisted by the handsome curate who calls himself Sebastian Cantrip, she spirits away to her estranged father's quiet country village, pursued by the family she left in uproar. But when the dust of her broken engagement settles and Sebastian disappears under mysterious circumstances, Poppy discovers there is more to her hero than it seems.

The Monastery at Whitby is ruled over by the powerful and independent Abbess Hild. But when she needs someone to confide in, she turns to the honest warmth of her friend Fridgyth, the half-pagan herb-wife. A divisive and life-altering decision taken at the Great Synod is swiftly overshadowed as the monastery is ravaged by a deadly plague. As she tends the sick, Fridgyth starts to suspect that not all the deaths are natural. Despite Hild's stern warnings "not to meddle" she sets out to investigate.

In 1814, Atlas Catesby, a brilliant adventurer and youngest son of a baron, is anxious to resume his world travels after a carriage accident left him injured in London. But his plans are derailed when, passing through a country village, he discovers a helpless woman being auctioned off to the highest bidder - by her husband. In order to save her, Atlas purchases the lady, Lilliana, on the spot to set her free. But Lilliana, desperate to be with her young sons and knowing the laws of England give a father all parental rights, refuses to be rescued.

Twenty-six-year-old Beatrice Hyde-Clare is far too shy to investigate the suspicious death of a fellow guest in the Lake District. A spinster who lives on the sufferance of her relatives, she would certainly not presume to search the rooms of her host's son and his friend looking for evidence. Reared in the twin virtues of deference and docility, she would absolutely never think to question the imperious Duke of Kesgrave about anything, let alone how he chose to represent the incident to the local constable. And yet that's exactly what she does.

Determined to find the men responsible for her disgraced father's murder, Lady Arianna Hadley disguises herself as a man and contrives to be hired as a chef in one of London's aristocratic households. But when the prince regent is poisoned by Arianna's special chocolate dessert, she finds her own quest has become intertwined with a far more deadly intrigue. The earl of Saybrook is asked by the government to investigate. When someone tries to kill them both, they become reluctant allies in the hunt to discover what evil is afoot.

With her inquisitive mind, Charlotte Holmes has never felt comfortable with the demureness expected of the fairer sex in upper class society. But even she never thought that she would become a social pariah, an outcast fending for herself on the mean streets of London. When the city is struck by a trio of unexpected deaths and suspicion falls on her sister and her father, Charlotte is desperate to find the true culprits and clear the family name. She’ll have help from friends new and old—a kind-hearted widow, a police inspector, and a man who has long loved her.

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, October 1886: Trapped in a troubled marriage, Lucy Lawrence is ripe for an adventure. But when she meets the enigmatic Phineas Stone, over the body of her husband in the mortuary, her world begins to fall apart. When her late husband's secrets spill from the grave and her life is threatened by the leader of London's most notorious gang, Lucy must find the strength to rise to the challenge. But who can she trust, and how is she to stay out of the murderous clutches of London's most dangerous criminal?

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.

The shocking murder of Sir Henry Claybourne leaves Regency London shaken and horror-struck. But for genteel spinster Miss Emmeline St. Germaine, the crime slices far too close to home. Just hours before the knight's death she held a dagger to him, threatening him to stay silent as she rescued a scullery maid he had procured for his pleasure. Did the man - or woman - who murdered the knight know of her visit? Her secret identity at risk, her reputation and life in jeopardy, Emmeline must solve the crime or face scandalous exposure and ruination for a crime she did not commit.

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...

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.