She's an unconventional lady who has traveled the world, practices the art of self-defense most excellently, and has an interesting tattoo in—ahem—a very unusual place. He's a former member of the Metropolitan Police, now a private investigator, who grew up on the poverty-ridden streets of Edinburgh and has worked the dangerous back alleys of London's notorious East End. A vicious murder brings them together in a race against time that takes them from the sordid back streets of London into the elite private clubs of the powerful and rich.

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…

Left with an estate on the brink of bankruptcy after their father's death, Lady Marigold Fairfax and her brother open a private investigation firm marketed to the elite . . . to spy on the elite. Dubbed The Imposters, Ltd., their anonymous group soon becomes the go-to for the crème of society when they want answers delivered surreptitiously. But the many secrets Marigold learns about her peers pale in comparison to her shock when she and her brother are hired to investigate her best friend's father as a potential traitor.

Cornwall, 1730: A young girl known only as Red travels with her father making a living predicting fortunes using the ancient Cornish method of the Square of Sevens. Shortly before he dies, her father entrusts Red’s care to a gentleman scholar, along with a document containing the secret of the Square of Sevens technique.

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.

The year is 1896, and college professor Concordia Wells has her hands full: teaching classes, acting as live-in chaperone to a cottage of lively female students, and directing the student play, Macbeth. But mystery and murder are not confined to the stage, especially when the death of Concordia's sister, Mary, appears to be foul play. To make matters worse, the women's college is plagued by malicious pranks, arson, money troubles, and the apparent suicide of a college official.

Seraphina Winyard is something feared by many…a woman mage. When she comes of age, Sera is determined to seize control of her life, but she faces opposition from an unknown opponent.

The new season is starting and the Master of Ceremonies is missing. Max, an Arbiter of the Split Worlds Treaty, is assigned with the task of finding him - with no one to help but a dislocated soul and a mad sorcerer. There is a witness, but his memories have been bound by magical chains only the enemy can break. A rebellious woman trying to escape her family may prove to be the ally Max needs. But can she be trusted? And why does she want to give up eternal youth and the life of privilege she’s been born into?

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.

Fitzwilliam Darcy is a powerful magician who controls fire, water, and wind. What he cannot control is his growing feelings for Miss Elizabeth Bennet. Elizabeth's sentiments towards Darcy are quite different. She detests his arrogance, and she fears he will expose her use of forbidden magic - forbidden to women, that is. He is the last man in the world she would choose to help her on a difficult and dangerous task. But when a magical war looms between the land of Faerie and their world, a Lord of Faerie demands that Darcy and Elizabeth serve together as his emissaries to make peace.

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.

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.

Below Forsaken Mountain, a plot is being hatched to overthrow the tyrant king of Trollus, and Marc is the right-hand man of its leader. His involvement is information more than one troll would kill to possess, which is why he must keep it a secret from everyone, even the girl he loves. After accidentally ruining her sister's chance to become queen, Pénélope is given one last opportunity by her father, the Duke d'Angoulême, to make herself useful: she must find proof that the boy she's in love with is conspiring against the crown.

Evan Eldridge never meant to be a war hero - he just wanted to fight Napoleon for the future of his country. And he certainly didn't think that saving the life of a peer would mean being made the Earl of Whitelock. But when the life you save is dear to the Prince Regent, things can change in a hurry. Now Evan has a new title, a manor house in shambles, and a stranger for a bride, all thrust upon him by a grateful ruler. What he doesn't have are all his memories. Traumatized as a result of his wounds and bravery on the battlefield, Evan knows there's something he can't quite remember.

It’s 1875, and Alva Webster has perfected her stiff upper lip after three years of being pilloried in the presses of two continents over fleeing her abusive husband. Now his sudden death allows her to return to New York to make a fresh start, restoring Liefdehuis, a dilapidated Hyde Park mansion, and hopefully her reputation at the same time. However, fresh starts aren’t as easy as they seem, as Alva discovers when stories of a haunting at Liefdehuis begin to reach her.

The new season is starting and the Master of Ceremonies is missing. Max, an Arbiter of the Split Worlds Treaty, is assigned with the task of finding him - with no one to help but a dislocated soul and a mad sorcerer. There is a witness, but his memories have been bound by magical chains only the enemy can break. A rebellious woman trying to escape her family may prove to be the ally Max needs. But can she be trusted? And why does she want to give up eternal youth and the life of privilege she’s been born into?

Fitzwilliam Darcy is a powerful magician who controls fire, water, and wind. What he cannot control is his growing feelings for Miss Elizabeth Bennet. Elizabeth's sentiments towards Darcy are quite different. She detests his arrogance, and she fears he will expose her use of forbidden magic - forbidden to women, that is. He is the last man in the world she would choose to help her on a difficult and dangerous task. But when a magical war looms between the land of Faerie and their world, a Lord of Faerie demands that Darcy and Elizabeth serve together as his emissaries to make peace.

Newly returned from finishing school, Lady Juliette Thorndike is ready to debut in London society. Due to her years away, she hasn't spent much time with her parents, and sees them only as the flighty, dilettante couple the other nobles love. But when they disappear, she discovers she never really knew them at all. They've been living double lives as government spies-and they're only the latest in a long history of espionage that is the family's legacy.

Below Forsaken Mountain, a plot is being hatched to overthrow the tyrant king of Trollus, and Marc is the right-hand man of its leader. His involvement is information more than one troll would kill to possess, which is why he must keep it a secret from everyone, even the girl he loves. After accidentally ruining her sister's chance to become queen, Pénélope is given one last opportunity by her father, the Duke d'Angoulême, to make herself useful: she must find proof that the boy she's in love with is conspiring against the crown.

From Italy in 1733 to Edinburgh in 1831 to a series of chilling murders in London in 1870 and a lethal game of revenge decades later, a watch touches lives with misfortune - until it comes into the hands of one young woman who might be able to stop it for good. This outstanding collaboration between four outstanding novelists follows characters who are irrevocably linked by fate, each one playing a key role in breaking the curse once and for all.

Andalin is accustomed to her father’s frequent travels - and to being left behind. So when he returns home and instructs her to pack her belongings, she is bewildered - but there is no time for questions as she is whisked away on a mysterious journey under the cover of night. When their tense flight leads them into the forbidding Black Forest, the pair quickly finds themselves in great peril. With little hope of escape, father and daughter are spared when rescue appears in the form of the mysterious Dark Rider, a notorious deadly highwayman feared by all he meets.

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.

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.

Mistletoe is beautiful and dangerous, much like the woman from Lord Frederick’s Percy’s past, so when he turns over a new leaf and arranges to marry for his estate, instead of his heart, he never expects the wrong bride to be the right choice. Gracelynn Ferguson never expected to take her elder sister’s place as a Christmas bride, but when she’s thrust into the choice, she will trust in her faithful novels and overactive imagination to help her not only win Frederick’s heart but also to solve the murder mystery of Havensbrook Hall.

Cordelia Carstairs is a Shadowhunter, a warrior trained since childhood to battle demons. When her father is accused of a terrible crime, she and her brother travel to London in hopes of preventing the family’s ruin. Cordelia’s mother wants to marry her off, but Cordelia is determined to be a hero rather than a bride. Soon Cordelia encounters childhood friends James and Lucie Herondale and is drawn into their world of glittering ballrooms, secret assignations, and supernatural salons, where vampires and warlocks mingle with mermaids and magicians.

The orphaned Elsie Camden learned as a girl that there were two kinds of wizards in the world: those who pay for the power to cast spells and those, like her, born with the ability to break them. But as an unlicensed magic user, her gift is a crime. Commissioned by an underground group known as the Cowls, Elsie uses her spellbreaking to push back against the aristocrats and help the common man. Elite magic user Bacchus Kelsey is one elusive spell away from his mastership when he catches Elsie breaking an enchantment. To protect her secret, Elsie strikes a bargain.

Jack Langdon has always suppressed his talent for sorcery. But his marriage to Abigail, a skilled wizard, ignites his passion and opens doorways he never imagined.

When Felicity Thurston is caught alone with a man at a ball, she must marry him to avoid a ruined reputation. But what she doesn't know is that he's the brother of the man she loves.

Once upon a time in Mayfair a group of wallflowers formed a secret society with goals that had absolutely nothing to do with matrimony. Their most troublesome obstacle? Rogues! They call her Beastly Beatrice. Wallflower Lady Beatrice Bentley longs to remain in the wilds of Cornwall to complete her etymological dictionary. Too bad her brother’s Gothic mansion is under renovation. How can she work with an annoyingly arrogant and too-handsome rogue swinging a hammer nearby?

When a maid in the upper class Ellison household is strangled, Inspector Pitt is called in to investigate. He finds a world ruled by strict manners and social customs, where the inhabitants of the Ellison's neighborhood appear to be more outraged by the thought of scandal than they are by murder. Inspector Pitt finds a most unlikely ally in Charlotte, the Ellison's spirited daughter. But as the murders continue, Charlotte and Pitt find themselves drawn together by more than the investigation.