Astraia Holmes, sister of Sherlock, is baffled by a series of bizarre and brutal murders committed by a dragon-like assailant, and desperately wishing to impress her brother and solve the crimes, she teams up with a mysterious and brilliant young woman Madeleine Barquist. Sherlock suspects an ancient malevolence at work, and he fears for Astraia's safety. The signs point to a Chinese dragon god cult known as the Ya Zi, a warrior society originally formed 2,000 years ago to assassinate enemies of the emperor.

Mary Jekyll, alone and penniless following her parents' deaths, is curious about the secrets of her father's mysterious past. One clue in particular hints that Edward Hyde, her father's former friend and a murderer, may be nearby, and there is a reward for information leading to his capture...a reward that would solve all of her immediate financial woes. But her hunt leads her to Hyde's daughter, Diana, a feral child left to be raised by nuns.

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.

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.

Charles Lenox, Victorian gentleman and armchair explorer, likes nothing more than to relax in his private study with a cup of tea, a roaring fire and a good book. But when his lifelong friend Lady Jane asks for his help, Lenox cannot resist the chance to unravel a mystery. Prudence Smith, one of Jane's former servants, is dead of an apparent suicide. But Lenox suspects something far more sinister: murder, by a rare and deadly poison.

Victorian London is a cesspool of crime, and Scotland Yard has only 12 detectives - known as “The Murder Squad” - to investigate thousands of murders every month. Created after the Metropolitan Police’s spectacular failure to capture Jack the Ripper, The Murder Squad suffers rampant public contempt. They have failed their citizens. When Walter Day, the squad’s newest hire, is assigned the case of the murdered detective, he finds a strange ally in the Yard’s first forensic pathologist, Dr. Bernard Kingsley.

1920. Poppy Denby, an aspiring journalist, arrives in London to look after her ailing Aunt. She encourages Poppy to apply for a job at The Daily Globe, but on her first day, a senior reporter is killed and Poppy is tasked with finishing his story. It involves the mysterious death of a suffragette seven years earlier - an event some powerful people would prefer forgotten....

New York City, 1899. Tillie Pembroke’s sister lies dead, her body drained of blood and with two puncture wounds on her neck. Bram Stoker’s new novel, Dracula, has just been published, and Tillie’s imagination leaps to the impossible: the murderer is a vampire. But it can’t be - can it? A ravenous reader and researcher, Tillie has something of an addiction to truth, and she won’t rest until she unravels the mystery of her sister’s death.

Twelve-year-old Myrtle Hardcastle has a passion for justice and a highly unconventional obsession with criminal science. Armed with her father’s law books and her mum’s microscope, Myrtle studies toxicology and keeps abreast of the latest developments in crime scene analysis. When her next-door neighbor, a wealthy spinster and eccentric breeder of rare flowers, dies under mysterious circumstances, Myrtle seizes her chance. With her unflappable governess, Miss Ada Judson, by her side, Myrtle takes it upon herself to prove Miss Wodehouse was murdered.

The sole survivor of his family’s gruesome murder years earlier, poor little Ned Lawton has struggled to put the dark events behind him. So, when a brash New York detective darkens his doorway demanding an interview, the wealthy young gentleman immediately shuts him out. But a rash of murders in America are mirroring of the London killings, and Patrick Kelly knows Ned might be the key to stopping the bloodshed.

New York City, 1910. Invisible until she’s needed, Jane Prescott has perfected the art of serving as a ladies’ maid to the city’s upper echelons. Then she takes up a position with the Benchley family, dismissed by the city’s elite as "new money". The Benchleys cause further outrage when their daughter Charlotte becomes engaged to notorious playboy Norrie, the son of the eminent Newsome family. But when Norrie is found murdered at a party, Jane discovers she is uniquely positioned - she’s a woman no one sees, but who witnesses everything - and therefore has the tools to solve his murder.

In the cold Toronto winter of 1895, the naked body of a servant girl is found frozen in a deserted laneway. The young victim was pregnant when she died. Detective William Murdoch soon discovers that many of those connected with the girl's life have secrets to hide. Was her death on attempt to cover up a scandal in one of the city's influential families?

Lady Sophronia Bremerton is a far cry from the typical debutante, but she’s the toast of London’s upper class for one simple reason: she’s a society columnist for the London Illustrated News, and the gentry loves seeing their exploits printed in the gossip pages. But Sophie has bigger plans - she aspires to be an investigative reporter. When a stuffy ballroom during yet another Season proves to be nothing more than the usual rumor mill, Sophie seeks respite in the library, alongside four other young women who, for their own reasons, are also looking for escape.

After her father dies, March Middleton has to move to London to live with her guardian, Sidney Grice, the country's most famous private detective. It is 1882, and London is at its murkiest yet most vibrant, wealthiest yet most poverty-stricken. No sooner does March arrive than a case presents itself: A young woman has been brutally murdered, and her husband is the only suspect.

In a London slowly recovering from the ravages of World War II, two very different women join forces to launch a business venture in the heart of Mayfair - The Right Sort Marriage Bureau. Miss Iris Sparks, avuncular and unmarried, and Mrs. Gwendolyn Bainbridge, practical and widowed with a young son, are determined to achieve some independence and do some good in a rapidly changing world. But the promising start to their marriage bureau is threatened when their newest client is found murdered and the man arrested for the crime is the prospective husband they matched her with.

Felicity Carrol is interested in everything - except being a proper young matron of Victorian society. Brilliant and resourceful, Felicity took refuge in science and education after her mother died and her father abandoned her to servants. Now, all he wants is for her to marry into a family of status and money. Felicity has other ambitions - but her plans shudder to a halt when her mentor is murdered at the British Museum and his priceless manuscript of King Arthur lore is stolen.

Lady Sophronia Bremerton is a far cry from the typical debutante, but she’s the toast of London’s upper class for one simple reason: she’s a society columnist for the London Illustrated News, and the gentry loves seeing their exploits printed in the gossip pages. But Sophie has bigger plans - she aspires to be an investigative reporter. When a stuffy ballroom during yet another Season proves to be nothing more than the usual rumor mill, Sophie seeks respite in the library, alongside four other young women who, for their own reasons, are also looking for escape.

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?

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.

In the cold Toronto winter of 1895, the naked body of a servant girl is found frozen in a deserted laneway. The young victim was pregnant when she died. Detective William Murdoch soon discovers that many of those connected with the girl's life have secrets to hide. Was her death on attempt to cover up a scandal in one of the city's influential families?

Maisie Dobbs got her start as a maid in an aristocratic London household when she was thirteen. Her employer, suffragette Lady Rowan Compton, soon became her patron, taking the remarkably bright youngster under her wing. Lady Rowan’s friend, Maurice Blanche, often retained as an investigator by the European elite, recognized Maisie’s intuitive gifts. The outbreak of war changed everything. Ten years after the Armistice, in the spring of 1929, Maisie sets out on her own as a private investigator, one who has learned that coincidences are meaningful, and truth elusive.

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.

London, June 1860: When an assassination attempt is made on Queen Victoria, and a petty thief is gruesomely murdered moments later - and only a block away - Chief Detective Inspector Charles Field quickly surmises that these crimes are connected to an even more sinister plot. Was Victoria really the assassin's target? Are those closest to the Crown hiding something? Soon, Field's investigation exposes a shocking conspiracy in which the publication of Charles Darwin's On the Origin of Species sets off a string of murders, arson, kidnapping, and the pursuit of a diabolical madman.

Spring, 1905: Free-spirited like the Thoroughbreds she rides across the Kentucky countryside, Stella takes adventure by the reins when she's asked to attend a mysterious wedding in rural England. But once she arrives at the lush Morrington Hall estate, her cold and ambitious father confesses that he won't only give away his best racehorses as gifts - he has also arranged to give away his daughter as bride to the Earl of Atherly's financially strapped son. Stella refuses to be sold off like a prized pony. Yet despite a rough start, there's something intriguing about her groom-to-be.

It's the end of the roaring twenties, and the exuberant and Honourable Phryne Fisher is dancing and gaming with gay abandon. But she becomes bored with London and the endless round of parties. In search of excitement, she sets her sights on a spot of detective work in Melbourne, Australia. And so mystery and the beautiful Russian dancer, Sasha de Lisse, appear in her life. From then on it's all cocaine and communism until her adventure reaches its steamy end in the Turkish baths of Little Lonsdale Street.

After a whirlwind romance, London teashop waitress Fleur Richards can’t wait for her new husband, Hugh, to return from the Great War. But when word of his death arrives on Armistice Day, Fleur learns he has left her a sizable family fortune. Refusing to accept the inheritance, she heads to his beloved home country of Australia in search of the relatives who deserve it more.

From the award-winning author of The Day I Died and The Lucky One, a captivating suspense novel about nurses during World War II who come to Agatha Christie’s holiday estate to care for evacuated children, but when a body is discovered nearby, the idyllic setting becomes host to a deadly mystery.

Charles Lenox, Victorian gentleman and armchair explorer, likes nothing more than to relax in his private study with a cup of tea, a roaring fire and a good book. But when his lifelong friend Lady Jane asks for his help, Lenox cannot resist the chance to unravel a mystery. Prudence Smith, one of Jane's former servants, is dead of an apparent suicide. But Lenox suspects something far more sinister: murder, by a rare and deadly poison.

In serving the wealthy power brokers of New York society, Frank Tripp has finally gained the respectability and security his own upbringing lacked. There’s no issue he cannot fix...except for one: the beautiful and reckless daughter of an important client who doesn’t seem to understand the word danger. Excitement lies just below 42nd Street, and Mamie Greene is determined to explore all of it - while playing a modern-day Robin Hood along the way. What she doesn’t need is her father’s lawyer dogging her every step.

Tabby has a peculiar gift: She can communicate with the recently departed. It makes her special, but it also makes her dangerous. As an orphaned child, she fled with her sister, Alice, from their charlatan aunt Bellefonte, who wanted only to exploit Tabby's gift so she could profit from the recent craze for seances. Now a young woman and tragically separated from Alice, Tabby works with her adopted father, Eli, the kind caretaker of a large Boston cemetery.