His name was Feliks. He came to London to commit a murder that would change history. A master manipulator, he had many weapons at his command, but against him were ranged the whole of the English police, a brilliant and powerful lord, and the young Winston Churchill himself. These odds would have stopped any man in the world - except the man from St. Petersburg.

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.

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.

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....

Three seemingly separate crimes, three detectives. A mysterious stalker is on the loose in London known only as the Goblin Man and his sights are set on a wealthy businessman, David Daniels. A horrific explosion rips through Whitechapel Underground Station and the prime suspect is a Jewish anarchist. And a Mrs. Clara Edwards is searching for her missing lover, Philias Jackson. What connects these three?

In the year 1933, an elderly Dr. John Watson is looking back over his life and his time spent with his brilliant friend and master of deduction Sherlock Holmes. He writes in a letter to the listener that he has assembled a list of seven untold adventures that span from his and Sherlock's early years until the time of Sherlock's retirement. Watson explains that he wishes to leave, not only his family, but the public with a final compilation of adventures that he and Sherlock shared while he is still able.

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.

Sydney, 1946. Though war correspondent Billie Walker is happy to finally be home, for her the heady postwar days are tarnished by the loss of her father and the disappearance in Europe of her husband, Jack. To make matters worse, now that the war is over, the newspapers are sidelining her reporting talents to prioritize jobs for returning soldiers. But Billie is a survivor and she's determined to take control of her own future. So, she reopens her late father's business, a private investigation agency, and, slowly, the women of Sydney come knocking.

When a magical plague is released in a Depression-era New York soup kitchen, private detective Alex Lockerby finds himself in a desperate hunt to catch a madman before he can strike again. His investigations lead Alex to a famous thief, a daring heist, and the search for a mythic book of ancient magic, but none of that brings him any closer to finding the man responsible for the massacre. With the police and New York’s Council of Sorcerers desperate to find the culprit, Alex becomes a suspect himself, thanks to his ties to the priest who ran the soup kitchen.

There is a persistent and incorrect idea, reinforced by countless film misrepresentations, that Sherlock Holmes and Dr. Watson were always staid and dull British chaps of middle years (or older), with Holmes a spry, cranky, and impatient eccentric, and Watson a white-haired and portly Boobus Brittanicus, a la Nigel Bruce. Students of the true and Canonical Sherlock Holmes know this to be a falsehood.

From humble beginnings in Ireland, William Melville has risen through hard work, intelligence, and occasional brute force to become head of Scotland Yard’s Special Branch, personal bodyguard to Queen Victoria and her family, and the scourge of anarchists at home and abroad. But when the aged Queen dies in January 1901 and the crowned heads of Europe converge on London for her funeral, Melville learns of a conspiracy, led by a mysterious nihilist known only as Akushku, to assassinate Kaiser Wilhelm of Germany at the ceremony.

Captain Sam Wyndham, former Scotland Yard detective, is a new arrival to Calcutta. Desperately seeking a fresh start after his experiences during the Great War, Wyndham has been recruited to head up a new post in the police force. He is immediately overwhelmed by the heady vibrancy of the tropical city, but with barely a moment to acclimatize or to deal with the ghosts that still haunt him, Wyndham is caught up in a murder investigation that threatens to destabilize a city already teetering on the brink of political insurgency.

As India celebrates the arrival of a momentous new decade, Inspector Persis Wadia stands vigil in the basement of Malabar House, home to the city's most unwanted unit of police officers. Six months after joining the force she remains India's first female police detective, mistrusted, sidelined and now consigned to the midnight shift. And so, when the phone rings to report the murder of prominent English diplomat Sir James Herriot, the country's most sensational case falls into her lap.

Singapore, 1910 - Desperate for a fresh start, Harriet Gordon finds herself living with her brother, a reverend and headmaster of a school for boys, in Singapore at the height of colonial rule. Hoping to gain some financial independence, she advertises her services as a personal secretary. It is unfortunate that she should discover her first client, Sir Oswald Newbold - explorer, mine magnate, and president of the exclusive Explorers and Geographers Club - dead with a knife in his throat.