The iconic duo find themselves swiftly drawn into a series of puzzling and sinister events: an otherworldly stone whose touch inflicts fatal bleeding; a hellish potion to unlock a person’s devilish psyche; a fiendishly clever, almost undetectable method of revenge and many more—including a brand-new Cthulhu Casebooks story.

From the Supernatural Case Files of Sherlock Holmes London's most beloved detective encounters his most deadly foe, and the results will be unlike any Sherlock Holmes adventure before it!

It is the autumn of 1880, and Dr. John Watson has just returned from Afghanistan. Badly injured and desperate to forget a nightmarish expedition that left him doubting his sanity, Watson is close to destitution when he meets the extraordinary Sherlock Holmes, who is investigating a series of deaths in the Shadwell district of London. Several bodies have been found, the victims appearing to have starved to death over the course of several weeks, and yet they were reported alive and well mere days before.

From the brilliant pen of Agatha Christie comes two novels featuring the beloved sleuthing duo: In the The Secret Adversary, Tommy and Tuppence decide to embark on a daring business scheme: Young Adventurers Ltd. But they get more than they bargained for when their first assignment for the sinister Mr. Whittington draws them into a diabolical conspiracy. Set during the dark days of World War II, Agatha Christie’s N or M? puts two most unlikely espionage agents, Tommy and Tuppence Beresford, on the trail of a pair of Nazi spies who have murdered Britain’s top agent.

Three critically acclaimed recordings are joined together in this dazzling Agatha Christie Triple Bill, read by award-winning narrators Alison Larkin and James Warwick, star of the Partners in Crime TV series on Masterpiece Theater.

The year 1894. The monstrous Hound of the Baskervilles has been dead for five years, along with its no less monstrous owner, the naturalist Jack Stapleton. Sir Henry Baskerville is living contentedly at Baskerville Hall with his new wife, Audrey, and their three-year-old son, Harry. Until, that is, Audrey’s lifeless body is found on the moors, drained of blood. It would appear some fiendish creature is once more at large on Dartmoor and has, like its predecessor, targeted the unfortunate Baskerville family.

Internationally best-selling author Lyndsay Faye became enamored with tales of Sherlock Holmes and his esteemed biographer, Dr. John Watson, as a child and later began spinning these quintessential characters into her own works of fiction - from her acclaimed debut novel, Dust and Shadow, which pitted the famous detective against Jack the Ripper, to a series of short stories for the Strand Magazine, whose predecessor published the very first Sherlock Holmes short story in 1891.

Three linked crimes test Sherlock Holmes’ deductive powers, and his skepticism about the supernatural, to the limit.

January 1888: Dr. John H. Watson has returned to 221b Baker Street, just weeks after a personal tragedy has left him bereaved and bereft. Feeling like a broken man, his plans and dreams lying in ruin, he slowly tries to make his way forward, with the help of Sherlock Holmes and Mrs. Hudson. Unexpectedly, he finds himself standing in the path of a madman—who suddenly and irrationally blames Watson for his apparent defeat.

Summertime—as the temperature rises, so does the potential for evil. From Cornwall to the French Riviera, whether against a background of Delphic temples or English country houses, Agatha Christie’s most famous characters solve complicated puzzles as the stakes heat up. Pull up a deckchair and enjoy plot twists and red herrings galore from the bestselling fiction writer of all time.

A series of grisly murders rocks London. At each location, only a jumble of bones remains of the deceased, along with a bizarre sphere covered in strange symbols. The son of the latest victim seeks the help of Sherlock Holmes and his former partner, Dr. John Watson. They discover the common thread tying together the murders. Bizarre geometries, based on ancient schematics, enable otherworldly creatures to enter our dimension, seeking to wreak havoc and destruction.

Kurt Austin and his crew are back to slake their thirst for action as they attempt to drown an eco-extortionist's plan to control the world's freshwater supply. From deep within the Venezuelan rain forest emanates the legend of a white goddess and a mysterious tribe with startling technical accomplishments. Few believe the tribe exists, and even fewer suspect its deity can change the course of history.

In the 1980s and 1990s, the late Terry Golledge wrote 10 Holmes masterful pastiches that perfectly captured Dr. Watson's voice, as well as Holmes’ personality and methods. Mr. Golledge passed away in 1996, before these stories could be published. In early 2022, Terry’s son, Niel Golledge, reached out to Sherlockian editor David Marcum, who was electrified to read such wonderful previously lost tales about the heroes of Baker Street.

"When I say, therefore, that [my brother] has better powers of observation than I...I am speaking the exact and literal truth." (Sherlock Holmes). This story occurs when Mycroft, an athletic Cambridge graduate, assists the secretary of State. He becomes embroiled in a mystery in Trinidad based on actual history. Kareem Abdul-Jabbar is a huge Holmesian, seven-foot-two tall, basketball's all-time leading scorer, and a US cultural ambassador. Anna Waterhouse is a professional screenwriter and script consultant.

Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....

Maurice Leblanc, a writer of detective fiction during the same period as Sir Arthur Conan Doyle, created Arsene Lupin, a sort of French Robin Hood. An inventive genius, a master of disguise, and an accomplished actor, Lupin operates in the choice chateaux and salons. He scorns sham and with great disdain leaves his card in a baron's residence. The card reads, "Arsene Lupin, gentleman-burglar, will return when the furniture is genuine."

Maisie is an innocent six year-old, torn between her divorced parents, pathetically isolated yet tragically involved.

The never-before-told story behind the legend of Count Dracula! The story of the Count’s greatest love, Mina Harker, and the bloodthirsty vampire hunters whose cruel pursuit drove the master of the night to actions ever more ruthless. The Count Dracula sets the record straight.…

Breathless and painstakingly researched, this is a stunning debut mystery in which Sherlock Holmes unmasks Jack the Ripper. Lyndsay Faye perfectly captures all the color and syntax of Conan Doyle’s distinctive nineteenth-century London.

Constable Jackson Forge intends to make the world safer, or at least the streets of Victorian London. But that's Kit Turner's domain, a swindler who runs a crew that acquires money the old-fashioned way - conning the rich to give to the poor. When a local cab driver goes missing, Jackson is tasked with finding the man, and the only way to do that is by enlisting Kit's help. If Jackson doesn't find the cabby, he'll be fired. If Kit doesn't help Jackson, he’ll arrest her for thievery. Yet neither of them realize those are the least of their problems.

The Ancient Egyptian gods have defeated all the other pantheons and claimed dominion over the earth, dividing it into warring factions. Lt. David Westwynter, a British soldier, stumbles into Freegypt, the only place to have remained independent of the gods’ influence. There, he encounters the followers of a humanist leader known as the Lightbringer, who has vowed to rid mankind of the shackles of divine oppression. As the world heads towards an apocalyptic battle, there is far more to this freedom fighter than it seems.

In this carefully crafted novel, Dickens reveals the complexity of London society in the enterprising 1840s as he takes the listener into the business firm and home of one of its most representative patriarchs, Paul Dombey.

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.

In the late seventies an extraordinary document came to light which for fifty years had been held on deposit by the bankers of the deceased John Herbert Watson MD - better known to devotees of Conan Doyle as Dr Watson. A continuous narrative in the doctor’s own hand, the story opens in the East End of London in 1888. Three women have been savagely murdered by Jack the Ripper.

Boston, 1765: In D.B. Jackson's Thieftaker, revolution is brewing as the British Crown imposes increasingly onerous taxes on the colonies, and intrigue swirls around firebrands like Samuel Adams and the Sons of Liberty. But for Ethan Kaille, a thieftaker who makes his living by conjuring spells that help him solve crimes, politics is for others…until he is asked to recover a necklace worn by the murdered daughter of a prominent family.

It’s the autumn of 1890, and a spate of bombings has hit London. The newspapers are full of fevered speculation about anarchists, antimonarchists and Fenians. But one man suspects an even more sinister hand behind the violence. Sherlock Holmes believes Professor Moriarty is orchestrating a nationwide campaign of terror, but to what end? At the same time, a bizarrely garbed figure has been spotted on the rooftops and in the grimy back alleys of the capital.

The iconic duo find themselves swiftly drawn into a series of puzzling and sinister events: an otherworldly stone whose touch inflicts fatal bleeding; a hellish potion to unlock a person’s devilish psyche; a fiendishly clever, almost undetectable method of revenge and many more—including a brand-new Cthulhu Casebooks story.

It is 1890, and in the days before Christmas, Sherlock Holmes and Dr. John Watson are visited at Baker Street by a new client. Eve Allerthorpe, eldest daughter of a grand but somewhat eccentric Yorkshire-based dynasty, is greatly distressed, as she believes she is being haunted by a demonic Christmas spirit. Her late mother told her terrifying tales of the sinister Black Thurrick, and Eve is sure that she has seen the creature from her bedroom window. What is more, she has begun to receive mysterious parcels of birch twigs, the Black Thurrick’s calling card.

The year 1894. The monstrous Hound of the Baskervilles has been dead for five years, along with its no less monstrous owner, the naturalist Jack Stapleton. Sir Henry Baskerville is living contentedly at Baskerville Hall with his new wife, Audrey, and their three-year-old son, Harry. Until, that is, Audrey’s lifeless body is found on the moors, drained of blood. It would appear some fiendish creature is once more at large on Dartmoor and has, like its predecessor, targeted the unfortunate Baskerville family.

Three linked crimes test Sherlock Holmes’ deductive powers, and his skepticism about the supernatural, to the limit.