The Keys of Death is Baker Street bedrock. In Gretchen Altabef’s 1880 novel, Sherlock Holmes, Doctor Watson, and Mrs. Hudson begin something great in the world.

Matthew Bartholomew, unorthodox but effective physician to Michaelhouse college in medieval Cambridge, is as worried as anyone about the pestilence that is ravaging Europe and seems to be approaching England. But he is distracted by the sudden and inexplicable death of the Master of Michaelhouse - a death the University authorities do not want investigated.

When Mrs. Hudson asks Holmes and Watson to find a missing girl, neither men expected what they would find. Along with Lestrade, they are plunged into a case of abduction and murder. As they race from Marylebone, to Finchley, to Wapping, and back again, time is running out for them to solve the case without further casualties. With two of their own under threat, the pressure is mounting to catch and stop the group known as "Hellfire Heirs".

When misadventure led a schoolboy in London to employment at Baker Street, few could have guessed where his introduction to Sherlock Holmes would lead. But as the lad matures and he finds himself caught in the middle of a murder investigation, his friendship with Holmes and Watson lures him into the role of detective. 'Billy' documents his experiences, and soon his sleuthing skills not only bring him to another murder, but also lay the foundation for his metamorphosis into a famous mystery writer.

More tales from the dispatch box of Doctor John Watson. These 10 stories have appeared previously in various volumes of The MX Book of New Sherlock Holmes Stories and other anthologies. They come together as a collection for the first time.

Sherlock Holmes' adventures continue in seven surprising cases. Holmes and Watson investigate an alleged haunting at the Diogenes Club, vandalism at a prominent art gallery, the case of a frightened amnesiac, the takeover of 221B by vicious criminals, the sequel to "The Engineer's Thumb," the defiling of Holmes' Stradivarius violin, and a Christmas story featuring a graveyard with angry insults carved into the headstones. The game is afoot!

These volumes are the complete Martin Hewitt stories, taking Arthur Morrison's original publications and presenting them as Sherlock Holmes adventures. If you are a fan of Holmes, enjoy! And by all means, seek out the original Hewitt stories and enjoy them as well.

From some clear pieces of glass and a raven's feather, the great detective must divine exactly who the client was and what prompted him to seek assistance at 221B. Fortunately, Holmes has a number of experts upon whom he can rely as well as his own vast store of esoteric knowledge. Treading a twisted path, Holmes soon finds himself matching wits with an unseen criminal, who appears to be the equal of the late Professor Moriarty. At the same time, he is tasked with sparing the monarchy any possible embarrassment that may stem from the investigation.

It has taken over 80 years, but at long last, the British government’s embargo on reporting this slice of diplomatic history has been lifted. It was in November 1940 that a senior minister at the British foreign office in blacked-out London commissioned Holmes and Watson to go to Berlin to negotiate a prisoner of war swap with the German high command. And the price demanded by Nazi Propaganda Minister, Joseph Göbbels, for any prisoner's release? That the two work with the Berlin police to capture a serial killer who is stalking the city’s railway network.

On the eve of Newgate Prison's demolition, Watson spies Holmes leaving a public sale of the prison's miscellany in the company of a beautiful stranger, and in possession of an unusual trophy–the death mask of a woman who, more than 20 years earlier, had been executed for the murder of her three children. Holmes agrees to satisfy Watson's curiosity about the memento by recounting the decades-old history of its subject.

Why Meiringen? Sherlock Holmes fans have always asked why did Holmes go to Meiringen? And did Moriarty follow him there? And if Holmes did not die in the Falls, what happened next? The familiar stories tell us little. For the first time, this book gives us the answers we've always wanted.

The apparition of a lady dressed in white and long thought dead, a deadly and shadowy form that wreaks terror on the heath, and a figure from the past who has accrued the power to commune with the dead! Here is collection of cases, some new, together with a few old favorites which sorely test Holmes' long-held beliefs to their very limits!

In real life, 221B Baker Street is the home of a bank. When fans send letters to Sherlock Holmes, bank employee Addy Zhuang, known as "Sherlock's Secretary," replies. One day, the bank is robbed, but the thieves only take three letters addressed to Sherlock Holmes. The police conclude it was all a harmless prank, but Addy suspects something more malicious is happening.

Enough time has passed. Dr. John Watson can finally reopen his tin box of chronicles. In this astonishing collection, a treasure trove of new accounts of Sherlock Holmes’s extraordinary skills finally comes to light. What is the connection between murderous attacks on a colonel’s wife and the legend of King Arthur? Why is a disgraced former ship captain stalking his neighbor? Who stole the statue of The Dying Gaul from a completely secure museum in Rome? Find the answers to these confounding mysteries and more in seven exhilarating new short stories.

Set in late January and early February of 1891, during the time that Professor Moriarty declares in The Final Problem that Holmes had "incommoded" his plans, Holmes and Watson are visited by two charwomen and retained to clear the name of a drunkard lighthouse keeper who has been arrested and charged with the murder of a German man in Tynemouth, England.

"There is a spirit that moves amongst us. They call him the Messenger of Death. And tonight... tonight... he called my name." The Loxworths are a family of clairvoyant mediums. Sitters at their seances are dying. Their deaths predicted by a mysterious entity known as The Messenger of Death. Holmes, Watson, and Lestrade must stop the deaths, before someone close to them becomes the next victim.

Holmes and Watson are on the trail of seemingly unrelated deaths preceded by sudden unexplained madness as they work to solve the case of the abominable worm. Are the deaths murders? And if so, what is the motive and who is responsible? Can Holmes and Watson solve the mystery of the abominable worm before her Majesty's navy experiences an unprecedented two-fold loss. Rebecca St. John has established herself as a force to be reckoned with in London's mysterious spiritual world and the hidden world of London's private clubs. But she wants more.

In Imogene and the Case of the Missing Pearls, a day after Imogene's obnoxious step-cousins pay a visit, her mother's pearls go missing. When Sherlock Holmes is called in, Imogene, harboring a secret desire to become a detective, sees her chance to learn from the great Mr. Holmes.

Emily Watson lives in a quaint English manor house with her twin sister, confined to a 20-mile radius around the estate for reasons she has never known. When the mysterious Professor Moriarty comes to visit and her sister goes missing, she discovers she is the half-sister of Dr. John Watson. Traveling to London to meet him, she finds that he is the biographer and flatmate of famed consulting detective Sherlock Holmes, in whom Professor Moriarty has expressed a sinister interest.

This is the story of Oscar Slater, a Jewish immigrant in Glasgow, Scotland and two fellow Scottish scammers, Helen Lambie and Patrick Nugent. In the Christmas season of 1908, the trio conspired to rob an elderly, wealthy lady of her diamonds, and, in the course of which burglary, Oscar Slater murdered her on December 21, 1908.

When a half-naked man is found gibbering on the moor, Sherlock Holmes uncovers a series of bizarre murders. At their heart lies a shadowy figure known only as The Sorcerer. He can talk to the dead, they say. He can bend any will to his own. Even a will as formidable as the detective's. The investigation leads from Dartmoor to Ireland and, ultimately, back to one of the most terrifying scenes of his career. Can Holmes survive the Reichenbach Falls a second time?

Sherlock Holmes has been a beloved character from his first story, and his mystique endures to the modern age in print and on screen, but he has had a long life in the theater, as well. Where did it begin? What are the themes, stories, and characterizations that make his stage presence unique and just as enduring?

On New Year's Day 1891, Sherlock Holmes summons the limping street urchin, Wiggins, to Baker Street and decrees he must die at dawn. Wiggins, however, has other plans. To fulfil the dying wish of his mother, Irene Adler, he schemes with his two formidable American aunties to keep two important facts from the great detective: Mrs. Hudson is actually his Aunt Grizelda, and he is both Holmes' child and a girl pretending to be a boy. Through a series of mysterious letters Adler bequeathed to Wiggins, the dark backstory of her parents and all their long-kept family secrets unravel.

June 1946. London, England. A murdered man. A mysterious woman. A note in another language. Irene Holmes, daughter of the long-retired Sherlock Holmes, used her unique talents of deduction and observation to assist her childhood friend Detective Eddy Lestrade with his cases during the war. With the war over, Eddy keeps her on as a consultant, finding her essential to solving crimes. During one of these cases, Irene meets Joe, a man who finds her instantly intriguing and has enough opinions of his own to keep up with her challenging personality.

Increasing numbers of crime shows and movies have featured detectives on the autism spectrum. Portrayals of such characters have been met with acclaim and criticism. Is the entertainment industry celebrating neurodiversity or is it reinforcing stereotypes? In The Autistic Sleuth, over two dozen characters appearing in filmed productions from around the globe will be analyzed to explore how film and television present atypical minds through some of the world's most popular detectives.

Sherlock Holmes is missing. Dr. Watson receives a cursed note, summoning him to the city of Milan. In his plight, he turns to the one person who can help him: Mycroft Holmes, secret agent and eternally concerned elder brother. Mycroft has to team up with Dr. Watson and fellow agent Victoria Trevor to follow Sherlock's trail and stand against the dark forces that threaten his life.

Sherlock Holmes thrives on danger. Sudden knife attacks, being stalked, and facing a network of assassins present little more than a cheery break in the monotony. But the enigmatic Lady Beatrice presents danger of a different kind. Is she a murderer or a potential victim? Or something even more perilous? Uncovering her secrets could change Holmes's life forever, and in ways even he cannot anticipate.

“From now on, I am going to be Sherlock Holmes, the World’s Greatest Cat Detective.” With those words, my friend Spot decided he would become a crime-solving kitty. “And you, of course,” he said dramatically, “will be my faithful friend, Dr. John Watson. The one who writes down all of my adventures and shares them with the world! We’ll be famous! Everyone will know the name ‘Sherlock Holmes, the World’s Greatest Cat Detective’!” I wasn’t too worried. I was sure that, by morning, Spot would have forgotten all about becoming Sherlock Holmes. Boy, was I wrong.

A Guide to Deduction is the ultimate handbook for any aspiring Sherlock Holmes or Watson. Building on the massively successful aguidetodeduction.tumblr.com, the book includes not only advice on deducing aspects of an individual, but a wide range of skills every detective needs. Learn how to build a mind palace, interrogate, and break codes on par with the world's only consulting detective.

Here are a few essays about puzzlers in and about Arthur Conan Doyle's Sherlock Holmes stories.