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.

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.

A breakdown in the strategic balance during the last decade of the Cold War prompts the Kremlin into launching an elaborate plan to insert a "dirty bomb" in the island of Manhattan, and blow it off the face of the Earth in in the event of nuclear war. Marlon Berkowitz, a retired special forces colonel, is selected by the U.S. State Department of Defense to shape and lead The Quadrille, a shadow-network of expendable undercover operatives tasked with the elimination of all Soviet nuclear saboteurs operating on U.S. soil.

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.

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.

"Of all the conundrums that have puzzled Sherlockian scholars, few have been thornier than the "vexed question" of Dr. Watson's wives. In these ten stories, listeners will meet the all-but-unknown women who preceded and succeeded Mary Morstan, as well as learning more about poor Mary's fate. Other cases involve Our Heroes with all levels of Victorian society, including prime ministers and prostitutes, aristocrats and generals, amateur sleuths and Scotland Yarders, composers, novelists, and even ghosts.

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.

A client forsworn, a threatened town, and a Goliath of unimaginable proportions. Sherlock Holmes has survived a three-year vendetta against him by Moriarty’s remaining henchmen. Wounded and bleeding, with Mycroft’s help, he clandestinely boards an Atlantic steamship. At the close of his great hiatus, Holmes finds sanctuary at Vassar Women’s College. This radical challenge entangles him in the web of a nefarious mystery. Its unraveling involves New York’s most revolutionary residents: Elizabeth Cady Stanton and Susan B. Anthony.

Are librarians meek and mild bookish types with orthopedic shoes and granny glasses? Or are they ruthless killers with voracious appetites for wine, women, and song? Can a young widow solve a murder with the help of a Chicago policeman and an affinity for Sherlock Holmes? The Murder in the Library reveals all. It is elementary, my dears.

Graceland Cemetery is one of Chicago's most outstanding memorial grounds. It's like a little town with a private lake and mausoleums lining its streets. The funerary architecture is spectacular. Here lie Chicago's deceased: baseball players, boxers, ballerinas, fire victims, detectives, politicians, department store owners, and inventors. They passed through nature and on to eternity, but not without a pawky connection to Sherlock Holmes.

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.

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.

“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.

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.

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