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The story centers on a murder in Forest Row, where a man is killed with a harpoon, prompting Inspector Stanley Hopkins to seek Holmes's expert assistance.

Unlike most stories narrated by Dr. Watson, this one is told mainly by Holmes himself, with Watson providing the introduction. It's one of Holmes's earliest cases, showcasing his deductive skills. Here, Holmes reviews old records and recounts the case of Reginald Musgrave, an old university acquaintance, who seeks help after strange events at his family estate, Hurlstone. The Musgraves have a centuries-old ritual where each eldest son must memorize and recite a mysterious poem upon coming of age.

The story follows Holmes and Watson as they investigate John Hector McFarlane, a young lawyer accused of murdering his client, builder Jonas Oldacre, after Oldacre unexpectedly named McFarlane the sole beneficiary of his will.

The story follows Holmes as he investigates the mysterious disturbance of exam papers at St Luke's College, prompted by unusual clues found by the college tutor Hilton Soames. It was first published in The Strand Magazine in the UK in June 1904 and in Collier's in the US on September 24, 1904.

The Hound of the Baskervilles is Arthur Conan Doyle's third Sherlock Holmes novel, first published in 1901–1902. Set in Dartmoor, it follows Holmes and Watson investigating a legendary supernatural hound said to haunt the Baskerville family. The novel marked Holmes's return after his presumed death. The story begins in 1889 when Dr. James Mortimer asks Holmes to look into the Baskerville family curse. The legend tells of Sir Hugo Baskerville, who was killed by a monstrous hound after kidnapping a farmer's daughter. Since then, the hound is believed to haunt the family, causing mysterious deaths.

The plot centers on a locked-room murder and Holmes's reunion with Watson, revealing Holmes's survival and continued pursuit of justice. It was first published in Collier's in the US on September 26, 1903, and in The Strand Magazine in the UK in October 1903.

The story involves Holmes investigating the disappearance of a young pupil, Lord Saltire, from a prestigious preparatory school, along with the school's German master and his bicycle.

The story follows Holmes as he investigates the mysterious circumstances surrounding Violet Smith, whose life and that of her mother have changed following her father's death and the arrival of two men claiming ties to her deceased uncle in South Africa.

The case begins when Percy Phelps, a young government clerk, seeks Holmes's help after suffering a debilitating illness linked to the loss. First published in The Strand Magazine in the UK (October–November 1893) and Harper's Weekly in the US (October 1893), the story features Holmes investigating the mysterious disappearance of an important Foreign Office document.

The Adventure of the Stockbroker's Clerk is a Sherlock Holmes short story by Sir Arthur Conan Doyle, first published in The Strand Magazine in the UK and Harper's Weekly in the US in March 1893. Part of The Memoirs of Sherlock Holmes collection, the story follows Hall Pycroft, a young clerk who seeks Holmes's help after receiving a suspicious job offer from a hardware company. Holmes investigates the unusual circumstances surrounding the position and the motives behind it, uncovering a deceptive scheme.

During a casual chat, Watson learns that Sherlock's older brother Mycroft has even greater powers of observation and deduction. Watson meets Mycroft and discovers the Diogenes Club, where Mycroft spends much of his time. Unlike Sherlock, Mycroft lacks the energy for detective work and prefers to observe rather than act.

Holmes visits Watson late one night to investigate the death of Colonel James Barclay of Aldershot Camp. Barclay's wife, Nancy, is suspected of murder. Despite Barclay's devotion to his wife, he had a vindictive streak, suffered from bouts of depression, and disliked being alone at night. Holmes digs deeper into the mysterious circumstances surrounding the case.

A mysterious tenant, her face hideously disfigured, haunts her landlady with midnight cries of "Murder! You cruel beast!" Holmes must unravel the dark past behind Mrs. Ronder's torment, an unsettling tale of tragedy, vengeance, and the human heart's darkest secrets.

Neil Gibson, the Gold King and former senator from "some Western state", approaches Sherlock Holmes to investigate the murder of his wife Maria in order to clear his children's governess, Grace Dunbar, of the crime. It soon emerges that Mr Gibson's marriage had been unhappy and he treated his wife very badly. He had fallen in love with her when he met her in Brazil, but soon realised they had nothing in common. He became attracted to Miss Dunbar; since he could not marry her, he had attempted to please her in other ways, such as trying to help people less fortunate than himself.

When Nathan Garrideb enlists Holmes' help to find others who share his unusual surname, a simple quest for fortune quickly turns into a web of deception, crime, and clever trickery. With every twist, Holmes races to uncover the truth before greed and danger claim their next victim.

When head trainer John Mason seeks Holmes' help over his master Sir Robert Norberton's strange behavior, the detective uncovers secrets surrounding a prized racehorse, family inheritance, and mounting debts. As the Derby approaches, Holmes must unravel deception, madness, and hidden motives to reveal the truth behind Shoscombe Old Place.

Mr. Ferguson is convinced his Peruvian second wife is harming their baby, claiming she has been sucking his son's blood. As Holmes untangles the strange behavior, hidden motives, and family secrets, the truth reveals a cunning twist that is far more shocking than any superstition.

A warning from a cowardly ruffian draws Holmes into the mystery of Harrow Weald, connecting suspicious deaths, shady characters, and a house full of hidden motives. With every clue, Holmes uncovers a web of deception—can he unravel the truth before danger strikes again?

Retired art dealer Josiah Amberley suspects foul play when his wife vanishes with a neighbor, taking a fortune in cash and securities. As Holmes and Watson track clues from theatre tickets to suspicious behavior, every discovery brings them closer to a clever and surprising resolution.

The story follows Holmes as he investigates a puzzling series of incidents where a man repeatedly smashes plaster busts of Napoleon, with no apparent motive beyond destruction. It was first published in Collier's in the US on April 30, 1904, and in The Strand Magazine in the UK in May 1904.