A Study in Scarlet is a detective mystery novel written by Sir Arthur Conan Doyle, introducing his new characters, "consulting detective" Sherlock Holmes and his friend and chronicler, Dr. John Watson, who later became two of the most famous characters in literature. The story begins in 1881, when Dr. Watson, having returned to London from Afghanistan, runs into an old friend, Stamford, who had been a dresser under him at St. Bartholomew's Hospital. Watson confides in Stamford that, due to a shoulder injury that he sustained in the Anglo-Afghan War at the Battle of Maiwand, he has been forced...

The Hound of the Baskervilles is the third of the four crime novels written by Sir Arthur Conan Doyle featuring the detective Sherlock Holmes. Sir Charles Baskerville, baronet, is found dead on the grounds of his country house, Baskerville Hall. The cause is ascribed to a heart attack. Fearing for the safety of Sir Charles's nephew and the only known heir, Sir Henry Baskerville, coming from Canada to claim his inheritance, Dr James Mortimer travels to London and asks Sherlock Holmes for help.

Features the following classic detective stories: A Scandal in Bohemia, The Red-Headed League, A Case of Identity, The Boscombe Valley Mystery, The Five Orange Pips, The Man with the Twisted Lip, The Adventure of the Blue Carbuncle, The Adventure of the Speckled Band, The Adventure of the Engineer's Thumb, The Adventure of the Noble Bachelor, The Adventure of the Beryl Coronet, The Adventure of the Copper Beeches.

Sherlock Holmes and Dr. Watson receive a coded message warning them that a murder will soon be committed. Following the clues, Holmes concludes that their new case has something to do with Professor Moriarty. Arthur Conan Doyle s fourth and final Sherlock Holmes novel follows the detective and his sidekick as they investigate a dangerous secret brotherhood.