Book excerpt: DigiCat presents to you a collection of the greatest mystery cases and puzzles for you to solve and relax with during Christmas and winter holidays: Agatha Christie: The Mysterious Affair at Styles The Murder on the Links The Kidnapped Prime Minister The Million Dollar Bond Robbery The Secret Adversary R. Austin Freeman: Dr. Thorndyke's Cases The Adventures of Dr. Thorndyke Dr. Thorndyke's Casebook Arthur Conan Doyle: The Adventures of Sherlock Holmes The Memoirs of Sherlock Holmes A Study in Scarlet The Sign of Four The Hound of the Baskervilles The Valley of Fear A. E. W. Mason: At the Villa Rose The Affair at the Semiramis Hotel Mary Roberts Rinehart: The Circular Staircase The Amazing Adventures of Letitia Carberry Tish – The Chronicle of Her Escapades and Excursions More Tish Edgar Allan Poe: The Murders in the Rue Morgue The Mystery of Marie Rogêt The Purloined Letter Charles Dickens: Hunted Down Wilkie Collins: The Moonstone The Woman in White The Haunted Hotel Robert Barr: The Triumph of Eugéne Valmont Jennie Baxter, Journalist The Adventures of Sherlaw Kombs The Adventure of the Second Swag E. W. Hornung: The Amateur Cracksman The Black Mask; or, Raffles: Further Adventures A Thief in the Night Mr. Justice Raffles John Kendrick Bangs: Mrs. Raffles R. Holmes & Co Melville Davisson Post: The Sleuth of St. James's Square Edgar Wallace: The Four Just Men The Clue of the Twisted Candle Victor L. Whitechurch: The Canon in Residence Anna Katharine Green: The Leavenworth Case A Strange Disappearance The Mystery of the Hasty Arrow That Affair Next Door Lost Man's Lane The Circular Study G. K. Chesterton: The Innocence of Father Brown The Wisdom of Father Brown The Donnington Affair Ellis Parker Butler: Philo Gubb Correspondence-School Detective Maurice Leblanc: Arsene Lupin The Extraordinary Adventures of Arsene Lupin Mabel & Paul Thorne: The Sheridan Road Mystery Marion Harvey: The Mystery of the Hidden Room Grace Livingston Hill: The Mystery of Mary