«The Naval Treaty» by Arthur Conan Doyle

"The Adventure of the Naval Treaty", one of the 56 Sherlock Holmes short stories written by Sir Arthur Conan Doyle, is one of 12 stories in the cycle collected as The Memoirs of Sherlock Holmes. Doyle ranked "The Adventure of the Naval Treaty" 19th in a list of his 19 favourite Sherlock Holmes stories.
Holmes explains that several clues all pointed to Joseph: the thief knew the ways of the office well, given that he had rung the bell before seeing the treaty; Phelps had shown his relatives around the offfice; Joseph had dined in London that evening, and took the 11:00 PM train to Woking; Phelps expected to meet him for the train; the theft happened at about 9:40 PM; it was a rainy night, but there were no wet footprints in the passage or office, so the thief had come in a cab; and the burglar who tried to break into Phelps' room was familiar with the layout of the house…
Famous works of the author Arthur Conan Doyle: A Study in Scarlet, The Sign of the Four, The Adventures of Sherlock Holmes, The Memoirs of Sherlock Holmes, The Hound of the Baskervilles, The Return of Sherlock Holmes, The Valley of Fear, His Last Bow, The Case-Book of Sherlock Holmes, Stories of Sherlock Holmes, The Lost World.