Sherlock Holmes primarily relies on abduction: inferring an explanation for observed details. "From a drop of water", he writes, "a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other". In "A Scandal in Bohemia", Holmes infers that Watson had got wet lately and had "a most clumsy and careless servant girl". When Watson asks how Holmes knows this, the detective answers: In the first Holmes story, "A Study in Scarlet", Dr. Watson compares Holmes to C. Auguste Dupin, Edgar Allan Poe's fictional detective, who employed a similar methodology. Alluding to
Mr. Wong (fictional detective) Mr. Wong (fictional detective) James Lee Wong, known simply as Mr. Wong, is a fictional Chinese-American detective created by Hugh Wiley (1884–1968). Mr Wong appeared in magazine stories and a series of films. In his story "No Witnesses", Wiley describes Mr. Wong as six feet tall, educated at Yale University and "with the face of a foreign devil-a Yankee". In the stories he is an agent of the United States Treasury Department and lives in San Francisco. Twelve stories were published in Colliers Magazine from 1934 to 1938. These were all collected in the volume "Murder by the Dozen" in