The Signal-Man

"The Signal-Man" was a short story by Charles Dickens. It was notably about a ghost. On Christmas Eve 1869, the Ninth Doctor, while talking to Dickens, called it "the best short story ever written." (TV: The Unquiet Dead) The Twelfth Doctor considered it his favourite out of the works of Charles Dickens. (PROSE: A History of Humankind)