The Mysterious Stranger is a novel attempted by the American author Mark Twain. He worked on it intermittently from 1897 through 1908. Twain wrote multiple versions of the story; each involves a supernatural character called "Satan" or "No. 44".

Huckleberry "Huck" Finn is a fictional character created by Mark Twain who first appeared in the book The Adventures of Tom Sawyer (1876) and is the protagonist and narrator of its sequel, Adventures of Huckleberry Finn (1884). He is 12 to 13 years old during the former and a year older at the time of the latter. Huck also narrates Tom Sawyer Abroad and Tom Sawyer, Detective, two shorter sequels to the first two books.