The Adventures of Huckleberry Finn

"Adventures of Huckleberry Finn (or, in more recent editions, The Adventures of Huckleberry Finn) is a novel by Mark Twain. It is told in the first person by Huckleberry "Huck" Finn, the narrator of two other Twain novels (Tom Sawyer Abroad and Tom Sawyer, Detective) and a friend of Tom Sawyer." -Wikipedia description

More readable version of "The Adventures of Huckleberry Finn" from the Gutenberg library.