Adventures of Huckleberry Finn is a classic adventure novel by Mark Twain. Huckleberry Finn, Tom Sawyer's best friend, escapes down the Mississippi on a raft with the runaway slave, Jim. One of the iconic American novels, it caused a stir when published because of the vernacular used by Twain to characterize Jim and the people of the Mississippi. Twain's criticism of racial segregation and the ...