a summary of the novel the adventures of huckleberry finn by mark twain The adventures of huckleberry finn book summary and study guide  in mark twain's classic bildungsroman, huck finn, fleeing for his life from his drunken father, pap, encounters the runaway slave, jim, and the two become traveling companions  a young renegade, huck finn, and a runaway slave, jim, float down the misshippippi on a raft.