Huckleberry Finn is based on one of the most important novels of the 19th Century; "The Adventures of Huckleberry Finn".Huckleberry Finn is based on one of the most important novels of the 19th Century; "The Adventures of Huckleberry Finn".Huckleberry Finn is based on one of the most important novels of the 19th Century; "The Adventures of Huckleberry Finn".