Question: Unidentified Flying Oddball is a 1979 film adaptation of a book by the American writer who also wrote Adventures of Huckleberry Finn which is often called what?
Sentence (from "Mark Twain"): Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), better known by his pen name Mark Twain, was an American writer, humorist, entrepreneur, publisher, and lecturer.
Relevant evidence: Yes