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?
Unidentified Flying Oddball: Unidentified Flying Oddball (also known as The Spaceman and King Arthur and A Spaceman in King Arthur's Court) is a 1979 film adaptation of Mark Twain's "A Connecticut Yankee in King Arthur's Court", directed by Russ Mayberry and produced by Walt Disney Productions. 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. Mark Twain:  Among his novels are "The Adventures of Tom Sawyer" (1876) and its sequel, the "Adventures of Huckleberry Finn" (1885), the latter often called "The Great American Novel".
The Great American Novel