You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
Q: Category: 20th CENTURY NOVELS 
Clue: Penned by a British author, it became a No. 1 bestseller in the U.S. in 1959, 31 years after it was initially banned
A: 
lady chatterley\'s lover