Let me point out that the titles are not restricted to novels, but any books (if I am understanding correctly).
Although it's not a requirement, I'm inclined to think that one ought to use fairly well known books, since there are millions of books and thousands of one-word titles if you search on Amazon. You could probably write your story without regard to titles, and then go back to Amazon and search on each word and probably find at least six of them in your story correspond to books that have been published. I don't imagine that would produce a winning entry, though.
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