There are about a hundred times less audiobooks on Audible.com than there are books, or e-books, on Amazon.com. This means that if you have the right key words in the titles of your audiobooks, the right narrator, the right talent, the right author, interesting ideas, the right topics that are written about, or the right combination of these factors-that you can get rich. Many narrators have made millions of dollars from narrating a single audiobook...