You're happiest when you're writing. It's what you've been put on this Earth to do, and you hope to one day make a living from your books. But you've probably realized how difficult it is to earn enough from book sales alone. In fact, most authors, even some New York Times bestsellers, end up having to take on outside work in order to make ends meet.If you must do other work, why not have it be work that supports and relates to what you love—your books?If you want to earn a living as an author, you have to think beyond your book. Not only that, think like someone who is more than an author. Think like an entrepreneur. Whether you write fiction or nonfiction, just the fact that you're writing books means you have what it takes to become an authorpreneur.