Too many aspiring authors try to write a book they hope the world will read. They fail to realize writing to everyone is the fastest way to ensure no one reads their book.
With over 350 million copies of his books sold, Stephen King reveals in On Writing that he writes to one person, his wife. King recognizes his words will lose all meaning and resonance if he tries to write for everyone.
The secret here is that constraints foster creativity rather than suppress it. By narrowing the focus of your audience you can harness a creative power bursting to pour words onto the page.