When 'Fifty Shades of Grey,' originally written as a piece of 'Twilight' online fan fiction, sold over 100 million books, erotica went mainstream. But women didn’t just read erotica in large numbers; they wrote it. A cottage industry emerged around self-published romance novels. Once women who worked forty-hour-a-week jobs, living paycheck-to-paycheck, are now bestselling authors with their own merchandise lines and die-hard fans.
