No one was prepared for the success of Fifty Shades of Grey. Originally written in 2010 as a piece of Twilight fan fiction and posted online, it eventually sold over 100 million copies, taking erotica mainstream. But women didn't only read erotica in large numbers; they also wrote it. In the aftermath of Fifty Shades a cottage industry emerged around self-published romance novels. Once women who worked forty-hour-a-week jobs, living paycheck-to-paycheck, many of them are now New York Times bestselling authors with their own merchandise lines and die-hard fans.
