By now, you have no doubt at least heard about 50 Shades of Grey, the erotic adult fiction that has the literary world all hot and bothered. Coming from relative obscurity, the books were first released just more than a year ago and almost instantly shot to best-seller status, becoming the fastest-selling paperbacks of all time. However, the books did more than just fluster a few cheeks; they ushered in a real-life sexual revolution.