When you find out, let me know! The truth is that it’s not the writing that really matters; it’s the publication, marketing, and advertising that makes the real difference. Even if you wrote the literary equivalent of The Da Vinci Code, which sold more than 80 million copies worldwide, you would still live in obscurity without either the right backing or the right self-made promotions. It can be done though; consider the case of Andy Weir. Andy grew up like the rest of us, obsessed with science-fiction and living a normal life in Milpitas, California. At a young age, he fell in love with science-fiction and decided he wanted to…