Authors who constantly and consistently get to the best sellers list understand the business side of publishing and their sales results are in direct proportion to this knowledge. You learned how to write a book. You can learn the business skills you need to make certain your work gets to the readers who are going to appreciate (and review!) it. And here's some good news (finally!). The skills are not only learnable, they're repeatable, quantifiable, improvable and allow you to be creative.