SEO stands for Search Engine Optimization. Once it was an unknown term; now practically anyone who has a website has probably heard of SEO. But while better known it still remains somewhat unappreciated.
You’re thinking I’m not interested in a business. I just want to write and sell books. But surprise, that is a business! While writing can certainly be fun, it is for me, it can also be profitable. And for that reason alone you need to think of your writing career, no matter how many books that entails, as a business.