A must read about Marketing
by Glenn Miller 
on Career Authors site:
You might think marketing is the answer to selling your book. But marketing has nothing to do with you.
And I know you’d like a marketing checklist to put your books at the top of the bestseller lists right away and keep them there.
But there’s no one-size-fits-all Facebook ad plan or Amazon scheme for that. If such a foolproof recipe existed everyone would use it and crowd each other out. It would be formulaic, and so would the books it promoted.
That idea has the rules upside down, imagining that marketing is all about you.
This was very good. I have blogged the article at: campbellsworld.wordpress.com