On those books an agent will take 15 % for life of the book and do nothing, because there is NOTHING they can do. (deanwesleysmith.com)
I was able to successfully use social media to extend the shelf life of my book as a bestseller and I can help do the same for you. (socialmediamore.com)
Continue monitoring and adjusting over the entire sales life of your book. (toughnickel.com)