That back cover blurb is crucial to the sale. And even though these tips are far longer than the blurb should be, they’re worth reading.
6 Things to Consider When Writing Promotional Copy for Your Book by Karl Bunker — The Book Designer
http://m.thebookdesigner.com/?url=http%3A%2F%2Fwww.thebookdesigner.com%2F2014%2F06%2Fkarl-bunker%2F
sharon p. lynn 