I’ve rubbed elbows with self-published, independent-published, and even vanity-published authors on a daily basis. I’ve gone to conventions and browsed the author’s alley, and I’ve spent countless hours scouring the web for new reads. One thing influences my decision to buy more than anything else—the cover.We all grew up thinking that you shouldn’t judge a book by its cover. And while that’s definitely the case when we’re talking about people’s internal, rather than external, qualities,...