Self-published authors have resorted to "buy my book" tweets for so long that social media is a minefield of useless book commercials. But one purposeful--albeit off the cuff--tweet from an independent bookstore led to an exponential increase in sales. According to Book Web, Carmichael’s Bookstore in Louisville, Kentucky, reached out to author Shea Serrano after he directed … [Read more...] about The Power of a Book Tweet