The Los Angeles Review of Books launched in April of 2011 as a humble Tumblr, with a 2600-word essay by Ben Ehrenreich entitled "The Death of the Book." The gesture was a bit tongue-in-cheek, but we meant it to be provocative, and to ask a genuine question: Was the book dying? Was the internet killing it? Or were we simply entering a new era, a new publishing ecosystem, where different media could coexist? Since then, we've been enormously gratified...