And there is something even more beautiful, perhaps, when we achieve this “eye-on-the-object look” not because we have found our vocation but because we have found our avocation—when the reason for our raptness is sheer and unmotivated delight. This is what makes “readers,” as opposed to “people who read.” To be lost in a book is genuinely addictive: someone who has had it a few times wants it again, and wants it enough, perhaps, to beg a friend to hide the damned BlackBerry for a couple of hours, please.