“Why do we care about other people’s books? What’s it to us what somebody else is reading? It’s a matter of taste, one that doesn’t impact or infringe on us in any way — not like the tinny beats escaping nearby headphones, for example, or a neighbor’s appalling choice of window trim color. Still, we strain our eyes to make out the title of a stranger’s paperback, staring and not-staring as if it were a pretty girl or a one-armed man.”