“Today there’s no particular mission other than seeing if I can find a book I’m in the mood for. I have stacks of brand-new books at home, all of which I was excited to read when I bought them, but now . . . none of them seem quite right to me.” He nodded. “Yeah, I know how that is. All of the books that you have are sad books when you’re in a happy book mood, or vice versa. Or dense when you want a page-turner.”