" Every day you learn something amazing," Kat says, "like there's a secret underground library in New York City" - she pauses and gapes for effect, and it makes me laugh - "and you realize there's so much more that's waiting. Eighty years isn't enough. Or a hundred. Whatever. It's just not. "

― Robin Sloan , Mr. Penumbra's 24-Hour Bookstore (Mr. Penumbra's 24-Hour Bookstore, #1)