"Thanks, I'd rather drive there." Yeah, I know, it's "upside down so it's really 89" but you want to know the horrible truth? They're encoding it. It's hidden, they're subliminally messaging you. That's why I'm here.
So, the library too, eh? It's not just this book, but every single book at (classified) public library! They all have the unmentionable number in their bar codes!