He can get his hand on virtually any book he'd like - but he can't get his hands on things he doesn't know exist. There is no... stumbling upon or discovery with just buying what he wants.

"I just like libraries," he says, with a smile that's faint but pretty sincere for it. "And this one's also a bit of a mystery, by virtue of having been closed for quite a while. I'll take a look around. Yell if there's anything I shouldn't be getting into"