If it helps, the books don't really do all that much.

[He puts his pile down, all tomes on the gods.]

Most of the information on the people and traditions, you're almost better off asking them yourself in person. The really important stuff doesn't get written down as often, since everyone just knows. Most of the more useful stuff I've been able to investigate is fiction, believe it or not.

[He certainly sounds a lot more confident talking about books than his murderous companion.]