In the library? No, raising the dead aside, I would estimate it to be all the usual dreadful mix of poor student papers and joyless academia.

[A sideways look punctuates:]

No clear reference material as to how the Well works, if that's what you're after.

[It's certainly what he'd been ferreting around in pursuit of. But then, it makes sense to keep the keys away from the captives, doesn't it?]