"The same way you find anything, really?"

This is probably unhelpful.

"You go looking. And, well. I did come up with a scrying spell to help in locating items. I've used it on the Jaegers, mostly, down in the garage. But it works for books, too. And there's a kind of catalog. And the shelves are mostly labeled."

Um.

"Here, let me just get my tablet -- if you still want to go?"

It's just in through the door and up the stairs, but --