Isn't filling a library the point of one?

[ He sounds a bit uncertain though, not so much contrary, and quickly continues on. ]

Miss Luna has already compiled quite a large book on beasts and other phenomena and how to avoid or help them, and Mr. Shen Yun writes to everyone every month of everything that's been known to happen. [ In fact he literally just did. ] Both of them ask people for their input and stories too, so I'm sure their papers include the "most harmful" things that can happen.

What more is it that you're hoping to find?