"They mostly have been books about monster anatomy. But by knowing that I might be able to determine a weak spot. Aiming for that will be more beneficial then countless attempts at just hitting it anywhere. I'm not sure if I will encounter any from the book on this mission, but perhaps when I have more time to read more of the book I will find it more useful."

Xue Yang has only had one sitting to really determine if the book might be useful. He isn't terribly confident in it yet but with enough information than he certainly will get close.