"Yes. I was told to find a towel." But it's apparently not a top priority in her mind, because she isn't following those instructions. "There is a pool on the grounds, it is quite pleasant for a swim."

The pool is obviously the most interesting place in this mansion, but since she's already explored that, this library is the next stop.

"And yes, I can see. You know how books work, right?" Since he seems stuck on the obvious, she's not sure. Maybe they have no books where he comes from?