Normally, he would see no issue with telling her that it is because she's human, but where he is vastly outnumbered by them and doesn't understand the place yet, and most of all has no place to retreat to, he should probably not say that.

"I'm not answering that."

He can't even remember that she had anything on her person when he encountered her, or at least nothing that would have struck him as dangerous.

"What does that book list do?"