Hawthorne blinks, looking relieved by the bookshelf vignette he gets of his classmate. Oh, it's Gideon. And not a library spirit. Excellent. "Hello," he replies, because that's polite. "I feel bad about the mess."

He says that, and yet, he pushes a few more books off the shelf. After the fact, he decides to add, "Sorry. Watch out." Which is very helpful. "I think the shelves only move if they want to, and I'm not sure what they want from me."