He looks up from the pile of books in his arms with a look that flashes from surprise immediately into annoyance. He sighs, then, and immediately turns his attention away from the one who approached him. "No, we don't have the newest One Piece graphic novel. Check back in a month or two." Perhaps he gets that question far too often?

Or he's made a bit of a snap decision about the person who approached him.

Either way, he seems engrossed in putting the books in his arms onto the shelf, now.