Looking around the room, she didn't see Harry, but Ron was sitting with Neville, playing Wizard's Chess. "Ron, where is Harry? I've got to talk to him, right away!" Ron looked up; and opened his mouth to make a smart remark when he looked at her face and saw the concern there, so he answered seriously; "Harry and Hermione left right after dinner to go to the library, I don't know when they'll be back. Come on, I'll show you where it is."