"You... put an out of place item back where it should have been." Sora wasn't computer savvy, but he was familiar with video games and sometimes they had puzzles of this sort. Come to think of it, there had been dinner dishes in the foyer and now York had found a book. "Hmm... maybe putting other misplaced things back where they should be will do something too?"

It was a guess, but it seemed like it might be worth trying.