Both Aidan and Sally completely froze. There was absolutely no way Coraline should have been able to hear what Sally said. As far as Aidan knew, only supernatural creatures could really see ghosts, and Aidan would have known if she was a vampire or a werewolf.

"You... can see her?" Aidan asked, glancing back and forth between Sally and Coraline. That could not have been a more awkward introduction.

"Oh my god!" Sally gasped. "Oh my god, you can see me!"