"Just that I can't do anything that's too... you know, blatant," Jack answered. "So no materializing moving fifty-foot snow sculptures, that kind of thing. The rest of it's kind of a grey area."

He balanced his staff lightly across his knees. "Right before I came here? Jamie and his friends could see me. They helped save all of us. But before Easter? No one could... only the other spirits like me."