CHAPTER TWENTY ONE Riley sat very still. She was staring at an open doorway, watching uniformed people coming and going, crowding in and out with ghostly efficiency. They must be making a lot of noise, she thought. But she couldn’t hear it. Her brain must have been shutting out the noise. Like so much else, she thought vaguely. With a lot of effort, she realized that she was sitting on the edge of her own bed in her dorm room. Those people she could see were rushing in and out of her room. She didn’t dare move her head or her eyes for fear of what else she’d see. She felt as if her body were uninhabited—as if she herself wasn’t in it. Where am I? she wondered. If not here in her body, in her room, then where? It was the weirdest feeling Riley could remember ever having. Or was i

