LOGAN TURNED TO MARY-ANN. SHE’D wrapped her arms around herself, and kept glancing over her shoulder, as if she expected something to burst in through the hidden door any moment. I glanced at her too, wondering if she was what I feared she might be. Was she a catalyst? Was it her presence here that had triggered the ghost, rather than mine? It would make sense, considering she’d gotten a message from the ghost before we came here. On the other hand…the message had been intended for me, not her. I was about to open my mouth, when my best friend turned to me. She didn’t look like Mary-Ann at all. In a matter of seconds, her entire demeanor had changed. Her lips were pulled back, showing her teeth while she growled like a predator. The grin on her face barely looked human—seeming to stretch

