Without hope he goes back to what he is.” “What—what is that?” She sounded genuinely frightened. My hand tightened on Keller’s shoulder. I was frightened too, and a childish part of me wanted to turn off the audio before I heard an answer. But I was also fascinated, and that infernal curiosity won. “I don’t know how to explain it, honey. What’s left is . . . whatever it is, it’s hungry.”