CHAPTER TWENTY-ONE TRISTHEY ANNOUNCE THE attack drill in the morning, over the intercom, as we eat breakfast. The crisp, female voice instructs us to lock the door to whatever room we are in from the inside, cover the windows, and sit quietly until the alarms no longer sound. “It will take place at the top of the hour,” she says. Tobias looks worn and pale, with dark circles under his eyes. He picks at a muffin, pinching small pieces off and sometimes eating them, sometimes forgetting to. Most of us woke up late, at ten, I suspect because there was no reason not to. When we left the city, we lost our factions, our sense of purpose. Here there is nothing to do but wait for something to happen, and far from making me feel relaxed, it makes me feel jittery and tense. I am used to having so