first , his hands came into view- wait , wait-then the hump of his forehead , the jut of his nose-wait , just another second-and then he was only three steps below her-wait , wait-and she saw shoulders , his chest , how his head was swiveling , his face ballooning to a gray oval-almost , almost-and then she heard his quick inhale the instant he realized he was looking in the wrong place at the wrong time and the sharp rap of the shotgun 's butt against stone as he tried swinging down but couldn't-because he was a tall boy with a long gun trying to turn in a too-tight space .