In this unusual "collaborative novel," Jake Yoder, a precocious boy caught between Amish culture and the modern world, sits in his middle-school classroom writing stories at the behest of a stern but charismatic teacher. Jake's stories feature children who are crushed, imprisoned, and distorted, and yet somehow flailing around with a kind of bedazzled awe, trying to find a way out. His characters wander through Amish farms, one-room schoolhouses,...