Mary Hood's fictional world is a world where fear, anger, longing-sometimes worse-lie just below the surface of a pleasant summer afternoon or a Sunday church service. In "A Country Girl," for example, she creates an idyllic valley where a barefoot girl sings melodies "low and private as a lullaby" and where "you could pick up one of the little early apples from the ground and eat it right then without worrying about pesticide." But something changes...