IN THIS SUITE of five short pieces — one of the unqualified literary masterpieces of the American 1960s — William Gass finds five beautiful forms in which to explore the signature theme of his fiction: the solitary soul's poignant, conflicted, and doomed pursuit of love and community. In their obsessions, Gass's Midwestern dreamers are like the "grotesques" of Sherwood Anderson, but in their hy...