By Toni Morrison
167 pp. Alfred A. Knopf. $23.95
The Greeks might have invented the pastoral, the genre in which the rustic life is idealized by writers who don’t have to live it, but it’s found its truest home in America. To Europeans of the so-called Age of Discovery, the whole North American continent seemed a sort of Edenic rod and gun club, and their descendants here still haven’t gotten over their obsession with the pure primal landscapes they despoil with their own presence.