Each of the chapters of this interdisciplinary study sets up a typical ethical scenario regarding human enhancement technology and then illustrates how a work of fiction uniquely speaks to that scenario, exposing a realm of human motivations that might otherwise be overlooked or simplified. Through the vision of the writers she discusses, Lake uncovers a deep critique of the ascendancy of personal autonomy as America’s most cherished value. This ascendancy, coupled with technology’s glamorous promises of happiness, helps to shape a utilitarian view of persons that makes responsible ethical behavior toward one another almost impossible. charts the essential role that literature must play in the continuing conversation of what it means to be human in a posthuman world.