Book excerpt: A collection of stories and poems by members of the Libertarian Futurist Society, a movement which thinks that space will liberate man. He will be "happier, healthier and smarter, " says the editor in the introduction. A group of writers including Poul Anderson, John Barnes, Gregory Benford, Ray Bradbury, and others offers stories about the twenty-third century, where individual societies outside of Earth have evolved into a galactic federation without formalized government known as Free Space.