POSSIBLE WORLDS OF SCIENCE FICTION. New York: Berkley Publishing Corp., . Small octavo, pictorial wrappers. First paperback edition. Berkley Books G-3. Collects ten stories by A. E. van Vogt, Ray Bradbury, Isaac Asimov, Clifford D. Simak, Poul Anderson, and others. Touch of rubbing to spine ends, tiny, thin stain to small area along rear spine fold, a bright, near fine copy. (#88671).