Narciso Ibáñez Serrador presenta a George Summer Albee, Poul Ander- son, J. F. Bone, Ray Bradbury, Fredric Brown, Algis Budrys, Bertram Chand- ler, Arthur C. Clarke, G. C. Edmondson, Richard Gehman, Wyman Guin, Zenna Henderson, Damon Knight, J. T. Mc In- tosh, Lion Miller, William Morrison, Alan Nelson, William T. Powers, Ro- bert Sheckley, Cordwainer Smith, William W. Stuart, Theodore Sturgeon, John Wyndham, Robert F. Young en una selección de Groff Conklin.