Avon Books, 1978. Paperback, first printing. With an introduction by the editor. Stories: Basilisk by Harlan Ellison; The Dueling Machine by Ben Bova; A Man to My Wounding by Poul Anderson; Commando Raid by Harry Harrison; Curtains by George Alec Effinger; Mercenary [Joe Mauser] by Mack Reynolds; Rule Golden by Damon Knight; The State of Ultimate Peace by William Nabors; By the Numbers essay by Isaac Asimov; To Howard Hughes: A Modest Proposal by Joe Haldeman.
Avon Books, 1978. Paperback, first printing. With an introduction by the editor. Stories: Basilisk by Harlan Ellison; The Dueling Machine by Ben Bova; A Man to My Wounding by Poul Anderson; Commando Raid by Harry Harrison; Curtains by George Alec Effinger; Mercenary [Joe Mauser] by Mack Reynolds; Rule Golden by Damon Knight; The State of Ultimate Peace by William Nabors; By the Numbers essay by Isaac Asimov; To Howard Hughes: A Modest Proposal by Joe Haldeman.