PAPERBACK ORIGINAL FIRST EDITION, Pocket #80256, (c) January 1976. Paperback original, so stated. No previous hardcover. Cover blurb: "Winner of the John Campbell Award for the Year's Best Science Fiction Novel." Disc: Paperback, 398 pages, 18 cm.
Used availability for Barry N Malzberg's Best of Barry N Malzberg
December 1975 : USA Mass Market Paperback