New York: Ballantine Books, Inc., 1964. Bob Abbett. First edition, first printing. Paperback. Item #36979
Ballantine book number U6010. Cover price 75¢. Cover artist Bob Abbett. Hugo Award winner, 1965. "Superior Leiber." Referenced in Barron, Anatomy of Wonder 1987, *3-253, also in Magill, Survey of Science Fiction Literature pp 2396 - 2401. Light toning. A near fine copy.