New York: Simon and Schuster, 1980. First edition, first printing. Hardcover. Item #34558
Inscribed by Benford on the title page, "To John: Gregory Benford." Nebula Award winner, 1980. Barron; Anatomy of Wonder 4, 4-46. A tiny spot of foxing on the top of the text block, else fine in near fine dust jacket with light toning to the rear panel and the reverse.