New York: Walker & Company, 1987. First Edition. Hardcover. 8vo. Blue cloth boards with gilt-stamped spine, in pictorial dust jacket. In original blue cloth slipcase. Minor rubbing to slipcase, else near fine. SIGNED by author and illustrator. No. 204 of a limited edition of 350 specially bound copies. Near fine / near fine. Item #23581
Cover painting and illustrations by Moebius. Presented as the fourth book in the publisher's Millenium Series, each volume of which dealt with a "major theme of science fiction" (in PROJECT PENDULUM, time travel.) A Byron Preiss Book.