Hardcover. Los Angeles, Dawson's Book Shop, 1st Ltd. Ed., 1986, Book: Very Good, Dust Jacket: None, Hardcover, blue cloth covers with gilt decoration, 422 pages. SIGNED BY ZWINGER ON TITLE PAGE. Black & white illustrations. Limited to 500 copies. Clean, tight copy.
Hardcover. New York, Stewart, Tabori & Chang, Publishers, Revised Ed., 1986, Book: Very Good, Dust Jacket: Very Good, 240 pages. Very minor dust jacket edge wear. Small crease on front dust jacket cover. SIGNED BY FORMER ASTRONAUT ALLEN on half title page and dated 1988. Lots of color photographs throughout. A very clean and tight copy.
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