Aerospace Century XXI: Space Missions and Policy. Volume 64, Part 1: Advances in the Astronautical Sciences By George W. Moregenthaler and Gayle L. May Books / Paperback Transportation › Spaceflight Publisher: American Astronautical Society, January 1987 Price $58.61 Free Shipping Send to a friend Collectible - Good San Diego, CA: American Astronautical Society, 1987. Volume 64, Part 1. Sm 4to paperback. xxxii+605+A48pp. Illustrations, frontis, charts. Good book. Full length crease on back cover. (Astronautics, NASA) Inquire if you need further information. $58.61 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.