Exploring the Unknown

Washington DC: National Aeronautics and Space Administration, 1995-8. First Edition. First printings. Three large octavo volumes (25cm). Green cloth-covered boards, titled in gilt on spines and front covers; pictorial dustjackets; 795+636+608pp. Mild lean to text block of v.2, else a uniformly Fine, unmarked, and new-appearing set.

U.S. National Aeronautics and Space Administration. Collectible - Very Good. Signed Copy First edition copy. Collectible - Very Good. Very Good dust jacket. Vol. 2. Inscribed by author on front endpage.

History Division. Used - Good. Good condition. Volume 6. (NASA, Astronautics, Space Exploration)

History Division. Used - Like New. Like New condition. Like New dust jacket. Volume 6. (NASA, space exploration)

National Aeronautics and Space Administration. Collectible - Very Good. First edition copy. Collectible - Very Good. Very Good dust jacket. Vol. 1. (astronautics, decision making, space exploration) NOT AVAILABLE FOR SHIPMENT OUTSIDE OF THE UNITED STATES.

U.S. National Aeronautics and Space Administration. Used - Very Good. Very Good condition. Very Good dust jacket. A copy that may have a few cosmetic defects. May also contain a few markings such as an owner’s name, short gifter’s inscription or light stamp.

United States Government Printing Office. Used - Very Good. Former library book; may include library markings. Used book that is in excellent condition. May show signs of wear or have minor defects.

History Office. Used - Very Good. Very Good condition. Like New dust jacket. Volume 3. (NASA, space exploration)

History Office. Used - Good. Good condition. Very Good dust jacket. Volume 3. (space, exploration, nasa, history) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.

. Papeback. New.