In an objective scientific analysis, an astronomer speculates on the possiblitiy of UFOs and discusses the technology and theoretical principles required to make them possible. 20,000 first printing.
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Seller: HPB-Diamond, Dallas, TX, U.S.A.
hardcover. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_457423814
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.
Condition: Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc. Seller Inventory # 00099028853
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Hardcover. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0312262256I4N00
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Hardcover. Condition: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0312262256I4N10
Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. 1st. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 4053338-75
Seller: St Vincent de Paul of Lane County, Eugene, OR, U.S.A.
Condition: Good. DUST JACKET SHOWS SOME GENERAL WEAR, SUCH AS SCRATCHES, RUBBING, STICKER AND/OR GLUE RESIDUE AND CREASES. hardcover 100% of proceeds go to charity! Good condition with all pages in tact. Item shows signs of use and may have cosmetic defects. Seller Inventory # U-01-4205
Seller: HPB-Ruby, Dallas, TX, U.S.A.
Hardcover. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_469685766
Seller: Veronica's Books, Gig Harbor, WA, U.S.A.
Hardcover. Condition: Very Good. Dust Jacket Condition: Very Good. 1st Edition. 211pp. Mild foxing to upper exterior page edges, otherwise clean copy in metallic jacket. Book. Seller Inventory # 065073
Seller: Veronica's Books, Gig Harbor, WA, U.S.A.
Hardcover. Condition: Near Fine. Dust Jacket Condition: Very Good. First Edition. Tight copy in mylar-protected dust jacket. 211pp. Book. Seller Inventory # 036612
Seller: SHIMEDIA, Brooklyn, NY, U.S.A.
Condition: New. Satisfaction Guaranteed or your money back. Seller Inventory # 0312262256