1. Are We Alone? : Philosophical Implications of the Discovery of Extraterrestrial Life
by Davies, Paul 
Price: USD 11.31
Dealer: Alibris, ThriftBooks-Atlanta via Alibris
Description: PENGUIN BOOKS AUSTRALIA LTD 1995 Softcover Fair Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. 

2. Are We Alone?:Philosophical Implications of the Discovery of Extraterrestrial Life
by Davies Paul 
Price: USD 15.31
Dealer: Biblio, ThriftBooks
Description: PENGUIN BOOKS AUSTRALIA LTD.. Paperback. Acceptable. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. PENGUIN BOOKS AUSTRALIA LTD. ISBN 0140251790 9780140251791 [US] 

3. Are We Alone?:Philosophical Implications of the Discovery of Extraterrestrial Life
by Davies, Paul 
Price: USD 15.31
Dealer: Abebooks, ThriftBooks-Atlanta
Description: ISBN10: 0140251790, ISBN13: 9780140251791, [publisher: PENGUIN BOOKS AUSTRALIA LTD.] Softcover Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less 0.22 [AUSTELL, GA, U.S.A.]