Confessions of an Alien Hunter: A Scientist's Search for Extraterrestrial Intelligence
3.78
Jul 15, 2011
Jul 11, 2011
 
Faint Echoes, Distant Stars: The Science & Politics of Finding Life Beyond Earth
3.61
Jan 20, 2011
Jan 12, 2011
 
The Eerie Silence: Renewing Our Search for Alien Intelligence
3.95
Aug 02, 2010
Jul 29, 2010
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