In a universe filled with habitable worlds why have we had no contact with extraterrestrial intelligence? David Brin's "The Crystal Spheres" offers a fantastic explanation for the Great Silence. Instead of being late-comers - might humanity have come upon the scene too early? This haunting tale was voted one of the "most beautiful of the eighties. Winner of the 1985 Hugo Award .
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Used availability for David Brin's The Crystal Spheres
June 2011 : USA, Canada, UK Kindle edition