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We Are Not Alone: The Continuing Search for Extraterrestrial Intelligence Walter Sullivan

We Are Not Alone: The Continuing Search for Extraterrestrial Intelligence

Walter Sullivan

Published
ISBN : 9780452272248
Paperback
368 pages
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 About the Book 

A thoroughly revised edition of the best-selling account of sciences search for extraterrestrial life gives clear evidence of the existence of alien civilizations and reveals the distant planetary systems found by powerful telescopes.