$1.99
by: Carl Sagan
Seller Description
1993, 25th printing, Ballantine Books, 270 pages. The cover is still shiny, though there are scratches and corner and edge wear, particularly around the spine. Clean pages, though yellowed from age. Black and white photos and illustrations are found throughout the book.
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Overview
The well-known astronomer and astrobiologist surveys current knowledge of the development of intelligence on Earth in various forms of life and explains his persuasion that intelligence must have deve...
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