• ISBN-10: 0521783038
• ISBN-13: 978-0521783033

This volume by the late Sagan won the John W. Campbell Memorial Award for best science book upon its initial publication (LJ 1/15/73). Sagan possessed a particular talent for taking something very complicated and explaining it in terms that the average person could easily understand. Humankind has long had a fascination bordering on obsession with the possibility of life beyond the boundaries of ...
More our own planet, and Sagan offers his take on extraterrestrial intelligence as well as life on Earth. This edition has been updated with a portrait of the author by his wife, plus a new introduction and an essay by science writer David Morrison assessing Sagan's theories, many of which have been proven true.

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