Extraterrestrial Life: An Idea Whose Time Has Come
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Overview:
- Title: Extraterrestrial Life: An Idea Whose Time Has Come
- Author: Carl Sagan
- Year: 1973
- Type: Essays
Editions/Publications:
- Unknown. The Cosmic Connection: An Extraterrestrial Perspective (Unknown, Carl Sagan, Anchor Press / Doubleday, ISBN-10: 0385004575, $7.95, xiii+274 pages, Hardcover, Non-fiction)
- Unknown. The Cosmic Connection: An Extraterrestrial Perspective (Unknown, Carl Sagan, Coronet, ISBN-10: 0340196823, £0.85, xiii+274 pages, Trade Paperback, Non-fiction)