1677.
A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race
by Sagan, Carl, Turco, Richard
ISBN: 9781531888428
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The Varieties of Scientific Experience: a Personal View of the Search for God
by Sagan, Carl
ISBN: 9781531888244
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A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race
by Sagan, Carl, Turco, Richard
ISBN: 9781531888404
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Billions & Billions: Thoughts On Life and Death at the Brink of the Millennium
by Sagan, Carl
ISBN: 9781531888534
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Murmurs of Earth: the Voyager Interstellar Record
by Sagan, Carl, Drake, F. D., ...
ISBN: 9781531888374
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The Sagan Conspiracy: Nasa's Untold Plot to Suppress the People's Scientist's Theory of Anci...
by Zygutis, Donald L.
ISBN: 9781515960010