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Carl Sagan and I.S. Shklovskii Intelligent Life in the Universe. New York: Random House, 1966.
Carl Sagan. The Cosmic Connection. An Extraterrestrail Perspective. New York: Doubleday, 1973.
Carl Sagan. The Dragons of Eden: Speculations on the Evolution of Human Intelligence. New York: Random House, 1977.
Carl Sagan et. al. Murmurs of Earth: The Voyager Interstellar Record. New York: Random House, 1977.
Carl Sagan. Broca's Brain: Reflections on the Romance of Science. New York: Random House, 1979.
Carl Sagan. Cosmos. New York: Random House, 1980.
Carl Sagan and Ann Druyan. Comet. New York: Random House, 1985.
Carl Sagan. Contact: A Novel. New York: Simon and Schuster, 1985.
Carl Sagan et. al. The Nuclear Winter: The World After Nuclear War. London: Sidgwick & Jackson, 1985.
Carl Sagan and Ann Druyan. Shadows of Forgotten Ancestors: A Search for who we are. New York: Random House, 1992.
Carl Sagan. Pale Blue Dot: A Vision of the Human Future in Space. New York: Random House, 1994.
Carl Sagan. The Demon-Haunted World: Science as a Candle in the Dark. New York: Random House, 1996.
Carl Sagan and Richard Turco. A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race. New York: Random House, 1990.