Billions & Billions
Carl Sagan
Broca's Brain
Comet, Revised
Contact
Cosmic Connection: An Extraterrestrial Perspective [1973, 1975]
Cosmos
The Demon-Haunted World
The Dragons of Eden
Intelligent Life in the Universe
S. Shklovskii & Carl Sagan
Murmurs of Earth
Other Worlds
Pale Blue Dot
A Path Where No Man Thought
Carl Sagan & Richard Turco
Shadows of Forgotten Ancestors
UFO's: A Scientific Debate
Carl Sagan & Thornton Page (eds.)
The Varieties of Scientific Experience