Intelligent Life in the Universe
Carl Sagan
Cosmic Connection
The Dragons of Eden
Murmurs of Earth
Broca's Brain: Reflections on the Romance of Science
Cosmos
Contact
Shadows of Forgotten Ancestors
Pale Blue Dot: A Vision of the Human Future in Space
The Demon-Haunted World: Science as a Candle in the Dark
Billions & Billions: Thoughts on Life and Death at the Brink ...
The Varieties of Scientific Experience: A Personal View of the ...
Carl Sagan & Ann Druyan