The Cosmic Connection: an Extraterrestrial Perspective
Carl Sagan
The Dragons of Eden: Speculations on the Evolution of Human ...
Broca's Brain: Reflections on the Romance of Science
The Exploration and Utilization of the Solar System
Cosmos
The Nuclear Winter
Viewpoint (1)
Contact
Pale Blue Dot: A Vision of the Human Future in Space
The Demon Haunted World: Science as a Candle in the Dark
Shadows of Forgotten Ancestors: A Search for Who We Are
Carl Sagan & Ann Druyan