Carl Sagan

The Demon-Haunted World

A prescient warning of a future we now inhabit, where fake news stories and Internet conspiracy theories play to a disaf...

[Free Download] Contact by Carl Sagan

In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who -...

Cosmos by Carl Sagan

This book is about science in its broadest human context, how science and civilization grew up together. It is the story...