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"A glorious book . . . A spirited defense of science . . . From the first page to the last, this book is a manifesto for clear thought."

*Los Angeles Times

"POWERFUL . . . A stirring defense of informed rationality. . . Rich in surprising information and beautiful writing."

*The Washington Post Book World

How can we make intelligent decisions about our increasingly technology-driven lives if we don't understand the difference between the myths of pseudoscience and the testable hypotheses of science? Pulitzer Prize-winning author and distinguished astronomer Carl Sagan argues that scientific thinking is critical not only to the pursuit of truth but to the very well-being of our democratic institutions.

Casting a wide net through history and culture, Sagan examines and authoritatively debunks such celebrated fallacies of the past as witchcraft, faith healing, demons, and UFOs. And yet, disturbingly, in today's so-called information age, pseudoscience is burgeoning with stories of alien abduction, channeling past lives, and communal hallucinations commanding growing attention and respect. As Sagan demonstrates with lucid eloquence, the siren song of unreason is not just a cultural wrong turn but a dangerous plunge into darkness that threatens our most basic freedoms.


*USA Today

"A clear vision of what good science means and why it makes a difference. . . . A testimonial to the power of science and a warning of the dangers of unrestrained credulity."

*The Sciences


*San Francisco Examiner-Chronicle

Book Reviews

Demon-Haunted World
Average rating
4.8 / 5
Wonderful prose
November 13th, 2014
A great introduction to skepticism and how we know what we know. Carl's wonderful prose shines through in "Demon-Haunted World", making it an enjoyable and at times breath-taking read.
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1 review
Wonderful skeptical popular science book.
March 19th, 2013
I discovered Carl Sagan recently through my growing interest in skepticism. He is frequently mentioned on the Skeptics Guide to the Universe podcast. I bought the book to see what the fuss is about. Sagan wrote lucidly and concisely. His was a great mind and he clearly was an important figure in popularizing the scientific method and critical thinking in general. I read the book slowly to try an take it all in, but in fact it was hard to put down. I wholeheartedly recommend it. I wish he was still around. The world needs people like him now more than ever.
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1 review

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