Popular science · Critical thinking and decisions
The Demon-Haunted World
Carl Sagan defends scientific skepticism, examining UFO claims, faith healing and witch hunts to show how to test ideas and why that habit protects a free society.
Facts last checked 2026-10-17
- First published
- 1995
- Pace
- Medium
- Length
- Long
- Pages
- 457
- Format
- Standalone
Read this if you want a toolkit for spotting bad arguments, written with warmth.
Skip this if you want new science news, as many examples are from the 1990s.
The feel
Content warnings
None noted yet.
Quick answers about The Demon-Haunted World
- What is The Demon-Haunted World about?
- Carl Sagan defends scientific skepticism, examining UFO claims, faith healing and witch hunts to show how to test ideas and why that habit protects a free society.
- Who should read The Demon-Haunted World?
- Read it if you want a toolkit for spotting bad arguments, written with warmth. Skip it if you want new science news, as many examples are from the 1990s.
- How long and how fast is The Demon-Haunted World?
- It is a medium-paced, long read of about 457 pages, first published in 1995.
- Does The Demon-Haunted World have content warnings?
- We have not noted any content warnings for this book yet.
- Can I borrow The Demon-Haunted World for free?
- Often, yes. Check Libby (OverDrive) to see whether your library lends The Demon-Haunted World; the borrow button above searches it for you.
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Where to get it
| Store | Price | Link |
|---|---|---|
| Borrow free | ||
| Libby / OverDrive | Free with a library card | Borrow free with Libby from Libby / OverDrive |
| Print, new | ||
| Bookshop.org | Check price | Buy new from Bookshop.org |
| Amazon | Check price | Buy new from Amazon |
| Ebook | ||
| Kobo | Check price | Buy ebook from Kobo |
| Google Play Books | Check price | Buy ebook from Google Play Books |
| Audiobook | ||
| Libro.fm | Check price | Buy audiobook from Libro.fm |
| Audible | Check price | Buy audiobook from Audible |
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