Books like The Demon-Haunted World
Carl Sagan
The Demon-Haunted World is 472 pages, about 8 hours 39 minutes at 250 words a minute.
12 books to read next
How long each takes
Bad Science 6.2 h 
Why People Believe Weird Things 5.6 h 
Knocking on Heaven's Door 8.3 h 
Relativity 3.0 h 
The Human Use of Human Beings 3.8 h 
The Intelligent Man's Guide to Science 16.0 h 
The Knowledge 6.2 h 
The Human Body 5.9 h 
The Human Brain 6.6 h 
Bonk 5.9 h 
Chaos 6.7 h 
Fahrenheit 451 3.5 h Bar height shows length. Estimated at 250 words a minute.