Books like Discoveries and Opinions of Galileo
Galileo Galilei
Discoveries and Opinions of Galileo is 302 pages, about 5 hours 32 minutes at 250 words a minute.
12 books to read next
How long each takes
Astronomy 12.7 h 
Exploration of the Universe 12.2 h 
Astronomy 11.7 h 
The Physical Universe 10.7 h 
Cosmos 6.5 h 
The Prince 2.9 h 
On the Shoulders of Giants 22.0 h 
The Republic 7.3 h 
The Book Nobody Read 5.9 h 
Nicomachean Ethics 6.0 h 
Universe 14.0 h 
Leviathan 9.3 h Bar height shows length. Estimated at 250 words a minute.