Books like The Fourth Protocol
Frederick Forsyth
The Fourth Protocol is 487 pages, about 8 hours 56 minutes at 250 words a minute.
12 books to read next
How long each takes
Berlin Game 6.2 h 
Billion-dollar Brain 5.7 h 
Force 10 from Navarone 4.8 h 
Clear and Present Danger 12.6 h 
Shibumi 7.3 h 
The Chemist 9.7 h 
Live and Let Die 4.7 h 
American Assassin 8.0 h 
Doctor No 4.4 h 
Goldfinger 5.7 h 
Killing Eve 4.4 h 
Diamonds Are Forever 4.5 h Bar height shows length. Estimated at 250 words a minute.