Books like Flight of the Old Dog
Dale Brown
Flight of the Old Dog is 347 pages, about 6 hours 22 minutes at 250 words a minute.
12 books to read next
How long each takes
Clear and Present Danger 12.6 h 
Rainbow Six 16.5 h 
Forty Signs of Rain 6.9 h 
Arc Light 9.8 h 
The Sympathizer 7.2 h 
Force 10 from Navarone 4.8 h 
Devil's Hand 7.6 h 
SSN 6.5 h 
The Rose Code 7.3 h 
Shibumi 7.3 h 
The Ninja 9.4 h 
The Chemist 9.7 h Bar height shows length. Estimated at 250 words a minute.