Books like The Soldier Spies
W. E. B. Griffin
The Soldier Spies is 379 pages, about 6 hours 57 minutes at 250 words a minute.
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The Huntress 10.3 h 
The Sympathizer 7.2 h 
Tom Clancy's Under Fire 9.6 h 
Agent Zigzag 6.8 h 
Night of the Fox 4.8 h 
The Rose Code 7.3 h 
For Your Eyes Only 4.4 h Bar height shows length. Estimated at 250 words a minute.