Books like Washington's Spies
Alexander Rose
Washington's Spies is 384 pages, about 7 hours 2 minutes at 250 words a minute.
12 books to read next
How long each takes
Double Cross 8.4 h 
Agent Zigzag 6.8 h 
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The Hut Six Story 6.0 h 
Aquarium 7.6 h 
Churchill's Ministry of Ungentlemanly Warfare 6.8 h 
Spy Counterspy 5.1 h 
The Reluctant Spy 3.8 h 
The Eagle Has Landed 7.0 h 
Blind Man's Bluff 7.5 h 
In Search of Enemies 5.2 h 
Israel's Secret Wars 11.1 h Bar height shows length. Estimated at 250 words a minute.