Books like The Main Enemy
Milt Bearden, James Risen
The Main Enemy is 576 pages, about 10 hours 34 minutes at 250 words a minute.
12 books to read next
How long each takes
The CIA and the Cult of Intelligence 7.3 h 
The Mitrokhin Archive II 12.4 h 
The Matarese Circle 11.0 h 
Warday 7.0 h 
The Billion Dollar Spy 5.7 h 
Deep Lie 7.6 h 
The Nazis Next Door 5.6 h 
Kgb/CIA 3.5 h The Mitrokhin Archive 18.3 h 
KGB 12.9 h 
Legacy of Ashes 13.0 h 
Spet︠s︡operat︠s︡ii 9.3 h Bar height shows length. Estimated at 250 words a minute.