Books like In Retrospect
Robert Francis McNamara
In Retrospect is 414 pages, about 7 hours 35 minutes at 250 words a minute.
12 books to read next
How long each takes
Fire in the Lake 9.4 h 
America's Longest War 6.5 h 
Anatomy of a War 11.9 h 
The Healer's War 6.2 h 
Home Before Morning 6.1 h 
The Armies of the Night 5.7 h 
The Sorrow of War 4.3 h 
Bloods 5.9 h 
Vietnam, a History 14.1 h 
The Best and the Brightest 12.6 h 
Vietnam 13.8 h 
A Rumor of War 6.5 h Bar height shows length. Estimated at 250 words a minute.