Books like War Without Mercy
John W. Dower
War Without Mercy is 399 pages, about 7 hours 19 minutes at 250 words a minute.
12 books to read next
How long each takes
Racism Without Racists 5.4 h 
Manufacturing Consent 7.6 h 
A World at Arms 21.6 h 
Propaganda 2.9 h 
Armageddon 12.2 h 
Hollywood Goes to War 6.9 h 
After the Ball 7.3 h 
White Fragility 3.5 h 
So You Want to Talk About Race 4.7 h 
Black Skin, White Masks 4.3 h 
Covering Islam 4.1 h 
Catch-22 8.5 h Bar height shows length. Estimated at 250 words a minute.