Books like For Cause and Comrades
James M. McPherson
For Cause and Comrades is 247 pages, about 4 hours 32 minutes at 250 words a minute.
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22 Cells in Nuremberg 4.5 h 
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To Hell and Back 5.0 h 
With the Old Breed 6.8 h 
Scattered 6.4 h 
A Rumor of War 6.5 h 
About Face 16.4 h 
On Combat 7.3 h Bar height shows length. Estimated at 250 words a minute.