Books like Confederates In The Attic
Tony Horwitz
Confederates In The Attic is 432 pages, about 7 hours 55 minutes at 250 words a minute.
6 books to read next
How long each takes
This Republic of Suffering 6.8 h 
Race and Reunion 9.7 h 
Ghosts of Spain 7.3 h 
Beyond Belief 8.1 h 
Out of Sheer Rage 4.7 h 
Rolling Blackouts 5.5 h Bar height shows length. Estimated at 250 words a minute.