Books like Different Seasons
Stephen King
Different Seasons is 531 pages, about 9 hours 44 minutes at 250 words a minute.
6 books to read next
How long each takes
The Reader 3.8 h 
Hannibal Rising 6.3 h 
The Boys from Brazil 5.1 h 
The Rape of the Mind; the Psychology of Thought Control, Menticide, and Brainwashing 5.9 h 
Schindler's Ark 7.9 h 
An Intimate History of Killing 10.1 h Bar height shows length. Estimated at 250 words a minute.