Books like The Difficulty of Being Good
Gurcharan Das
The Difficulty of Being Good is 434 pages, about 7 hours 57 minutes at 250 words a minute.
6 books to read next
How long each takes
The Illustrated Mahabharata 9.3 h Yatharth Geeta - Shreemad Bhagwad Geeta 7.1 h 
Mahabharata 7.7 h 
Indian Philosophy 13.5 h 
The Sadeian Woman 2.8 h 
Saga Crepúsculo 10.0 h Bar height shows length. Estimated at 250 words a minute.