Books like The Diabolic
S. J. Kincaid
The Diabolic is 416 pages, about 7 hours 38 minutes at 250 words a minute.
6 books to read next
How long each takes
The False Prince 6.4 h 
Insurgent 9.6 h 
False Prince 6.3 h 
The King of Attolia 7.1 h 
Imposters 7.4 h 
Star Trek The Next Generation - Starfleet Academy - Loyalties 2.4 h Bar height shows length. Estimated at 250 words a minute.