Books like The Purple Emperor
Herbie Brennan
The Purple Emperor is 432 pages, about 7 hours 55 minutes at 250 words a minute.
12 books to read next
How long each takes
Coraline 3.2 h 
The Screaming Staircase 7.7 h 
Ironside 6.1 h 
Tithe 5.9 h Knife 5.8 h 
Intertwined 7.0 h 
Hollow City 7.5 h 
City of Glass 9.9 h 
Peter Pan 1.8 h 
Light 7.9 h 
Calvin et Hobbes, Tome 12 2.3 h 
The Immortal 4.1 h Bar height shows length. Estimated at 250 words a minute.