Books like The Apocalypse Codex
Charles Stross
The Apocalypse Codex is 386 pages, about 7 hours 5 minutes at 250 words a minute.
12 books to read next
How long each takes
All Together Dead 6.2 h 
From Dead to Worse 6.6 h 
The Changeling 8.1 h 
The Daylight War 11.6 h 
Sleeping Beauties 15.5 h 
Succubus Heat 6.3 h 
Black Magic Sanction 9.1 h 
The Thirty-Nine Steps 2.1 h 
Hell Bent 9.5 h 
Living with the Dead 7.6 h 
Vision in Silver 9.4 h 
The Dirty Streets Of Heaven 8.5 h Bar height shows length. Estimated at 250 words a minute.