Books like The Unnatural Inquirer
Simon R. Green
The Unnatural Inquirer is 256 pages, about 4 hours 42 minutes at 250 words a minute.
12 books to read next
How long each takes
The Eye of Osiris 6.0 h 
Persuader 8.5 h 
Sweet Silver Blues 5.2 h 
Career of Evil 9.7 h 
Dirk Gently’s Holistic Detective Agency 5.1 h 
When We Were Orphans 6.4 h 
Dark Light 7.1 h 
The House of Silk 5.6 h 
Princess 7.3 h 
The Nursing Home Murder 3.6 h 
Live Wire 7.0 h 
Every Dead Thing 8.8 h Bar height shows length. Estimated at 250 words a minute.