Books like Rivers of London
Ben Aaronovitch
Rivers of London is 400 pages, about 7 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
From Dead to Worse 6.6 h 
Supernatural 4.0 h 
Succubus Heat 6.3 h 
Last Call 10.0 h 
The Wizard of London 6.8 h 
Haunted 9.1 h 
Kill the Dead 8.0 h 
Unnatural Issue 6.8 h 
The Return 5.5 h 
Crystal Gardens 6.4 h 
Changes 8.2 h 
The Good House 8.8 h Bar height shows length. Estimated at 250 words a minute.