Dan Wells books in order
4 books in the catalogue, about 30 hours of reading in all; the shortest takes 5 hours and the longest 10 hours.
1 series and 2 standalone books in the catalogue.
John Cleaver
6 books 1 
I Am Not a Serial Killer 5.0 h 
The Devil's Only Friend 5.6 h
I Am Not a Serial Killer 5.0 h 2 Mr. Monster length not known
3 I Don't Want to Kill You length not known
4 The Devil's Only Friend 5.6 h 5 Over Your Dead Body length not known
6 Nothing Left to Lose length not known
