Books like The Blue Djinn of Babylon
Philip Kerr
The Blue Djinn of Babylon is 378 pages, about 6 hours 56 minutes at 250 words a minute.
12 books to read next
How long each takes
The Ring of Solomon 8.2 h 
The Golem's Eye 10.4 h 
Ptolemy's Gate 9.6 h 
The Unwanteds (The Unwanteds #1) 7.2 h 
A Grimm Warning 8.8 h 
The Amulet of Samarkand 8.5 h 
Graceling 7.7 h 
The Wishing Spell 8.2 h 
Skulduggery Pleasant 6.8 h 
The Alchemyst 9.3 h 
The Enchantress Returns 9.7 h 
Dragon Captives 7.9 h Bar height shows length. Estimated at 250 words a minute.