Books like Two Graves
Douglas Preston, Lincoln Child
Two Graves is 552 pages, about 10 hours 7 minutes at 250 words a minute.
12 books to read next
How long each takes
Killing Floor 9.2 h 
The Husband 7.6 h 
Gone Girl 8.7 h 
Slow Horses 6.2 h 
The Big Bad Wolf 7.2 h 
Dark Matter 6.7 h 
The Butterfly Garden 5.6 h 
The Institute 11.4 h 
The Obsidian Chamber 7.5 h 
Origin 11.6 h 
Hour Game 8.7 h 
The Wheel of Darkness 12.0 h Bar height shows length. Estimated at 250 words a minute.