Books like The Holcroft Covenant
Robert Ludlum
The Holcroft Covenant is 498 pages, about 9 hours 8 minutes at 250 words a minute.
12 books to read next
How long each takes
Inside the Third Reich 12.5 h 
Diaries 9.0 h 
Once We Were Brothers 9.5 h 
Thunder Point 6.6 h 
The Architect of Genocide 6.2 h 
The Happiest Man on Earth 3.8 h 
In Hitler's Bunker 4.4 h 
The Reader 3.8 h 
The Atrocity Archives 6.2 h 
The Odessa File 6.1 h 
Lilac Girls 9.4 h 
Sarah's Key 6.5 h Bar height shows length. Estimated at 250 words a minute.