Books like The Discovery of Heaven
Harry Mulisch
The Discovery of Heaven is 736 pages, about 13 hours 30 minutes at 250 words a minute.
10 books to read next
How long each takes
Of Mice and Men 2.2 h 
The Festival of Insignificance 2.5 h 
The Plague 5.1 h 
The Finkler Question 5.6 h 
The Fall 2.7 h 
Three Comrades 7.0 h 
The Melancholy of Resistance 6.1 h 
Divine Boys 4.6 h 
Tartarin of Tarascon 3.3 h 
Novels 4.2 h Bar height shows length. Estimated at 250 words a minute.