Books like The Death of Kings
Conn Iggulden
The Death of Kings is 556 pages, about 10 hours 12 minutes at 250 words a minute.
12 books to read next
How long each takes
Alias Grace 10.1 h 
The Grass Crown 19.4 h 
Augustus 5.6 h 
The October Horse 14.5 h 
Memoirs of Hadrian 5.9 h I, Claudius 7.8 h 
Child of the Morning 8.1 h 
Antonina, or, The Fall of Rome 7.9 h 
Caesar 15.1 h 
Antony and Cleopatra 10.5 h 
Dictator 7.7 h 
Under the Eagle 4.6 h Bar height shows length. Estimated at 250 words a minute.