Books like The Battle of Hackham Heath
John Flanagan
The Battle of Hackham Heath is 357 pages, about 6 hours 33 minutes at 250 words a minute.
12 books to read next
How long each takes
Steelheart 7.6 h 
Fading Echoes 7.0 h 
Calamity 7.9 h 
Legend 5.7 h 
Prodigy 7.3 h 
Restore Me 8.1 h 
Sir Thursday 6.4 h 
Eragon 10.6 h 
The King of Attolia 7.1 h 
Defy Me 7.0 h 
The Kestrel 4.5 h 
Rogue 7.9 h Bar height shows length. Estimated at 250 words a minute.