Books like A Promise of Fire
Amanda Bouchet
A Promise of Fire is 446 pages, about 8 hours 11 minutes at 250 words a minute.
12 books to read next
How long each takes
Fire & Blood 16.1 h 
The Way of Kings 18.5 h 
Before They Are Hanged 10.6 h 
Last Argument of Kings 12.3 h 
Proof by Seduction 6.9 h 
The Well at the World's End 8.2 h 
The Raven Tower 7.9 h 
Vampire Most Wanted 6.9 h 
King of Ashes 10.3 h 
Tower Lord 11.1 h 
Arthur 9.4 h 
The Goblin Emperor 8.8 h Bar height shows length. Estimated at 250 words a minute.