Books like The Copper Promise
Jen Williams
The Copper Promise is 492 pages, about 9 hours 1 minute at 250 words a minute.
12 books to read next
How long each takes
A Game of Thrones 14.7 h 
The Children of Men 5.8 h 
Oathbringer 22.8 h 
A Little Hatred 9.4 h 
Wizard and Glass 13.5 h 
Mistborn 31.4 h 
Song of Susannah 8.5 h 
The Obelisk Gate 8.1 h 
Red Sister 9.2 h 
Wolves of the Calla 13.1 h 
Fool's Fate 14.8 h 
The Atlas Six 7.3 h Bar height shows length. Estimated at 250 words a minute.