Books like The Mirror Empire
Kameron Hurley, Liza Ross
The Mirror Empire is 512 pages, about 9 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
Half of a Yellow Sun 9.2 h 
Knife of Dreams 15.3 h 
A Clash of Kings 14.0 h 
Small Country 4.0 h 
The Cruel Prince 6.8 h 
A Court of Wings and Ruin 13.2 h 
One Day of Life 3.1 h 
The Host 11.9 h 
The Widow's House 9.7 h 
The Dragonbone Chair 14.4 h 
Storm Rising 7.6 h 
The Crystal Shard 6.3 h Bar height shows length. Estimated at 250 words a minute.