Books like Halo: Mortal Dictata
Karen Traviss
Halo: Mortal Dictata is 496 pages, about 9 hours 6 minutes at 250 words a minute.
12 books to read next
How long each takes
Contact Harvest 7.3 h 
Silentium 6.1 h 
The Stars Are Legion 7.3 h 
The Cole Protocol 6.8 h 
Halo Cryptum 6.5 h 
Halo 7.2 h 
Tiamat's Wrath 10.0 h 
Star Wars - Thrawn - Treason 7.5 h 
A Call to Duty 7.3 h 
Echoes of Honor 13.5 h 
Halo 7.3 h 
Star Wars - Resistance Reborn 6.8 h Bar height shows length. Estimated at 250 words a minute.