Books like The Last Colony
John Scalzi
The Last Colony is 320 pages, about 5 hours 52 minutes at 250 words a minute.
12 books to read next
How long each takes
Hellhole 9.7 h 
Tilting the Balance 9.1 h 
The Cole Protocol 6.8 h 
Halo Cryptum 6.5 h 
Halo 7.0 h 
A Call to Duty 7.3 h 
A Call to Arms 7.8 h 
Shadow Of Freedom 9.6 h 
Scattered Suns 13.5 h 
On Basilisk Station 7.8 h 
Terms of Enlistment 6.1 h 
A Forest of Stars 13.2 h Bar height shows length. Estimated at 250 words a minute.