Shift Omnibus Edition (Shift 1-3) (Silo series Book 2)
Wool Omnibus Edition [Kindle in Motion] (Silo series Book 1)
Sand Omnibus
Beacon 23: The Complete Novel
Wool 4 - The Unraveling (Silo series)
Wool 5 - The Stranded (Silo series)
Wool 2 - Proper Gauge (Silo series)
Wool 3 - Casting Off (Silo series)
Third Shift - Pact (Part 8 of the Silo Series)