Silo

Silo is a series of post-apocalyptic science fiction books by Hugh Howey. Books: • Wool (July 30, 2011) • Wool: Proper Gauge (November 30, 2011) • Wool: Casting Off (December 11, 2011) • Wool: The Unraveling (December 26, 2011) • Wool: The Stranded (January 25, 2012) • First Shift: Legacy (April 14, 2012) • Second Shift: Order (November 12, 2012) • Third Shift: Pact (January 24, 2013) • Dust (August 17, 2013) Omnibuses: • Wool (2012, contains books 1-5) • Shift (January 28, 2013, contains books 6-8) The Wool books, Shift novels and Dust have also been published in a single volume: • The Wool Trilogy (2014)