Silo Series Reading Order

Hugh Howey's Silo trilogy. Three books, read in order: Wool (2012), Shift (2013), Dust (2013). Now an Apple TV+ series.

The Silo series by Hugh Howey began as a self-published short story in 2011 and became one of the most successful indie publishing stories in history. Wool spent years on bestseller lists and is now an Apple TV+ series. The trilogy is tight, propulsive post-apocalyptic science fiction.

Apple TV+ Silo Series

The Apple TV+ adaptation Silo debuted in 2023 to strong reviews and was renewed for a second season. If you've watched the show, the books provide significantly more depth, especially the world-building in Shift.

Silo Trilogy — Reading Order

2012Start Here

Wool

In an underground silo of 10,000 people, the worst punishment is to be sent outside to clean the sensors that look out on the toxic world. No one survives the cleaning. When the head of the silo asks to be sent out, mechanic Juliette begins to investigate what the silo is hiding. One of the best sci-fi debuts of the decade.

Buy on Amazon →

2013

Shift

A prequel told from multiple timelines, Shift reveals how and why the silos were built. It answers questions raised by Wool while raising larger ones about power, complicity, and what people will accept to feel safe.

Buy on Amazon →

2013Series Finale

Dust

The trilogy concludes with Juliette leading a desperate attempt to understand the full scope of what the silos were designed for. Dust delivers on the promises of both previous books and provides a satisfying resolution.

Buy on Amazon →

Sand — Companion Novel

Sand (2014) is a standalone novel set in the same post-apocalyptic world but featuring different characters. Not required reading. Works on its own. Fans of the trilogy who want more of Howey's world should read it after completing all three Silo books.

Silo Series FAQ

Is Wool the first Silo book?

Yes. Wool (2012) is the first book and the place to start. It was originally published as a series of short stories, then compiled into a single novel. Read Wool, then Shift, then Dust.

How does the Apple TV+ Silo compare to the books?

The show is a faithful and well-produced adaptation of Wool. It covers roughly the same events as Book 1 and begins drawing on Shift in Season 2. Most readers recommend the books for more depth.

Is the Silo series finished?

The original trilogy (Wool, Shift, Dust) is complete. Howey has discussed returning to the world but has not published additional Silo novels as of 2025.

What to Read After

Author

Hugh Howey — Full Bibliography