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About this Book:

• The remnants of humanity live underground in a vast silo. In this subterranean world, rules matter. Rules keep people alive. And no rule is more strictly enforced than to never speak of going outside. The punishment is exile and death.
• When the sheriff of the silo commits the ultimate sin, the most unlikely of heroes takes his place. Juliette, a mechanic from the down deep, who never met a machine she couldn’t fix nor a rule she wouldn’t break.
• What happens when a world built on rules is handed over to someone who sees no need for them? And what happens when a world broken to its core comes up against someone who won’t stop until things are set to right?
• Their world is about to fall. What—and who—will rise?