The third book in the award-winning, best-selling dystopian series.They've escaped the Breeders. They've broken out of the Citadel. Now, after all they've been through, Riley, Clay, and Ethan know one thing for sure: nothing tastes sweeter than freedom. And no one can rest easy with Auntie Bell in bondage. The group journeys home to rescue her and liberate Clay's town from the cruel Warden. But when an ally betrays them, they must face the very enemy...