In the United, the population is strictly regulated, disease has been eradicated, and crime is nonexistent. Seventeen-year-old Cassie has never stepped out of line. When she tries to tell people that her suddenly missing twin, Becca, is in trouble, no one believes Cassie because Becca was always causing trouble. Except Cassie knows the truth: Becca is the ninth kid to go missing this year. And none of them have come back. Meanwhile, Becca wakes up in Crazy House, a maximum-security prison. All the prisoners are kids, like her. And death is the only way out. Her only hope is that perfect little Cassie starts breaking the rules to look for her… is a non-stop thrill ride from James Patterson, the #1 bestselling author of , , and .