To help him shake his Woz addiction, Billy and Rowan transport Cager Messer up to the , a giant lunar-cruise ship orbiting the moon. Meanwhile, Earth, in the midst of thirty simultaneous wars, burns to ash beneath them. And as the robots on board become increasingly insane and cannibalistic, and the Earth becomes a toxic wasteland, the boys have to wonder if they’ll be stranded alone in space forever. In , Andrew Smith, Printz Honor author of , makes you laugh, cry, and consider what it really means to be human.