From two-time Carnegie Medal winner Patrick Ness comes an enthralling and provocative new novel chronicling the life - or perhaps afterlife - of a teen trapped in a crumbling, abandoned world.A boy called Seth drowns, desperate and alone in his final moments, losing his life as the pounding sea claims him. But then he wakes. He is naked, thirsty, starving. But alive. How is that possible? He remem...