The first book in the New York Times bestselling series that inspired the hit CW television show.No one has set foot on Earth in centuries--until now.Ever since a devastating nuclear war, humanity has lived on spaceships far above Earth's radioactive surface. Now, one hundred juvenile delinquents -- considered expendable by society -- are being sent on a dangerous mission: to recolonize the planet. It could be their second chance at life...or it could be a suicide mission.Cla