Only one will survive.The city of Kersh is a safe haven, but the price of safety is high. Everyone has a genetic Alternate—a twin raised by another family—and citizens must prove their worth by eliminating their Alts before their twentieth birthday. Survival means advanced schooling, a good job, marriage—life.Fifteen-year-old West Grayer has trained as a fighter, preparing for the day when her assignment arrives and she will have one month to hunt down and kill her Alt. But then a tragic misstep shakes West’s confidence. Stricken with grief and guilt, she’s no longer certain that she’s the best version of herself, the version worthy of a future. If she is to have any chance of winning, she must stop running not only from her Alt, but also from love . . . though both have the power to destroy her.

    We’re all going to die. To sixteen-year-old Micka, all words have flavours. Her emotions come with such force that she can’t help but carve them into her skin. The night she decides to kill herself, she meets Runner -- a mysterious stranger who makes her question everything she’s learned about the end of the world. His message is terrifying: It wasn’t some mysterious disease that killed ten billion people. We did this. Humanity sleepwalked into climate disaster and ecocide, just to butcher and rape until blood stained the seas. Micka is sure Runner is lying. Her instincts urge her to stay far away from him. But he makes her an offer she finds hard to resist. There are only two rules she must follow: Kill. Survive. Because the final wars were never meant to end. Warning: Contains violence and other content which may be triggering to readers.

    The hunt has just begun.It is 2059, and the world has crashed. Forty years ago, a solar catastrophe began to slow the planet's rotation to a stop. Now one half of the globe is permanently sunlit, the other half trapped in an endless night. The United States has colonized the southern half of Great Britain--lucky enough to find itself in the narrow habitable region left between frozen darkness and scorching sunlight--where both nations have managed to survive the ensuing chaos by isolating themselves from the rest of the world.Ellen Hopper is a scientist living on a frostbitten rig in the cold Atlantic. She wants nothing more to do with her country after its slide into casual violence and brutal authoritarianism. Yet when two government officials arrive, demanding she return to London to see her dying college mentor, she accepts--and begins to unravel a secret that threatens not only the nation's fragile balance, but the future of the whole human race.

    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.CLARKE was arrested for treason, though she's haunted by the memory of what she really did. WELLS, the chancellor's son, came to Earth for the girl he loves—but will she ever forgive him? Reckless BELLAMY fought his way onto the transport pod to protect his sister, the other half of the only pair of siblings in the universe. And GLASS managed to escape back onto the ship, only to find that life there is just as dangerous as she feared it would be on Earth.Confronted with a savage land and haunted by secrets from their pasts, the hundred must fight to survive. They were never meant to be heroes, but they may be mankind's last hope.

    Not about her city. Not about their leader, Chief Morray. But when Joseph gives her a secret journal from the past, the truth is revealed. She escapes with Joseph to the Outside, sending Chief Morray on an obsessive pursuit to retrieve his property. Ava has to decide if she should keep running, or return to the city center to save her people.