Those within the zone live safe, if limited, lives in a society controlled by a common fear. Few have any reason to venture out of zone, except for the adrenaline junkies who pay a fortune to tour what's left of nature. Those among the latest expedition include a popstar and his girlfriend, Edie; the tech giant Wes; and Marta; a seemingly simple housewife. Once out of zone, the group find themselves at the mercy of deadly ticks--and at the center of a murderous plot. They become captives in Ruby City, a community made up of outer-zone survivors determined to protect their hardscrabble existence. As alliances and friendships shift amongst the hostages, Edie, Wes, and Marta must decide how far they are willing to go to get to the right side of the salt line.

    They’re hunting her to save their future.World War III has left the world ravaged by nuclear radiation. A lucky few escaped to the Alaskan wilderness. They've survived for the last thirty years by living off the land, being one with nature, and hiding from whoever else might still be out there.At least, this is what Juneau has been told her entire life.When Juneau returns from a hunting trip to discover that everyone in her clan has vanished, she sets off to find them. Leaving the boundaries of their land for the very first time, she learns something horrifying: There never was a war. Cities were never destroyed. The world is intact. Everything was a lie.Now Juneau is adrift in a modern-day world she never knew existed. But while she's trying to find a way to rescue her friends and family, someone else is looking for her. Someone who knows the extraordinary truth about the secrets of her past.

    When radio transmissions of a resistance offering shelter and safety cease, Abby is tempted to give up. Struggling to overcome life-threatening obstacles in their dangerous journey, Abby and her companions quickly discover there are much worse things lurking in the dark than they could have ever imagined.

    That is, until she finds a potential answer buried deep in the human genome. But before her solution can be tested, her lab is brutally attacked, and Emily is forced to go on the run with two human companions - college student Jason and small-town Sheriff, Mayra.As the sun's death draws near, Emily and her friends must race against time to save humanity. But before long it becomes clear that it's not only the species at stake, but also that which makes us most human.