In the tumultuous life of Siena Lang, each passing day morphs into an arduous battle. A wretched job, a paltry salary, and the haunting void left by the loss of her parents converge into a catastrophe that defines her existence. The belief that things couldn't possibly worsen shatter when her younger brother, Max, calls her in a panic.

A nerve agent is deployed in cities across the country, and within hours tens of millions are dead—but the worst is yet to come. Caught in the middle of the attacks in Los Angeles, the vacationing O’Brian family barely survives by the skin of their teeth—but soon find themselves trapped in the midst of a city of the dead. The only way back to their family in Oregon is to go straight through the heart of the charnel house, a prospect that is easier said than done.

Who decides what’s best for Alaskans? Mandates from on high, for the greater good. Reduce violence. Eliminate hunger. Save the people by dehumanizing them. Make them dependent. Take the citizens' voice. Remove their claws. Cory Beringer’s old man took him to Rhodesia to fight as a mercenary when the boy was thirteen. Who does that? Someone who believes when society falls, it won’t be a catastrophic train wreck.

A cataclysmic event shakes the world, leaving a father divided from his family. Survival becomes the ultimate battle, and he must fight with every ounce of strength to reunite with his loved ones. Nick navigates the chaos of New York City after a cataclysmic world event, facing humankind's darkest hour. Christine "Chris" grapples with keeping a family safe on a horse farm in Louisville, Kentucky. Searching for her calling and a sense of self-worth, Gabby gets in way over her head, forced to discover what she's truly made of.

When terrorists launch a devastating attack that brings America to its knees, two orphaned siblings and a retired Army major are unwittingly thrust into a war that will ultimately determine the fate of an entire nation. And the world. As the U.S. crumbles and enemies both foreign and domestic push to take away everyone’s freedom, they will have to navigate a treacherous landscape where trust is as fleeting as survival.