A global solar flare strikes destroying the power grid and stranding Riley Poole in Washington, DC.Navigating life was already no picnic for Riley, a young widowed surgeon with a teenage daughter. Now, it will take near superhuman courage to find safe harbor in a world gone mad. With the help of a brilliant but quirky cardiologist named Coop, she must conquer her fears, traverse hundreds of miles of frozen terrain, and survive hostile confrontations to get her daug...

In the aftermath of a global solar flare that has decimated the human population and wreaked havoc on Earth, Dr. Riley Poole embarks on a treacherous 1,500-mile journey to learn the fate of her two youngest children.After making the heart-wrenching decision to leave her injured daughter, Julia, in Virginia, Riley and her new husband, Coop, strike out into the wilderness toward Colorado. Along the way, they cross paths with old acquaintances and combine resources to...

Two years after a Coronal Mass Ejection struck Earth, killing billions and destroying all vestiges of modern technological life, Dr. Riley Poole struggles to keep her family and career together as she continues the desperate search for her missing daughter, Julia.When Riley gets news that Julia is alive in an internment camp on hostile soil, she abandons her post with a field medical unit and races to Julia's rescue. When old enemies resurface, she runs into more t...