When a killer comet hurtles toward Earth, 18-year-old Joanna Murphy is selected to wait out the apocalypse in an underground bunker. She enters cryosleep with her close-knit team, preparing to resettle the planet after the atmosphere clears in 200 years. Joanna is the only one who wakes up. Faced with a bunker full of bones and a blocked exit, Joanna must claw her way to the surface, figure out what happened to her team, and try not to panic - or die. That’s going to be tricky if she’s the only person left in the world.

Clint Redshaw walks into a port facility meeting expecting an ordinary day arguing about the budget. When the shaking starts, he keeps calm. But as the tremors stretch on and on, the ground rips apart, the dock disintegrates, and chunks of land fall into the Strait. When the quake finally ends, there's only one thing on his mind: his daughter. Mika's singing songs and laughing with a gaggle of other sixteen-year-olds as they climb into the Pacific Northwest mountains for a scout weekend. One minute, it's sunshine and good vibes, and the next, it's screaming and chaos.

This is the way the world ends. On a warm summer night in New York City, the apocalypse begins. Within days, the deadly Medusa virus is sweeping the globe like a wildfire, pushing humanity to the brink of extinction. As civilization crumbles around him, survivor Adam Fisher will discover a flicker of hope that will send him on a quest through a ruined American landscape.

In the wake of a summer storm, a strange malady takes hold, slowing mental and physical response. For many exposed, it proves fatal. As scientists race to find a cure for the unexplainable, it spreads.

For Nathan Bray, this philosophical thought experiment becomes brutally real when an inexplicable event causes the oceans of the world to disappear, leaving him stranded on the dried-out ocean floor with his seven-year-old daughter.

Sara Morin, a brilliant computational biologist, makes a discovery that will fundamentally change our understanding of human evolution. But when she publishes her results, she ignites a firestorm she never expected.

What if life as we know it was just a game? What if instead of traditional schools, children learned by participating in a virtual reality simulation, one that allowed them to experience "life" from birth to death - multiple times? What if one player, on his final play, could change the world forever?

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 daughter, Julia, to safety. Will she have the strength and determination to ensure they survive?

Charlie7 is the progenitor of a mechanical race he built from the ashes of a dead world—Earth. He is a robot of leisure and idle political meddling—a retirement well-earned. Or he was, until a human girl named Eve was dropped in his lap. Geneticists have restored Earth’s biome and begun repopulation. But primate cloning is in its infancy; human cloning is banned. Far from a failed genetics experiment, Eve is brilliant, curious, and heartbreakingly naïve about her species’ history. But Eve’s creator wants her back and has a gruesome fate planned for her. 

"The Earth died in less than a minute. Maybe that's an exaggeration. It's not like the planet ceased to exist altogether. It just seemed like it. Cities were reduced to rubble. Millions of people died that day. I've since been told that 95 percent of the Earth's human population was wiped out. I don't know if that's true - I mean, who can know that for sure? It's not like we still have any of the technology that we once used to determine such things. But I do know that it was almost empty of people - live ones, that is..." 

Lucy Goodwin, an emergency room nurse, is anxious to get home to Virginia when her life is turned upside down by the mysterious blackout. Trapped in Washington, DC, and lucky to be alive after her train crashes, she realizes her journey home is only getting started. Lucy befriends a young girl orphaned by the disaster, and together, they must face down humanity’s capacity for darkness if they are to survive the opening days of America’s new reality.

Mahina's terraformers built a high-tech urban paradise. Then Earth flooded the colony with desperate refugees, cop Sass Collier among them. The settlers who arrived with Sass died decades ago. Outside the citadel, their descendants die weak and young.

Ten years ago, Keaton Young turned his back briefly on his four-year-old daughter, Vivian, during a family picnic at the beach. Minutes later, she was gone, her floaties found in the ocean. Drowned. But they never found a body. And Keaton has never given up hope that, somehow, she’s still alive.

Ignium was supposed to solve the world's energy crisis. Instead, it destroyed the planet. In the darkness of the 22nd century, survivors fight to endure what's left.

U.S. Marine Tyson Gage has only one option left: to become a bounty hunter, then collect enough loot and upgrades to mount a rescue among the stars... Eight hundred years in the future. Joined by his dog and a beautiful woman who, despite their attraction, is on his last nerve, Gage must leave life on Earth behind for a universe of aliens, criminals, and hyperspace more deadly and awesome than he can imagine.