Deadly radiation from a passing comet is about to destroy life on Earth. In desperation, the US government constructs a series of underground shelters to protect as many people as possible. They are expected to be underground for 20 years before returning back to the surface. But can they survive their time within the confines of the underground shelter? And what will they find when they finally emerge?

He’s spent his career searching the stars for the ultimate prize. When he finds it, he must fight to preserve a lost civilization. Deep space, 2180. Interstellar salvager Kees DeWet wants his life to mean more than money. So when he discovers an abandoned spacecraft, he can’t help but be enthralled by a video message from the long-dead crew. Refusing to scrap the vessel as ordered, he inspires a mutiny that lands him in the brig. Driven to protect the legacy of the doomed passengers, Kees escapes arrest and powers up the derelict.

When an EMP catastrophe shuts down power worldwide, Melanie Pearson must embark on a grueling trek to reunite with her family. But before she can cross the savage wastelands, she’ll need to help her boss find his own son first. And Melanie quickly realizes she may have made a deal with the devil himself….

In a world devastated by alien invasion, Jarek and Rachel were never paragons of heroism. They survived, same as anyone else. They protected what was dear—Jarek with his exosuit and beloved AI companion, Rachel with her brother. They kept things simple... until the raknoth came and took it all away.

Nine brilliant scientists travel light-years on a one-way trip to an Earthlike planet. Their mission is to study from orbit the two species of intelligent lifeforms on the surface. The first: an isolated people embarking on civilization and building their world's first city. The second: a brutal race of massive predators, spread thick and still growing across the dominant landmass - destined to breed and eat their way to extinction within a few centuries.

Merritt Alder is done with Earth. The planet is polluted and overpopulated, and its people are hungry. Earth's first colony, Galena, is a pioneer world 10,000 light years away. It has clean air, unpolluted water, and continents of arable land. Anyone can start a new life…if they can get there. For Merritt, the journey is only the beginning. Obstacles arise every step of the way, forcing compromise and sacrifice. And not everyone on his ship is pure of heart. The bonds he forges on the journey will be the key to surviving on another world—a world anyone has yet to fully explore.

On a six-year journey to Gliese 581g, Zarmina’s World, Daniel Medry and a crew of scientists plan to explore a brand-new world. But when a man-made virus wipes out most of Earth’s population and leaves the rest infertile, their exploration mission becomes humanity’s only hope for survival. Alone in deep space, some worry that a series of equipment malfunctions may not be accidental. As their ship's issues become critical, some fear that someone onboard wants to keep them from making planetfall. 

Konran Andacellos has all but given up on his dream to be a starfighter. After botching an airshow maneuver and being reduced to a captaincy on a rock hauler, the ambitious 22-year-old never expected an ambush to sweep in and blow his convoy to dust. With the lives of his crew on the line, Konran leaps into a pitiful one-man defense craft and obliterates the enemy against impossible odds.

Michael, a professor of particle physics, has discovered a way to pierce the veil of time and space, but in so doing, he’s unwittingly opened Pandora’s box. Is it possible to undo what a future version of yourself has done, or is the world doomed to the chaos that’s been loosed on the world?

The rain began nineteen years ago, and it never stopped: more than a foot of rain per day until almost the whole of North America was underwater. Those who survived the first year were forced to take drastic measures, and those who held to the veneer of civilization were few and very far between. Seventeen-year-old Tanner grew up after the rain began. She and her adoptive caretaker, Russell, have long sought a fabled Colorado refuge, a dream that has kept them going through years of brutal trials as they try to stay one step ahead of the “face eaters”.

Archaeologist Eliana Fisk is ripped from Earth while the whole world watches. She lands on a strange new world inhabited by a lost tribe of ancient Mayans. Meeting them, getting firsthand exposure to age-old customs and rituals...it seems like an archaeologist’s dream. But what if their rituals have a darker meaning? What if the god these people pray to is no god at all? And how in the world will she ever get back home?

Ian Stevens, director of the Deep Space Research Institute, isn’t interested in conducting research just for the sake of research. While the rest of the world - including the US Government - thinks that’s the DSRI’s sole mission, Stevens is actually interested in more - he wants manned space travel and the colonization of the moon. With NASA defunct, few scientific probes are being launched, and no one even talks about human spaceflight anymore. Stevens is out to change that.

Ripped from the headlines, the explosive Trackers saga is a realistic depiction of what an EMP attack and the aftermath might look like from one of the genre's leading voices, USA Today best-selling author and former Homeland Security disaster mitigation officer Nicholas Sansbury Smith. This box set includes the entire four-book Trackers series with over 30 hours of post-apocalyptic survival fiction and action. This box set includes Trackers, Trackers 2: The Hunted, Trackers 3: The Storm, and Trackers 4: The Damned.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

In the 25th century, the recently widowed Prince Jack Windsor escapes his grief after the death of his wife and child by fleeing to Mars to solve the mystery of the dormant HMS Ares. When Harlow Hanson, the Robin Hood of the Martian colony, sneaks aboard to plunder the ship in order to save her people, the Ares springs to life and begins communicating with her. Prince Jack realizes the woman stealing from him is the key he's been searching for.