Everyone could see it coming. But one man could do something about it. Oh, he couldn't avert the nuclear holocaust, but a scientist in Austria, ruthlessly using billions of research dollars for his own purposes, set himself up and out: he created a time machine, and filled a warehouse with low-tech survival gear. Too bad he didn't get to use it himself. Instead, a team of American grad students, led by their professor, is sent back to the late Roman Empire. Even though they are experts in this time and place, they are about to realize that books and actual experience are very different things.

A civilization-ending comet is headed for Earth. Two days before impact, thousands of mysterious pods land in a swath across North America. When people touch them, the pods open. Anyone who climbs inside is carried away. No one knows where the pods came from and no one knows where they go, but finding one is David Williams’ only chance to save his family from the end of the world … and escaping Earth is just the beginning.

In the near future space debris around Earth has made it impossible to traverse our solar system. Or it would be, if not for prisoners sentenced to clearing that debris known as Orbital Garbage Removal Experts, or O.G.R.E. for short. Former linguistics professor Dax has made it a habit of working aboard The Junkyard with a small crew, the conspiracy theorist, tech-savvy hacker Mark and the once decorated military hero turned war criminal, Kane.

An engineer finds himself in an alternate reality, Cornwall, in the year 715 A.D. He awakens in the body of a young Baron.

The old world is buried. A new one has been forged atop the shifting dunes. Here in this land of howling wind and infernal sand, four siblings find themselves scattered and lost. Their father was a sand diver, one of the elite few who could travel deep beneath the desert floor and bring up the relics and scraps that keep their people alive. But their father is gone. And the world he left behind might be next.

Willie grew up outside of Damascus, Virginia, and life was never easy for her. She’s a hard-as-nails single mom who struggles to make ends meet with little support and few opportunities. She’s also the community “rescue mom”, taking in young people with no other place to go. All this while dodging an ex-boyfriend turned stalker who also happens to be a cop. Willie only made it to adulthood by being resilient. That toughness, combined with a series of odd jobs and side hustles, helps keep her unorthodox family afloat.

In the serene backdrop of New Hampshire's Franconia Notch, Micah Taylor, an ex-Army Ranger, finds solace with his loyal golden retriever, Grover. Their peaceful existence is suddenly shattered when a first date with his old friend, Jess Bender, takes an unexpected turn. Bright lights descend from the sky, leading them into the dark woods and a shocking discovery: the Kylonari, an advanced alien species with a special connection to Micah, here on a quest to find "The Lost Tribe"—a colony that vanished millennia ago.

When Thomas heard the cries for help, he didn’t hesitate to do the right thing. It was his chance for redemption. Until everything went wrong. The cave should have been deserted. The perfect place to hide. Instead, it’s crawling with soldiers and engineers working to unearth the impossible: Excalibur.

In the middle of the holidays, a biological attack wreaks havoc on the U.S. The virus is quick. Deadly. Unstoppable. The country is left in tatters. For Isaac Race, it’s especially bitter. After the death of his parents and sister, he was just getting his life back on track - the weaponized virus changes all that. Battered by the fresh deaths of his foster parents, but hardened by the year he’s endured, he emerges from the temporary safety of his home to seek out other survivors during the worst winter in years.

Jack Bennet returns from the war to find the life he left behind has moved on without him. The only option he has to make ends meet lies in a military surplus junkyard starship. What’s a former Combat Search and Rescue soldier to do? Fix up the ship, hire the cheapest pilot—a notorious drunk—and take the first contract that comes up: collect a bounty on one of the most ruthless killers in the Pirate Worlds, a place crawling with thieves, cutthroats and con artists whose primary language is violence. Jack must abandon his nice guy persona, or exploit it, if he is to survive.

In back rooms around the world…powerful people gather. Will they decide the next U.S. election? From the first page, the intrigue unfurls into a web of strategy, ideology, and tactics which will be played out on a global stage. Cloaked in secrecy, an ancient organization has plans designed to remake the world. What is the Thule Society? Is the next Civil War their plan?

Years after the outbreak of a mysterious pandemic, hardly any survivors are left in the quarantined wasteland of North America. Hunger and the menace of man-eaters are nothing compared to the ferals–those who were infected and mutated by the virus. The ferals have an unquenchable need to hunt and kill, and even a single bite will quickly transform human into a rabid beast. Two survivors, the pregnant Megan and her brother David, leave a deserted colony to seek a safer haven.

Mitch's mediocre life has just taken a turn for the worse, so his buddy tries to cheer him up by showing him a secret starship. Unfortunately, everything goes south when hostile aliens arrive. In an effort to save his buddy and the starship from the aliens, Mitch does the obvious thing: he accidentally warps hundreds of light-years away. Marooned in a distant star cluster, Mitch is forced to deal with a snarky teenage AI, a rogue auto-pilot, and a beautiful alien soldier who's ready to steal his ship at any moment—so she can fight an oppressive military faction, of course.

He knows it, and so does everyone else in the star nation of Prometheus. A promising naval career down the drain just because he accidentally killed 504 civilians. So, it's time for him to give up and accept a dead-end command on Persephone, the worst starship in the fleet. Until he meets the beautiful and cunning Jessica Lin, his new executive officer, who harbors a terrible secret of her own. Now, with an enemy warship four times their size bearing down on them, Brad's in a race to save Jessica and his stupid ship.

A massive solar flare. A devastating global blackout. Amid the pandemonium, a ship loaded with fuel faces the ultimate threat: mutiny. The desperate captain will do anything to maintain order while he races to get his precious cargo to the safety of homeport, but time is running out. On land, in cities without power, violence rules the streets as society crumbles into chaos.

It’s Sunset Station! Where astronaut Kris Standard and her crack team of fellow astronauts work tirelessly to bring us the future of space travel for a fraction of the cost! On Sunset Station! cost-effectiveness is baked into in the design specs! Really! “Ask not how to do it, ask how to do it for less” is our motto! When it comes to Sunset Station! keeping six people alive in space on a budget is no problem! Just as long as everything continues to work exactly right! Because if something goes wrong…? Dear God, nothing better go Sunset Station! Nothing ever goes wrong! Ever!

A father's final warning. When a catastrophic attack on the nation plunges the world into chaos, civilization collapses overnight. Amidst the anarchy, New York thrift store owner Erika Blake stumbles upon a leather-bound survival guide—The Safety Plan. Written by a father to his estranged son, Michael Shepherd, it outlines a path to safety, but at a cost. To escape the disaster, Erika must choose: follow the journal’s coordinates to a remote estate in Maine or track down its intended recipient—the only man who may hold the key to her survival.

When an earthquake strikes downtown Denver, far from the nearest active fault system, the USGS dispatches Dr. Dayna Raines and an emergency response team to investigate. They discover that the epicenter corresponds to a decommissioned deep injection well once used by the U.S. Army to dispose of chemical weapons, which have eroded the earth and created the unstable cavern system responsible for the seismic activity.

Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

Jeffrey Holt tears apart decommissioned ships that have been crash-landed in the Nevada desert. He's a shipbreaker, no one of consequence, just as he wants it. However, decades after his role in the world mattered, someone is trying to kill him. Searching for a reason, he tears into the bridge of a derelict Kappa-Class freighter and finds corpses. As he stands on the bridge considering how to stay alive, a hand grips his leg...

To gain an advantage over the Soviets, the CIA uses genetic testing to identify children who are more than human and place them in the Greenhouse, a covert school to turn them into weapons in the war against the Soviets. Lynna Harrison, who is half-human and half-sea dragon, is among the first of these children.1983Lynna and her teammates are using their powers to aid in the Agency's black ops, an advantage the Soviets have yet to discover. That's until Lynna goes on a mission in East Berlin and learns someone in the unit is planning to trade their secrets.

Scientist Beth Darlow has discovered the unimaginable. She's built a machine that allows human consciousness to travel through time—to any point in the traveler's lifetime—and relive moments of their life. An impossible breakthrough, but it's not perfect: the traveler has no way to interact with the past. They can only observe. After Beth's husband, the co-creator of the machine, dies in a tragic car accident, Beth is left to raise daughter—and continue the work they started. Mired in grief and threatened by her CEO, Beth pushes herself to the limit to prove the value of her technology.

In a near future, post-apocalyptic America, terror attacks, riots and insurrection have turned cities and towns into war zones... Professional security contractor and former Navy SEAL, Eric Branson, has been away fighting ongoing insurgencies in Europe when he learns his own country faces the same fate. But before he can make his way back home to Florida, a catastrophic hurricane deals the final blow to an infrastructure already ravaged by riots and terror attacks, leaving survivors cut off and on their own.

The year is 2072. At the lunar farside radio observatory, an old school radio broadcast is detected, similar to those broadcast on Earth in the 1940s and early 1950s, but in an unknown language, coming from an impossible source, and originating at an equally impossible location—Proxima Centauri. While the nations of Earth debate making First Contact, they learn that the Proximans are facing an extinction-level disaster, forcing a decision: Will Earth send a ship on a multiyear trip to provide aid?

Everyone could see it coming. But one man could do something about it. Oh, he couldn't avert the nuclear holocaust, but a scientist in Austria, ruthlessly using billions of research dollars for his own purposes, set himself up and out: he created a time machine, and filled a warehouse with low-tech survival gear. Too bad he didn't get to use it himself. Instead, a team of American grad students, led by their professor, is sent back to the late Roman Empire. Even though they are experts in this time and place, they are about to realize that books and actual experience are very different things.

Smithsonian archaeologist Rabbit Ward travels through time on sponsored expeditions to the past to secure precious artifacts moments before they are lost to history. Although exceptional at his job, Rabbit is not without faults. In a spectacular failure twenty years ago, he lost both the menorah of the second temple and his hot-headed mentee, Aaron. So, when new evidence reveals the menorah’s reappearance in 6th century Constantinople, Rabbit seizes the chance for redemption. But from the moment he arrives in the past, things start to go wrong.

When Ray Olsen gets a call from long-lost Bitcoin creator Satoshi Nakamoto, he knows it cant be real. No one has heard from Satoshi in over a decade. And if he did call someone, it wouldn't be Ray, a rookie journalist at the Valley Times. That is, until Satoshi sends Bitcoin from the Genesis Block, the first block of Bitcoin ever mined. No one has ever moved the Genesis Block before. Until now.

Iron Cross – Global Conflict!The war escalates in Tom Zola’s explosive alternate history series! Summer 1943: With Hitler gone and the German High Command in control, the Reich fights for survival. As Kursk burns, the Soviet counteroffensive threatens to cut deep into German lines. In Oryol, desperate Wehrmacht units brace for a brutal siege, while elite panzer divisions race to prevent disaster in the south. With dwindling resources and an overwhelming enemy, can Germany still turn the tide? Or will the Red Army’s relentless advance seal the fate of the Eastern Front? Tom Zola, a ...

Gen-X computer hacker Toby is a classic American: impulsive, irreverent, intelligent, and inventive. And, after a silly accident in 2008, he can add “inanimate” to the list—because Toby is dead. But only for a while. Eighty years later, medical science has advanced enough to bring Toby back to life.

As Sir Roger Baron de Tourneville is gathering an army to join King Edward III in the war against France, a most astonishing event occurs: a huge silver ship descends through the sky and lands in a pasture beside the little village of Ansby in North East Lincolnshire. The Wersgorix, whose scouting ship it is, are quite expert at taking conquering planets, and having determined from orbit that this one is suitable, they initiate standard procedure. Their ship carries guided missiles and nuclear weaponry—but they have long since lost the art of hand-to-hand fighting.