Returning from a research dive off the coast of picturesque Carmel-by-the-Sea, marine biologist Chris Black is attacked viciously. No stranger to physical altercations, Chris is able to defend himself and hold one of his assailants captive. He learns that the goon has been sent to intimidate him: Stop diving or else....

The year is 1876. Warring Indian tribes still populate America's western territories, even as lawless gold-rush towns begin to mark the landscape. In much of the country, it is still illegal to espouse evolution. Against this backdrop two monomaniacal paleontologists pillage the Wild West, hunting for dinosaur fossils while surveilling, deceiving, and sabotaging each other in a rivalry that will come to be known as the Bone Wars.

When the National Security Agency’s invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage…not by guns or bombs but by a code so complex that if released would cripple U.S. intelligence. Caught in an accelerating tempest of secrecy and lies, Fletcher battles to save the agency she believes in.

In the midst of a raging blizzard, lightning struck on the night Laura Shane was born. And a mysterious blond-haired stranger showed up just in time to save her from dying. Years later, in the wake of another storm, Laura will be saved again. For someone is watching over her. Is he the guardian angel he seems? The devil in disguise? Or the master of a haunting destiny beyond all time and space?

Prepper survivalist author Grace Hamilton invites you to step into a post-apocalyptic, EMP-ravaged world filled with strong, resourceful characters, survivalist knowledge, and edge-of-your seat action.

The Yellowstone series, a new disaster thriller from international best-selling author Bobby Akart, takes the listener on a thrill ride as a cataclysmic event of extinction level proportions ticks away like a time bomb, awaiting its moment.

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?

Car-En, a ringstation anthropologist on her first Earth field assignment, observes a Viking-like village in the Harz mountains. As Car-En secretly observes the Happdal villagers, she begins to see them as more than research subjects (especially Esper, a handsome bowhunter). When Esper’s sister is taken by an otherwordly sword-wielding white-haired man, she can no longer stand by as a passive witness. Knowing the decision might end her career, she cuts off communication with her advisor and pursues the abductor into the mountains.

Jake Price has always dreamed of joining the Darkstream military like his father before him. When he’s told his gaming scores are good enough to qualify him for a brand-new training program designed to find recruits talented enough to pilot humanity’s first mechs, he can hardly believe it. There are hundreds of other recruits competing for the same eight jobs, and they’re all as skilled as he is. But Jake refuses to give up, because humanity is facing its greatest threat yet. If someone doesn’t step up, it could all be over for the human species. Contains the complete series.

Raised fatherless in a galactic Brinktown, Joe Pikeman only ever wanted to escape. The Galactic Guard offered that escape, with the promise of regular meals to boot. Now Joe is a full Guardsman, with his own ship and a snide partner bot who hates humans almost as much as he hates other bots. To the pirates he hunts, Joe is known as the Butcher. His bloody reputation has landed him in the center of a sweeping conspiracy that threatens to stamp out the galaxy’s last surviving human settlements.

A preposterous legend, dragons dueling with riggers. Nothing can live in the interdimensional Flux of interstellar space. But in the Flux, visions of the mind converge with reality, and visions can be perilous. When star pilot Jael defies an abusive ship’s master and rigs “the mountain route to Lexis,” dragons indeed appear in the night sky—and challenge her to duel to the death.

On a top-secret dive into the Pacific Ocean's deepest canyon, Jonas Taylor found himself face-to-face with the largest and most ferocious predator in the history of the animal kingdom. The sole survivor of the mission, Taylor is haunted by what he's sure he saw but still can't prove exists-Carcharodon megalodon, the massive mother of the great white shark. The average prehistoric Meg weighs in at twenty tons and could tear apart a Tyrannosaurus rex in seconds.

Ten years has passed since an infectious virus nearly consumed all of mankind. Millions died, millions more became infected, changed, and turned into mindless, feral hunters bent on the consumption of living flesh. Archer was a solitary man, scavenging what he could to survive off the ruins of the world that no longer existed. A world gone mad, where those who still lived were just as great of threat as those who were infected.

Elijah has lived in the Memory Wood for as long as he can remember. It’s the only home he’s ever known. Elissa has only just arrived. And she’ll do everything she can to escape. When Elijah stumbles across 13-year-old Elissa, in the woods where her abductor is hiding her, he refuses to alert the police. Because in his 12 years, Elijah has never had a proper friend. And he doesn’t want Elissa to leave. Not only that, Elijah knows how this can end. After all, Elissa isn’t the first girl he’s found inside the Memory Wood.

Our end is coming. It’s closer than you think. And it’s real. The final outbreak starts with animals and moves swiftly to humans, turning the infected violent. Cities fall as the outbreak spreads as far as the winds blow, leading to society’s end. A lucky few may survive, but for how long in a world ravaged by an always present disease? Or is all hope lost?

Me and the legendary Zimmerman twins - it's a friendship made in geek heaven. And it all started back when I worked for the NSA... My best friend Basia dragged me to the beach for her idea of a vacation. All those annoying people, sand in embarrassing places - not exactly R & R for a girl who doesn't like the sun, the ocean, or bathing suits. I couldn't wait to get back to work. But things started looking up when I ran into Elvis and Xavier Zimmerman. We discovered we had a lot in common: gaming, anchovies, hacking.

Pilot Dodge Kingston has always been the heir to Sky King Ranch. But after a terrible family fight, he left to become a pararescue jumper. A decade later, he's headed home to the destiny that awaits him. That's not all that's waiting for Dodge. His childhood best friend and former flame, Echo Yazzie, is a true Alaskan - a homesteader, dogsledder, and research guide for the DNR.

When half of mankind revolts and demands more opportunity, those at the top decide on a compromise: They will build the first colony ships and allow the rest to discover new worlds and start over. Twelve ships are built. The first is called the Orion. Many are eager to go, but only 100,000 are chosen for each vessel. Far from Earth, a new life awaits, and it promises the prosperity they've always wanted. But still, resistance stirs.

Christopher Golden's Ararat is the heart-pounding tale of an adventure that goes wrong - on a biblical scale. When an earthquake reveals a secret cave hidden inside Mount Ararat in Turkey, a daring, newly engaged couple are determined to be the first ones inside...and what they discover will change everything. The cave is actually a buried ancient ship that many quickly come to believe is Noah's Ark. When a team of scholars, archaeologists, and filmmakers make it inside the ark, they discover an elaborate coffin in its recesses.

Alec works in the Detroit Overseer-factories, building a mysterious alien device. When three strangers appear, he's provided an opportunity to escape after years of servitude. Cole, a Freeborn loner, encounters Lina after her village is destroyed by the alien Occupation. Together, they make the arduous journey to a fabled safe-zone, trying to stay one step ahead of the enemy drones on their trail. Dex is a Hunter, working for the Occupation to track down escaped factory slaves, or Roamers, at all costs. But his latest hunt uncovers a massive secret.

Donovan is a world of remarkable wealth that comes at a high price. When Supervisor Kalico Aguila's ship arrives, she discovers a failing colony, its government overthrown, the few remaining colonists gone wild. Donovan could make her career - or kill her. Planetside, Talina Perez is one of three rulers of the Port Authority colony - the only law in the one remaining town. With the Corporate ship demanding answers about the things she's done, Perez could lose everything, including her life. For Dan Wirth, Donovan is a last chance. A psychopath with a death sentence looming over his head, he will make a desperate play for power. No matter who he has to corrupt, murder, or destroy. Captain Max Taggart is the Corporation's enforcer. But is it too late to seize control of Donovan?

Brooklyn, 2095. Seventeen-year-old Riley Taylor longs to escape the crushing poverty of the slums. Stuck with her best friend in a totalitarian police state, their only hope of freedom is joining the military. But when Riley gets ripped away from him in their first brutal combat, she’s shocked to discover why so many recruits come home in coffins.

Maira Kanhai has had enough: Since the Green Poison epidemic hit DC, her cybersecurity degree is worthless, she can’t rejoin the US Navy, and her early efforts to secure Maryland led to a costly mistake: the death of her brother. Every day new factions emerge, trying to burn her city to the ground - until the Division emerges, inspiring hope. When a grenade kills one of their agents, Maira suddenly has a chance to make a real difference as a raw new Division recruit...if she can pass the tests and overcome the enemies plotting to permanently eliminate the Division once and for all.

When collegiate baseball phenom Chase Fulton suffers a freak injury on the field that shatters his dreams of becoming a Major League catcher, his future looks bleak until he’s recruited into quasi-governmental covert operations, where his training as an assassin and covert intelligence operative launches him into a world fraught with danger, intrigue, and unexpected passion.

Captain Tess Bailey is in deep trouble. She and her crew are on the run, pursued by a tyrant who'll take them dead or alive. Tess's best hope is a tall, dark, and much-too-appealing stranger, Shade Ganavan, who says he can help her. But his motivations are far from clear. With the dreaded Dark Watch closing in, what Tess and Shade don't know about each other might get them killed, unless they can set aside their differences and learn to trust each other before it's too late.

Take a journey back in time, to a place where Emma's lineage begins and where answers lie in unraveling secrets of the past. This is a story of forbidden love, an unbreakable bond, and the start of a dark adventure that will fill your heart with many emotions.

Having rescued Cassidy McKnight from kidnappers in South America, Gabe Sinclair thought his job was done. Not that the former Navy SEAL could ever forget the brave, beautiful single mother. But when the danger followed her home, Gabe promised to protect her. Why anyone would want to kill Cassidy was a mystery. Was the motive related to the orphaned toddler Cassidy was raising, a sweet little girl who brought out the father figure in maverick Gabe?

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

The beginning of the end. The Apocalypse. A nuclear fallout wiped out every living thing on the planet, except for a few thousand of us who took shelter in underground bunkers across the globe. Now, after 13 long years, we were finally able to return to the topside to begin to rebuild. We thought we were alone. We were never more wrong. Before the fallout, scientists had worked on creating an anti-radiation vaccine (ARV).

Adrian is an alpha descendant with gifts that allow him to call and charm others like himself. After the apocalypse, caused by his father, Adrian is charged with gathering all free descendants in America for the remaining government. Instead, the Marine forms Safe Haven Refugee Camp and creates a dream that even his betrayals can’t crush. “This is Safe Haven Refugee Camp. Is anyone alive out there? …hello?”