For two decades he served...and never questioned the orders. Would one act of mercy cost him? Alistair believed in the work. It was important to stop the rebels for the good of the Commonwealth. Over his career he’d become the greatest Titan the Corp had ever seen. It was a simple mission. Then the rebels said one thing...and Alistair’s life changed forever.

Constantine had forsaken his family name and birthright. At 28-years old, he’d escaped Earth to help terraform Mars. An empire’s heir went missing just as the universe’s greatest threat announces itself. War Games will decide who represents humanity in this extinction level struggle. Constantine is summoned. With little training but abundant talent, can Constantine win these games? If he does, will he be a force in the coming war? Or is it already too late for humanity?

A derelict warship, ancient but still alive. A small team of humans fighting for all humanity. Built for a time when the races were just finding their way to the stars, finding that they could dominate others. The galactic conquests created the arms race and the ancients, the Progenitors had to protect their own. They built a ship to drive the others away.

Five years ago, aliens destroyed a carrier and its airwing at Jupiter without warning. Since then, the Earth’s nations have learned to work together, and they want to know more about the aliens who appeared, attacked, and vanished without a trace. The Americans have provided a new carrier. Chinese technology has made going after the invaders possible. And the Russians have developed a new control system that will give the craft never-before-seen capabilities. Mankind’s next war is upon us, and Uplink Squadron is the tip of the spear.

Between 2017 and 2021, the US military admitted to having undeniable evidence that UFOs (now UAVs or UAPs) are here and defy the laws of physics. When Jason Ramsey, a popular science-fiction writer, becomes obsessed with the subject, he undertakes a relentless quest to uncover what is really going on. After recruiting Tessa Barrett, an extraordinarily talented mercenary, Jason devises a risky, desperate plan to get to the bottom of it all. But the truth is far more shocking, convoluted, and dangerous than anyone could have guessed, and he has no idea who he can trust.

Rigg is well trained at keeping secrets. Only his father knows the truth about Rigg’s strange talent for seeing the paths of people’s pasts. But when his father dies, Rigg is stunned to learn just how many secrets Father had kept from him - secrets about Rigg’s own past, his identity, and his destiny. And when Rigg discovers that he has the power not only to see the past, but also to change it, his future suddenly becomes anything but certain.

Reclusive college student Jonathan Tibbs wakes in a pool of blood, not a scratch on him. His life is about to undergo a massive shift. A violent and merciless otherworldly enemy unleashes slaughter in the streets, calling out in a language only he understands. And it is seeking its challenger. In order to defeat the threat, Jonathan must become a temporal weapon...while remaining completely anonymous. Unfortunately, harnessing off-world powers has its own special challenges...

The critically acclaimed author of The Radleys shares a clever, heartwarming, and darkly insightful novel about an alien who comes to Earth to save humans from themselves. When an extraterrestrial visitor arrives on Earth, his first impressions of the human species are less than positive. But as time goes on, he starts to realize there may be more to this weird species than he has been led to believe. Eventually, the narrator sees hope and redemption in the humans' imperfections and begins to question the very mission that brought him there.

Earth is at war. Portals are opening across the planet and bringing creatures known as Outsiders. Their only desire is to eat, leaving a trail of destruction in their path. The only people who can stop them are the Defenders - led by Gareth Walker - who can open portals of their own to target the Outsiders in minutes. Gareth's only advantage is an ability to see glimpses of his future.

It began with a hallucination. A time loss. A mistake. A strange man reaching out to her. All part of a tourist trap, Maggie is sure, and she's lucky it wasn't worse. Yet something about her life changed that day, and she can't put her finger on what. She forces herself to move on but can never shake the inexplicable emptiness she feels.

Joel Byram is an everyday 22nd century guy. He spends his days training artificial-intelligence engines to act more human, jamming out to 1980s new wave - an extremely obscure genre - and trying to salvage his deteriorating marriage. Joel is pretty much an everyday guy with everyday problems - until he's accidentally duplicated while teleporting. Now Joel must outsmart the shadowy organization that controls teleportation, outrun the religious sect out to destroy it, and find a way to get back to the woman he loves.

Just outside Los Angeles, a prisoner hidden away for 70 years sits up, gets off the bed and disappears through a solid wall. In Australia, a magician impresses audiences by producing real elephants. Nobody realizes it's not an illusion. Across the world, individuals and organizations with supernatural power suddenly detect the presence of something even they can't understand. At the center of it all, Seb Varden, a 32-year old musician with a secret in his past, slits his wrists, is shot dead and run over on the freeway.

A hundred years after the world is decimated by nuclear wars, humanity has been reduced to a surviving city of people called Mainlanders. They have food, water, and a wall that separates them from their enemies - the Outlanders.

For the first time, get all four books in the Alchemy series in one audiobook bundle. The series begins with The Keepers: Two days ago, Jo Davids was a waitress by night and a college kid by day, with the unnerving problem of objects floating around her. One day ago, Jo's sexy boss, Cormac, noticed her for all the wrong reasons when she witnessed a man transform into a monster in the basement of his casino. Today, Cormac ordered her shot. If he's real lucky, she won't die. Because if she does, all hope is lost.

Seventeen-year-old Ryn Whittaker is a Citadel: an elite, enhanced soldier specially chosen to guard a Rift, a mysterious and dangerous portal to alternate Earths scientists cannot control or close. Trained from the age of 14, Ryn can run faster, jump farther, and fight better than a Navy SEAL - which is good when you’re not sure if a laser-wielding Neanderthal or an axe-wielding Viking is trying to make it through the Rift and into your world. But the teenager’s military conditioning and education have not prepared her for the boy who crosses through.

They are coming. The countdown has begun. First visible only as blips on a telescope image, the discovery of objects approaching from Jupiter's orbit immediately sets humanity on edge. NASA doesn't even bother to deny the alien ships' existence. The popular Astral space app (broadcasting from the far side of the moon and accessible by anyone with Internet) has already shown the populace what is coming.

Seventeen-year-old Ryn Whittaker is a Citadel: an elite, enhanced soldier specially chosen to guard a Rift, a mysterious and dangerous portal to alternate Earths scientists cannot control or close. Trained from the age of 14, Ryn can run faster, jump farther, and fight better than a Navy SEAL - which is good when you’re not sure if a laser-wielding Neanderthal or an axe-wielding Viking is trying to make it through the Rift and into your world. But the teenager’s military conditioning and education have not prepared her for the boy who crosses through.

After America’s Second Civil War, the Pro-Choice and Pro-Life armies came to an agreement. According to their Bill of Life, human life may not be terminated from the moment of conception until the age of thirteen. But between the ages of thirteen and eighteen, the child may be gotten rid of by their parent through a process called “unwinding.”

It is 500 years ago. A group of Spanish conquistadors searching for gold, led by a young and brilliant commander named Simon De Oliveras, land in the New World. What they find in this uncharted land is a treasure far more valuable: the Fountain of Youth. The Spaniards slaughter the Uzita, the Native American tribe who guard the precious waters that will keep the conquistadors young for centuries. But one escapes: Shako, the chief's fierce and beautiful daughter, who swears to avenge her people - a blood oath that spans more than five centuries.

From the author of Audible #1 bestsellers In The Darkness, That's Where I'll Know You, The Physics of the Dead, and The Stone Man (shortlisted for the Audible Audiobook of the Year award 2015). Ever wished the world would revolve around you? Be careful what you wish for... Martin Hogan feels like he's being watched by everyone and everything, and doesn't know why. Even his pets are acting strangely. Each night he sees animals gathering outside his house in the darkness, staring up at his windows with glittering eyes.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

Marguerite Caine grew up surrounded by cutting-edge scientific theories, thanks to her brilliant physicist parents. Yet nothing is more astounding than her mother's latest invention - a device called the Firebird, which allows people to leap into alternate dimensions.

Can humanity Survive what it never saw coming? On October 15 at 2:15 a.ms Earth vanished. A scattered few woke alone in a world with no rules, other than survival at any cost. A journalist wanders the wretched reality of an empty New York, searching for his wife and son. A serial killer must hunt in a land where prey is now an endangered species. A mother shields her young daughter from danger through every terror-filled breath.

Joel Byram is an everyday 22nd century guy. He spends his days training artificial-intelligence engines to act more human, jamming out to 1980s new wave - an extremely obscure genre - and trying to salvage his deteriorating marriage. Joel is pretty much an everyday guy with everyday problems - until he's accidentally duplicated while teleporting. Now Joel must outsmart the shadowy organization that controls teleportation, outrun the religious sect out to destroy it, and find a way to get back to the woman he loves.

On the night Anna was born, she was promptly sent away from the down-world to live in the cloud city of Cirrus. That very same night her future was decided for her when she became betrothed to Crown Prince Augustus Amador. For 21 years, she has lived as Lady Anna. Although Anna's destiny seemed laid out for her, fate intervenes to reveal the true path she was always meant to take. With the unexpected arrival of Malcolm Devereaux into her world, Anna knows without a shadow of a doubt that she has finally been reunited with the missing piece of her soul.

Her whole life it had just been the two of them. Before her mother's last breath, she gave Camille the information she had craved her entire life: the identity of her father. Daring to contact him, Camille was welcomed by an entire family she never knew existed. But nothing comes without a price, as she discovers when her family claims a legendary heritage tracing back to a Centaur touched by Zeus. As she learns the secrets of her Centaur bloodline, she is drawn into a forbidden love with Drake.

Humans beware. As the robotic revolution continues to creep into our lives, it brings with it an impending sense of doom. What horrifying scenarios might unfold if our technology were to go awry? From self-aware robotic toys to intelligent machines violently malfunctioning, this anthology brings to life the half-formed questions and fears we all have about the increasing presence of robots in our lives.

Two days before the start of her junior year, 17-year-old Janelle Tenner is hit by a pickup truck and killed - as in blinding light, scenes of her life flashing before her, and then nothing. Except the next thing she knows, she's opening her eyes to find Ben Michaels, a loner from her high school whom Janelle has never talked to, leaning over her. And even though it isn't possible, she knows - with every fiber of her being - that Ben has somehow brought her back to life.

In the blink of an eye, everyone disappears. Gone. Except for the young. There are teens, but not one single adult. Just as suddenly, there are no phones, no Internet, no television. No way to get help. And no way to figure out what's happened. Hunger threatens. Bullies rule. A sinister creature lurks. Animals are mutating. And the teens themselves are changing, developing new talents - unimaginable, dangerous, deadly powers - that grow stronger by the day. It's a terrifying new world.

All Violet wants is to be with Lincoln. But he has a secret so great it could tear them apart. Then there’s Phoenix. He’s intense and enigmatic, but he's always there for her. Caught up in a battle between light and dark - where angels seek vengeance and humans are warriors - Violet must decide who she’s willing to sacrifice and who to trust, because the wrong choice could cost her not only her life, but her destiny.