Deep in the Nevada desert is the most secure compound in the United States: Area 51. The most chilling experiment of all time is about to begin there. The president doesn't know about it. Just a few scientists and military personnel working for Majestic-12 do, and they are about to make a very big mistake.

Many millennia ago, humans, including us, were seeded on 15 worlds by an alien race, the Airlia. We believe we evolved, but the reality is we were bred as cannon fodder for the Airlia’s interstellar war against the Swarm, a viral race whose only mission appears to be the obliteration of sentient life wherever encountered. On some worlds humans realized the truth about their origins, uncovered their hidden alien overlords, and rebelled.

Hidden deep beneath the Metropolitan Museum of Art is the Time Patrol, a secret agency charged with protecting the world's timeline from the evil forces who wish to alter it. When the patrol disappears without a trace, only 12 short hours are left before all life on Earth ceases to exist.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.

A pyramid predating all known cultures appears without warning. Its discovery throws into question everything we know about the origins of mankind. Inside lies incredible technology, proof of a culture far more advanced than our own. Something dark lurks within, eager to resume a war as old as mankind. When it is unleashed it heralds the end of our species’ reign.

Get ready to experience two more origin stories in the Backyard Starship universe.

When Ben Murdock receives a text message offering a fully operational starship for sale, he’s certain it has to be a joke. Already trapped in the worst day of his life and desperate for a way out, he decides to play along. Except there is no joke. The starship is real. And Ben’s life is going to change in ways he never dreamed possible. All he has to do is sign the contract. Joined by his streetwise best friend and a bizarre tenant with an unseverable lease, he’ll soon discover that the universe is more volatile, treacherous, and awesome than he ever imagined.

After a rough break up, Wyatt moves to New York City, eager to prove himself while working on Wall Street. When he’s asked to visit the father of his ex-girlfriend, a billionaire tycoon, his fate is sealed. The revolutionary company, Nu-En, launches a radical innovation, an energy that will allow every person on the planet access to power. Only it doesn’t perform as anticipated. Harnessing the ocean has consequences, and highly dangerous creatures emerge from the depths. Soon, the Earth is fracturing, and the world will never be the same.

The Confederated Systems Alliance has spread to dozens of systems, creating the first true interstellar alliance dedicated to bringing peace and prosperity to all inhabited worlds. Unfortunately, some see this new alliance as a threat to their own seats of power, and would do anything to stop it. After a well deserved rest, Captain Nathan Scott is once again called into action. This time, it is not the fate of the galaxy that is on his shoulders, but the life of one of his dearest friends. But not all is as it appears.

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.

The best-selling, epic space adventure, Freedom's Fire: the complete series of six audiobooks, in one bundle.

Bob thought he was doing fine on his own. Then the love of his life fell out of the sky. Can he get her back in the air with auto parts and a cutting torch? If he does, will she ever come back? Nikki took a job before she saw the equipment. Can she keep her passengers alive on a strange planet? Are the natives friendly?

In the final days of World War II, the Allies ransacked Berlin. Third Reich scientists were highly sought-out prizes for Americans and Russians desperate to possess Nazi nuclear knowledge. But they failed to capture one of the most vital members of Adolf Hitler’s inner circle, Hans Kammler, a liaison with the Nazis’ silent partners whose technological wonders nearly helped the Axis win the war - the alien species the Germans called the Eidechse. More than seven decades later, US Navy SEAL Mark Hunter witnesses the impossible in North Korea....

The Star Kingdom's ally Erewhon is growing increasingly restive in the alliance because the new High Ridge regime ignores its needs. Add to that the longstanding problem of a slave labor planet controlled by hostile Mesans in Erewhon's stellar back yard, a problem which High Ridge also ignores.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

Kalian Gaines has a secret; he just doesn't know it yet. He looks like us, he lives like us...but he is not one of us. Kalian knows nothing outside of his mundane life teaching history on 30th-century Earth, until a day like any other triggers a series of events that will tie his fate to that of humanity. A human handprint, embedded into a rock with alien script, is discovered on a moon that mankind has never set foot on. This discovery holds a secret, which will sweep Kalian into the heart of a conspiracy that has corrupted the galaxy for 200,000 years.

The plot by the Galactic Union’s Mercenary Guild against the Four Horsemen has culminated in an invasion of Earth. Faced with an overwhelming force, the human mercs had no choice. They’ve fled, leaving Sansar Enkh to go to the Mercenary Guild headquarters on Capital Planet to stand trial for humanity. On the run, Jim Cartwright and Nigel Shirazi have travelled to the Winged Hussars’ secret base of New Warsaw, in an effort to convince Alexis Cromwell to join the fight, while the other mercenaries who escaped the fall of Earth have gone to the perceived safe haven of Karma.

They tried to destroy our planets. Our way of life. They tried to send us into extinction. But we, the Coalition, fought them and won. That was a decade ago. They’re known as the Host: a cabal of aliens seeking to dominate our sector of space. And they’re back - with help from a powerful new enemy. We’re outnumbered and unprepared. But there is hope. An ancient race of long-dead but technologically advanced aliens called the Navigators have a ship called the Blackstar that could potentially turn the tide. That is if I, Kai Locke, a humble ship racer, can find it and learn how to harness its power in time.

Captain Mitchell "Ares" Williams is a space marine and the hero of the Battle for Liberty whose shot heard 'round the universe saved the planet from a nearly unstoppable war machine. He's handsome, charismatic, and the perfect poster boy to help the military drive enlistment. Pulled from the war and thrown into the spotlight, he's as efficient at charming the media and bedding beautiful celebrities as he was at shooting down enemy starfighters.

Jason Burke was a man hiding from himself in a small cabin high in the American Rocky Mountains when his simple, quiet life was shattered one night by what he first assumed was an aviation mishap. But when he investigates the crash, what he finds will yank him out of his self-imposed exile and thrust him into a world he could have never imagined.

The Argus Space Station looks down on a nightmarish Earth. And from this safe distance, the Committee enforces its despotic rule. There are too many people and too few resources, and they need 12 billion to die before Earth can be stabilised. So corruption is rife, people starve, and the poor are policed by mechanised overseers and identity-reader guns. Citizens already fear the brutal Inspectorate with its pain inducers. But to reach its goals, the Committee will unleash satellite laser weaponry, taking carnage to a new level. This is the world Alan Saul wakes to.

The year is 2650. Seventy-five years ago, an alien fleet attacked Earth. Without warning. Without mercy. We were not prepared. Hundreds of millions perished. Dozens of cities burned. We nearly lost everything. Then the aliens abruptly left. We rebuilt. We armed ourselves. We swore: never again. But the aliens never came back. Until now. With overwhelming force the aliens have returned, striking deep into our territory, sending Earth into a panic.

Predator ships stream into human space in unprecedented numbers. The Colonial Marines, controlled by Weyland-Yutani, respond to the incursion, thus entering the Rage War. This terrifying assault by the Yautja cannot go unchallenged, yet the cost of combat is high. Predators are master combatants, and each encounter yields a high body count. Then, when Lt. Johnny Mains and his marines - the VoidLarks - enter the fray, they discover an enemy deadlier than any could imagine.

The Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

Hybrid fighters merging human and alien technology. Massive cannon emplacements on the moon and Mars. A planetary defense force with the finest military personnel ever trained. For two decades we've known the enemy would return. The nations of Earth have collaborated on a unified defense program designed to defend the planet.

In a galaxy where the fabric of reality can be bent and shaped by a privileged few, and almost any skill desired is a mere injection away, one young man is thrust into the fight of his life. Tane, a hydroponics farmer with some mad cereal crop gene-splicing skills, decides to get chipped. The operation gives him full control over his autonomic nervous and endocrine systems, plus the ability to install custom memories. All seems well until a couple of days later aliens come knocking at his door. And they aren't the friendly type.

In the future, the terminally ill can prolong life by surrendering their consciousness to a cybernetic life form that is then recruited into the notorious Legion of the Damned, an elite fighting unit charged with protecting humanity.

Kyle Riggs is snatched by an alien spacecraft sometime after midnight. The ship is testing everyone it catches and murdering the weak. The good news is that Kyle keeps passing tests and staying alive. The bad news is the aliens who sent this ship are the nicest ones out there.

In the year 2280, an alien fleet attacked the Earth. Their weapons were unstoppable, their defenses unbreakable. Our technology was inferior, our militaries overwhelmed. Only one starship escaped before civilization fell. Earth was lost. It was never forgotten. Fifty-two years have passed. A message from home has been received. The time to fight for what is ours has come.

Former Marine Arthur Holland’s destiny begins when an aircraft crashes on his property in the mountains of Colorado. He moves to investigate and to help any survivors, but the closer he gets the less control he has of his movements. An unknown force urges him to open the door of the mysterious craft, discovering the secret that lies within: a dead, alien pilot and a peculiar, otherworldly crystal. If that wasn’t enough, the crystal feels like it is alive. That’s when he hears a single word inside his mind: run.