Daniel Clay fought across the galaxy as a corporate soldier. He left the violence behind for a life of science, raising a family far from the bloodshed of the Corporation. With his wife, Sarah, and son, Michael, he studied the alien Tyr for years, hidden among their complex societies. Their mission should have ended with the arrival of a replacement team. Instead, the Clays’ corporate overlords choose a death sentence: an invasion fleet to conquer the Tyr.

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

The Tyrell are a race that love to fight. The more difficult the fight, the better they like it. Every race they find is given the same level of technology and a specific amount of time to exploit it before the Tyrell come back looking for a fight. Humanity is warned by another alien species that the Tyrell are coming, and the race is on to build an Alliance of races strong enough to stand up against an empire whose expansion has been relentless.

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.

The year is 1961. The Cold War is in full swing and the space race is on. Russia aims to send humanity to space. But what if space comes to humanity instead? Yuri Gagarin’s epic flight into space is disrupted when an alien Mothership jumps into orbit, causing a cosmic car crash that defies all odds. Everything changes. The US and USSR must quickly put aside their differences. In exchange for the Earth’s help in the rebuilding of their Mothership, the mysterious aliens, the Vulbathi, offer promises of technology beyond humanity's wildest dreams.

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.

After endless years of fighting in a galaxy-wide war, the most decorated super-soldier of the Old Federation was granted leave, sliding into a stasis tube aboard a sleeper ship. The ship never reached its port, and the soldier woke up a thousand years later on an operating table. The Old Federation was gone, most planets hurled back into the Stone Age. A devastated Earth used spies instead of spaceships to compete against the tougher, richer worlds.

Contains books one and two of The Acheron series: The Acheron and The Prodigal. Sandi and Ash never set out to be heroes. She joined the Fleet to please her mother, the Admiral. He signed up to escape the grinding poverty of the Housing Blocks. And the unlikely friends envisioned boring, peacetime careers as shuttle pilots. The Tahni Imperium had other ideas.

Contains volumes one and two of the Arisen: Raiders series: Two teams of pipe-hitting special-operations Marines left to die in the fall of North America. One nuclear supercarrier strike group; humanity's last best hope for survival. And seven billion ravening dead guys, rampaging across an overrun planet. For the JFK strike group and its MARSOC guardians, two years of the horrors and glories of Zulu Alpha on the high seas and the fallen world's ports and coasts. Now, their story will finally be told.

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.

A company of Army Rangers is sent on an interstellar colony ship to secure a foothold on a dangerous, alien planet through violence of action. Leaving behind a warring Earth flung headfirst into a conflict of mutual assured destruction, the Rangers and the accompanying crew of first colonists are guided on a 40-year journey by an unprecedented artificial intelligence. But when they emerge from the frigid embrace of cryosleep, they awake to a nightmare, finding themselves greeted by the same ruthless enemy that brought about the ruin of Earth.

While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth.

Eight years ago, an engineered virus ravaged the globe, infecting and transforming humans into apex predators called Variants. Now, almost a decade after the end of the war, civilization has slowly clawed toward recovery. But evil and intelligent forces dwell in the shadows with the starving beasts, scheming to restart the extinction cycle and end humanity forever. And once again, Beckham, Fitz, and Kate will rise to fight them, joining forces with new heroes to try and save what’s left of the world.

This audiobook contains the first four audiobooks of the Tide series, filled with post-apocalyptic action, suspense, and intrigue. A devastating bioweapon will change the face and fate of humanity as we know it.

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....

Two hundred years ago, aliens invaded Earth. A violent war followed. The enemy won. Some of us escaped, most of us didn’t. On Proxima they flourished - the invasion forgotten. On Earth we floundered - the horror began. Their world is advanced, peaceful, and secure. Our world is broken, savage, and overrun. A new invasion is coming. A hunger that has swallowed half the universe. They don’t care which planet we live on. They want to end us all. But where there is life, there is hope. And where there is hope, there are heroes. This time, vengeance will be ours.

Daniel Clay fought across the galaxy as a corporate soldier. He left the violence behind for a life of science, raising a family far from the bloodshed of the Corporation. With his wife, Sarah, and son, Michael, he studied the alien Tyr for years, hidden among their complex societies. Their mission should have ended with the arrival of a replacement team. Instead, the Clays’ corporate overlords choose a death sentence: an invasion fleet to conquer the Tyr.

By the divine promise of sacrifice, he awakened an Ash Angel with a new body, new powers, and a new war to fight. Cassandra, his temperamental trainer, tries to get him ready to battle Ghostpackers and Dreads, but it might be too little too late: for the first time in history, the Ash Angels are faltering against the fury of an evil more ancient than they are. While he fights to survive run-ins with a Sheid-hunted pop star and a gorgeous but dangerous Dread, Trace realizes his new life cannot erase the trauma of the old.

The mission is simple. Escort an emissary to an intergalactic peace summit. Try not to get in the way. Lt. Magnus and his 79th Recon Team have certainly handled worse, after all. But when an explosion rocks the tower and sends everyone into a panic, Magnus and his asset find themselves cut off from the rest of the team. Worse still, a dying alien chieftain gives them a priceless drive of intel, marking them for death. The mission has officially changed. With enemies on all sides, Magnus must do everything in his power to protect the emissary and escape the tower.

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.

A company of Army Rangers is sent on an interstellar colony ship to secure a foothold on a dangerous, alien planet through violence of action. Leaving behind a warring Earth flung headfirst into a conflict of mutual assured destruction, the Rangers and the accompanying crew of first colonists are guided on a 40-year journey by an unprecedented artificial intelligence. But when they emerge from the frigid embrace of cryosleep, they awake to a nightmare, finding themselves greeted by the same ruthless enemy that brought about the ruin of Earth.

Mars and the Moon have been colonized, piracy runs rampant in the asteroid belts, and a thriving society grows in the depths of space. Humanity prepares to embark upon its greatest journey - the colonization of Alpha Centauri. Then, everything changes. A deep space reconnaissance probe discovers a new Earth-like planet 12 light-years from Earth’s sun. The probe also finds something unusual, something unnerving. A new mission is created, a space fleet is formed, and humanity embarks on unravelling the greatest mystery of all - the origins of life itself.

In the wild space of the Deadlands, Taurus Station is where miners and tourists come to play, and the ravager gangs follow close behind. Out here, far from the civilized world, the Law has a name. Gage Walker is the son of hard-nosed asteroid miners. Brash, rough, and crude, he's one of the few deputies working the station. Still a rookie, Walker is tasked with the security of a mining magnate's daughter, an easy job that quickly takes a turn for the worst.

After endless years of fighting in a galaxy-wide war, the most decorated super-soldier of the Old Federation was granted leave, sliding into a stasis tube aboard a sleeper ship. The ship never reached its port, and the soldier woke up a thousand years later on an operating table. The Old Federation was gone, most planets hurled back into the Stone Age. A devastated Earth used spies instead of spaceships to compete against the tougher, richer worlds.

A U.S. Army Ranger sniper finds himself on his own and on the move far downrange and beyond the wire in an epic fantasy world filled with deadly monsters and dangerous foes in a total battle royale for glory, hoard—and flat-out survival. Adrift on the Sea of Riddles and lost in a dangerous world of epic fables, Sgt. Thor and his anti-materiel sniper rifle, Mjölnir, must survive brutal pirates, the darkest sorcery, and a catastrophic shipwreck on a strange island steeped in arcane mystery and containing the remains of a lost civilization guarding an ancient artifact of great and terrible power.

When a high-value scientist is taken hostage inside the galaxy's most dangerous prison, Halek Cain is the only man for the job. The last remaining survivor of the Reaper program, Hal is an unstoppable force of fuel and madness. A veteran amputee-turned-cyborg, he has a history of violence and a talent for killing that is unmatched by any soldier. With the promise of freedom as his only incentive, he'll stop at nothing to earn back his life from the people who made him, imprisoned him, and were too afraid to let him die.

Engines. Genetically modified warriors that keep the great Nova Alliance war machine churning against the enemy Coalition. Most days, Engines are all that stand between salvation and chaos. Led by legendary Engine Captain Akira Hayashi, Shadow Squad has fought on the frontlines for a decade. They are on the brink of victory when the Coalition launches a series of desperate and devastating attacks that cripple the Nova Alliance restoration sites vital to save the dying planet.

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.

Two worlds at war will bring them together…or tear them apart. Everson didn't want to be a soldier. His parents forced him to serve, as all good Indiran men should. The only problem? His first battle against their mortal enemies goes horribly wrong, and he winds up stranded on the enemy planet. Now, Everson has to survive in this strange new land where everyone is out to get him. Not to mention the planet Mano is covered in unforgiving desert. And he's the target of traitors who want to use him in a dastardly plot to overthrow their mad king, Xander the Firm.

Jeff Dolan always wanted to be an astronaut. After helping a private space company build a ship that can travel to Saturn's largest moon in five months, he gets his chance. Shortly after launch, a devastating malfunction forces Jeff and the crew to make a choice: continue to Titan or go back home. As the truth about their mission unravels, one thing is clear: Someone on Earth knew about the system flaw and covered it up. Yet surviving the journey isn't the crew's only concern. Even if they make it to Titan, they will face another problem: Something is already there.