Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

Po Abbato turns to crime in a desperate attempt to free his younger siblings from debt slavery. He's caught, and offered a choice: Spend 25 years in a digital prison while his body rots...or join the Marines.

Thousands of crew are reported dead, including the ship’s captain. Reluctantly, the young XO, Galvin Quintos, will be taking command of the fleet's crippled dreadnaught, the USS Hamilton, while doing his best to bring fleet survivors back to Earth. To make matters worse, there’s a murderer running loose on board the ship, critically low fuel levels, and the Grish are back, in fast pursuit and ready to finish what they’d started. Only by sheer luck - and a good measure of cagey smarts - will Quintos be able to rise to the challenge.

The Amazon rainforest holds a world-changing secret—a ship lost to time from another world. College student Will Kaufman unearthed the biggest archaeological discovery in human history… he just needs to find a way back to Earth to tell people about it. Four thousand years ago, a Federation bounty hunter Void ship crashed on a remote and primitive planet. There it remained until Will found it and accidentally reactivated it, launching him light-years away.

What would you do to change your life? How far would you go? How hard would you fight? Rather than work his bones into dust toiling away on a barren world, Ryck Lysander chooses to enlist in the Federation Marine Corps. But as he quickly finds out, this path isn't just a job...it's a calling...and not everyone is suited to wear the uniform.

Two centuries after the Confederation staved off an invasion by the robotic Locusts, Captain Jack Romanoff faces mandatory retirement from an ever-shrinking navy. Actions speak louder than words. The Confederation doesn’t think the Locusts are coming back. But what if the politicians are wrong?

When the research starship Galileo vanishes without a trace, the powers-that-be are quick to bury the incident, eager to prevent escalating tensions that could lead to war. As a former POW, Soren refuses to give the ship up for lost. His daughter is one of the missing. Taking matters into his own hands, Soren starts pulling strings and calling in favors, determined to launch a clandestine mission to bring Galileo home. When an old friend offers him a ship for the operation, he expects a rusty relic headed for the scrapyard.

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.

Convicted of a minor traffic violation, Rev Pelletier is conscripted into the Perseus Union Marine Corps...for up to a 30-year term of service. Anxious to get back to his civilian life and job, Rev opts for a shorter term as a Marine Raider taking the fight to the enemy. But with extremely high mortality rates, can he and his friends survive until their term of service is over?

When aliens invade Las Vegas, one man is thrust into a battle beyond imagination, fighting the terrifying shock troops of a sprawling galactic empire. To protect a terrified child, he seizes the strange weapon of a fallen hero—an ancient, sentient sword—and is catapulted far into the future with no way back. Now trapped in an alien world, he must master the sword's mysterious power and navigate a deadly game of political intrigue. But time is running out for humanity.

After the majority of his body is destroyed during a high-risk operation, Aiden Thorn is subjected to an experimental, potentially lifesaving procedure… one he never tacitly agreed to undergo. With no choice but to see the unorthodox new process through, he accepts his fate and works to adapt to his new life. But when an intergalactic corporation steps in and essentially claims ownership of Aiden and everyone like him, he is forced to do the two things he does best… survive, and fight.

The war against the AI was won but a new threat is rising. Hank Spears is content with his life as a scrapper until he unearths an artificial intelligence who warns him of a grave threat to all life in the universe. Since AI has long been outlawed and anyone caught harboring one is imprisoned or executed, the two must go on the run, fleeing into the far reaches of space. They must avoid capture, all for the sake of those who would imprison them. Looking for help from old friends to fight new enemies, Hank must find a way to save himself so that he can save the universe.

Aliens exist...and, as it turns out, most of them aren’t that friendly. Jacob Brown wasn’t even born yet the first time they attacked Earth. He was only 14 the second time it happened. When Earth finally came together and fielded its first spaceborne military, Jacob didn’t hesitate to volunteer. Serving aboard a mighty starship, he’d be able to defend his planet - and his family - when, inevitably, they came again.

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

After more than 20 years in special operations, USMC Gunnery Sergeant Wolf Mathison wasn’t looking forward to retirement when—implanted with an experimental artificial intelligence—he deployed on his last mission with a platoon of Marine Raiders being sent to the Jovian moon Europa. The USS Jefferson was destroyed en route, though, and only Mathison and three other marines survived. Trapped in stasis, they were hurled into the outer reaches of the solar system, where they wouldn’t be found for hundreds of years.

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

Po Abbato turns to crime in a desperate attempt to free his younger siblings from debt slavery. He's caught, and offered a choice: Spend 25 years in a digital prison while his body rots...or join the Marines.

In the 35th century, mankind has colonized vast reaches of space, yet war remains constant as galactic governments and interstellar corporations fight for control of resource-rich planets and lucrative interstellar trade routes. And if centuries of war has taught man one thing, it's that planets are valuable and lives are cheap.

Drake steals artifacts so they can benefit all of mankind. They belong in a museum, after all, not hoarded by a select few in their private vaults. It's a dangerous life, but someone has to do it. Until he learns of a map to the location of a lost mega-freighter once belonging to the ancient royal family. Drake, like so many before him, can't resist the siren's call. After all, it's the find of a lifetime.

For years, pilots who merely looked like soldiers were adequate. They filled the mechs. They filled roles. They supported Spann and his genetic offshoot of pure-blooded warriors known as the Superba. Spann's dream of absolute power ends with a single, crushing blow as a new enemy strikes at the Realm, leaving no survivors—followed by a mad dash to find fighters who can stand up in the old ways, using the mechs gifted to humanity by their oldest allies. Even in the midst of war, there is hope.

The scum hiding deep inside the Reach out along galaxy's edge thought they could kill her and not pay the price. For years these hardened killers have run roughshod over the lawless worlds where Republic justice is never as fast as the blaster in your hand and where double-crosses and death are a part of every deal. They thought this time would be no different. They were wrong. This time, the Guild sent the legendary bounty hunter Tyrus Rechs. As the infamous Rechs pursues the men who murdered his colleague, he's hell-bent on justice.

Convicted of a minor traffic violation, Rev Pelletier is conscripted into the Perseus Union Marine Corps...for up to a 30-year term of service. Anxious to get back to his civilian life and job, Rev opts for a shorter term as a Marine Raider taking the fight to the enemy. But with extremely high mortality rates, can he and his friends survive until their term of service is over?

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

The war against the AI was won but a new threat is rising. Hank Spears is content with his life as a scrapper until he unearths an artificial intelligence who warns him of a grave threat to all life in the universe. Since AI has long been outlawed and anyone caught harboring one is imprisoned or executed, the two must go on the run, fleeing into the far reaches of space. They must avoid capture, all for the sake of those who would imprison them. Looking for help from old friends to fight new enemies, Hank must find a way to save himself so that he can save the universe.

After the majority of his body is destroyed during a high-risk operation, Aiden Thorn is subjected to an experimental, potentially lifesaving procedure… one he never tacitly agreed to undergo. With no choice but to see the unorthodox new process through, he accepts his fate and works to adapt to his new life. But when an intergalactic corporation steps in and essentially claims ownership of Aiden and everyone like him, he is forced to do the two things he does best… survive, and fight.

Fresh out of the Academy, Ensign Cole Jackson’s first posting to Freedom couldn’t have come at a worse time. All over the Alliance, planets and colonies are suddenly under attack by the vicious Coven Empire. Freedom and her sister ship, Hood, are ambushed by alien warships, leaving Hood drifting dead in the void. Cole is ordered to salvage parts from the powerless Hood, but when he arrives on the unpowered hulk, Freedom is called away, marooning him and a group of malcontent techs in deep space.

When the Ornu came, they took Earth in a single night. Humanity never stood a chance. Now, they force us to crew their ships and fight their wars for them. They hold Earth hostage, and if we refuse to do their bidding, they’ll lay waste to our precious blue marble. Slaughtering the billions who live there. But when Captain Bill Henderson is sent to claim a small moon for his masters, he finds something they never accounted for. An ancient warship – a behemoth abandoned for millennia by a species that reached its peak at the dawn of the universe.

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.

The War of the Worlds gets turbocharged in this nonstop action-packed thriller about a group of survivors thrust into extraordinary circumstances. When aliens arrive on Earth, the tiny town of Little Creek isn't any more prepared than the rest of the planet. Without warning or provocation, the otherworldly creatures begin to lay waste to everything.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.