So far, Officer Candidate School is living up to its cutthroat reputation. Still, the merciless mental, physical, and psychological torture may be worth it for Lance Warder to have a chance to fight in space. The space that awaits isn't for the faint of heart. He'll have to shed his mental chains to prove his mettle. Because no one cares who your father is when you're faced with unknown threats in a dark, infinite void.

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

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?

Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

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.

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....

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.

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.

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.

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.

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?

Escaping wrongful imprisonment wasn't something Connor had in mind, but being put into stasis aboard Earth's first interstellar colony ship was something he couldn't have prepared for. For 300,000 colonists, the new colony brings the promise of a fresh start...a second chance. Connor might be the wrong man for the colony, but he's the right man to see that it survives what's coming.

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.

Michael Freeman is a disabled veteran who had just been fired from his mind-numbing cubicle job, which allowed his opportunistic girlfriend to dump him. Now, he only wants to spend some time at his grandfather's mountain cabin so he can unwind, away from the drudgery of daily life and with a cold beer in his hands. Standing in his way is an ancient spaceship with an emotional AI, nanites that have invaded his body, an international crime syndicate, a suicidal FBI agent on a vigilante mission, terrorists . . . and that's just the beginning.

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.

He was in a gang but was trying to change his future, when a board member of the elite advanced academy NEXUS made a snap decision and offered him a chance. Then fate, or an unbalanced genius, offered him another. The Nexus Academy is for the elite trainees from Earth, and now trials from our alien allies, as they teach the future generation how to fight, lead, hack, spy, and many other talents and tactics. Hired by companies, governments, and NGOs, these graduates work to pay off the massive debt their training at the academy accumulates.

Chief Katherine “Kit” Carson, of the elite Pathfinder Corps, joins the mission as a last-minute replacement, hoping to put a spotty past behind her and build a new life on a brave new world. The expedition arrives on Terra Nova, expecting to join the first wave of colonists, instead they find abandoned cities and are soon faced with a new, terrifying enemy humanity has never encountered before. This publisher pack includes Terra Nova and Bloodlines.

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.

Imprisoned for a murder he didn't commit, Kaiden's only hope of early release is in serving as a Warden in the game-world of Nova Online. Playing as a unique class while surrounded by aliens, pirates and warring guilds, he and his squad are tasked with protecting new players and enforcing the rule of law. But Kaiden has other ideas; he is intent on proving his innocence. The keys to his freedom lie hidden in the game's seedy underbelly. And as he'll soon discover, the bloody trail that led to his arrest is more twisted than he could have ever imagined.

Logan Conner is the son of a king, the heir to the largest of the five star-dominions, and the best mech pilot in the galaxy. His people are plagued by pirates and raiders, surrounded by enemies, and not even his father can fight them all. Logan gives up his position, his rank, even his name, and becomes Jonathan Slaughter, leader of a rough-and-ready band of mercenary mech-jocks bent on taking the battle to the enemy on their own terms.

The future has amazing technology. Our alien allies have magic. Together, we are building a training system to teach the best of humanity to go to the stars. But the training is monumentally expensive. Stephanie Morgana is a genius, she just doesn't know it. Join her on the first half of her adventure with this collected edition, including the first three megabooks in the Federal Histories series.

Forced to hyperjump during a brutal ambush, Sara Lorelle, navigator of the Venture, the last human colony ship, discovers a terrible truth: They've jumped to somewhere that shouldn't exist. Trapped inside a pocket universe known only as Hollow Space, where technology inexplicably fails, Sara and her crew have to face the lethal politics of their only destination, Haven - a decrepit station, home to deadly aliens and rival factions that soon sees the Venture crew up to their necks in danger.

Jack Forge started as an unwilling recruit, but quickly established himself as a top-notch Marine and an inspired leader. When faced with impossible odds, he has repeatedly saved the day...and his fellow marines. As his status grows, he must fight to keep a secret that could cost himself and his friends everything. One thing is certain, Jack has been forged in space and will fight to save humanity from the hostile aliens who inhabit it.

A chance encounter, on his last mission, sends him hurtling through space on the Unity exploration ship XES01. Surrounded by aliens, Zade must quickly learn to interact with the non-soldiers on the crew. As he tries to earn his place amongst the ship, Zade's combat prowess quickly earns him a spot as the security officer of the ship. A seat left vacant because of a fatal exchange between the former security officer and the wildlife of a far planet. As Zade begins living the adrenaline filled life of a space explorer, he has to ask himself some very important questions.

Earth is a dying planet. To survive, humanity founds the Circuit, a string of colonies across the solar system, dedicated to mining resources vital to preserving what remains of mankind. Here there are no heroes or villains, only those willing to do what's necessary to survive. The New Earth Tribunal, a powerful religious faction, has risen to rule the Circuit. They believe a Spirit within the Earth will one day appear and welcome humanity back home.

Caleb is a former Marine Raider and commander of the Vultures, a search and rescue team that's spent the last two years pulling high-value targets out of alien-ravaged cities and shipping them off-world. When his new orders call for him to join 40,000 survivors aboard the last starship out, he thinks his days of fighting are over. The Deliverance represents a fresh start and a chance to leave the war behind for good. Except the war won't be as easy to escape as he thought.

Captain James Decker has lived a life of hunting, killing, and earning credits. To some, it hasn’t amounted to much, but to him, it’s led to him captaining the SC Fortune, a space cruiser with a competent crew that he’s grown fond of. After accepting a bounty hunting mission with a beautiful blonde woman as the mark, Decker finds himself soon without a ship and a crew. But as luck would have it, this same mission gives him back what he lost: a new ship and a new crew.

Doctor Benjamin Schröder was far from a man of action. In fact, he was a history teacher - chairman of the Castle Rock University history department - and if his life wasn't perfect, it was close. Until, that is the discussion of his star student Elzbietá Abramowski's dissertation on Operation Oz, the Pacific Allies' invasion of Vladivostok, was brutally interrupted. The psychotic episode that turned his entire world upside down struck with absolutely no warning, and it was more terrifying than anything he should have been able to imagine.

Simon Kovalic, top intelligence operative for the Commonwealth of Independent Systems, is on the front line of the burgeoning Cold War with the aggressive Illyrican Empire. He barely escapes his latest mission with a broken arm and vital intel that points to the empire cozying up to the Bayern Corporation: a planet-sized bank. There’s no time to waste, but with Kovalic out of action, his undercover team is handed over to his ex-wife, Lt. Commander Natalie Taylor.

When the Guardians attempt to evacuate a Kree prison planet and end up in a fight for their lives - what else is new? - they discover their old pal Groot is stretched a little thin. Someone is planting stolen branches of the monosyllabic hero and selling the saplings across the galaxy! The search to find Groot's missing pieces forces the Guardians into an alliance with the unscrupulous Collector, but the real problem is more complicated than he wants them to believe.