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.

Brent Parthet just wanted to be left alone. A deadly supercommando in the Southwind War, Brent had retired a hero to a wildlife preserve as far from civilization as possible to enjoy the simple life with his wife and young son. But when one of the Southwind, the massive, genetically-engineered slaves who'd rebelled against their human masters, shows up at Brent's door, asking for help from an old enemy, Brent will find out that the war isn't really over. And he may have been fighting for the wrong side.

First contact wasn’t peaceful. The Zodarks, brutal and unrelenting, tore into the Republic’s defenses. Armed with cunning and unquenchable bloodthirst, the four-armed warriors dominated over every adversary. Caught off guard as the Republic stumbled into an interstellar war it wasn’t ready to fight—against an adversary born from nightmares. Mankind clung to hope as it healed divisions, forged new alliances, and prepared for the war thrusted upon it.

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.

Everyone could see it coming. But one man could do something about it. Oh, he couldn't avert the nuclear holocaust, but a scientist in Austria, ruthlessly using billions of research dollars for his own purposes, set himself up and out: he created a time machine, and filled a warehouse with low-tech survival gear. Too bad he didn't get to use it himself. Instead, a team of American grad students, led by their professor, is sent back to the late Roman Empire. Even though they are experts in this time and place, they are about to realize that books and actual experience are very different things.

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.

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 . . .

Once, Master Commander Carter Rose was the Union’s secret weapon. An augmented, bio-engineered officer in command of the most powerful warship ever devised by human minds, Rose brought them victory against the post-human Aternien Empire. Then they cast him aside. A century later, living alone on a distant forest moon, feared and forsaken by the people he fought to save, Rose has grown bitter and resentful, while his superhuman body refuses to age.

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.

Titus Briggs is an Earth Defense soldier, a grunt, a decorated war hero—it's all he's ever known. So when a career-ending injury leaves him lying in a hospital bed, missing both legs, he struggles to accept his new reality. He can no longer walk, which means he can no longer fight. That is until a mysterious colonel arrives and offers Titus the opportunity to step into a new kind of war, a new kind of fight. To become a new kind of soldier. Mobile Combat Suits—MOCOMS—represent the next stage in human warfare. They enable soldiers to fight like never before.

For years, while Iran and North Korea kept Western diplomats busy, China and Russia have been quietly seeding the US with spies and soldiers. Now, a silent army of occupation lurks inside US borders, and for America, it is already too late. When the assault begins—via an EMP strike that disables the US electrical grid and neutralizes her defenses all in one fell swoop—the US is caught completely unprepared. The nation is lost, and it is up to ordinary citizens to defend their cities, towns, neighborhoods, or even just their families.

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

Jack Bennet returns from the war to find the life he left behind has moved on without him. The only option he has to make ends meet lies in a military surplus junkyard starship. What’s a former Combat Search and Rescue soldier to do? Fix up the ship, hire the cheapest pilot—a notorious drunk—and take the first contract that comes up: collect a bounty on one of the most ruthless killers in the Pirate Worlds, a place crawling with thieves, cutthroats and con artists whose primary language is violence. Jack must abandon his nice guy persona, or exploit it, if he is to survive.

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.

The starship Freedom was once a mighty warship. Today, she's a tourist attraction. The space wars ended long ago. The Freedom is now a flying museum; the tourists love it. The Changing of the Guard, the starfighter aerobatics, the starboard cannon salute...it's the best show in the galaxy. James King commands the starship Freedom. He hates his job. He was a real soldier once, back when the Freedom was a real warship. He never imagined himself running a tourist trap. Right after Christmas, he plans to retire. Then, on Christmas day, the aliens attack.

Centuries in the future, the Galactic Authority reigns over millions of advanced civilizations throughout the cosmos. From deep within the Galactic Core, the Authority’s principal Mind has won the allegiance of myriad nations, offering security, connection, and access to a network of interstellar Gates in exchange for compliance.

The starship Freedom was once a mighty warship. Today, she's a tourist attraction. The space wars ended long ago. The Freedom is now a flying museum; the tourists love it. The Changing of the Guard, the starfighter aerobatics, the starboard cannon salute...it's the best show in the galaxy. James King commands the starship Freedom. He hates his job. He was a real soldier once, back when the Freedom was a real warship. He never imagined himself running a tourist trap. Right after Christmas, he plans to retire. Then, on Christmas day, the aliens attack.

Major Ethan Irons thought surviving Earth's near-extinction event was the pinnacle of disaster, but when the remnants of humanity are catapulted into a galactic conflict beyond their wildest nightmares, he's plunged into an unimaginable odyssey. Armed with nothing but his wits, a sardonic AI companion, and unlikely alliances with enigmatic alien species, he must navigate the treacherous waters of intergalactic politics and warfare. Can Ethan and his ragtag band of survivors rekindle the flame of hope for humanity?

Get the Starship Gilead Box Set, featuring all three books in the series. 50+ hours of space fleets, conflict, and military space opera action.

In this gripping new military science fiction novel, the universe teeters on the brink of invasion, and the Obsidian Union scrambles to assemble a formidable force of combat pilots. Enter Gordy Harmen, once a legendary Air Force pilot whose illustrious career came to an end due to physical limitations. Desperate and with nothing to lose, Gordy is approached with a tantalizing proposition.

They came from deep space. They came to destroy us. Fifty years ago bloodthirsty aliens devastated the Earth. Most of humanity perished. We fell into darkness. But now we rise from the ashes. Now we fight back. Marco Emery was born into the war. After his mother is killed, he joins the Human Defense Force, Earth's ragtag army. Emery must survive basic training, become a soldier, and finally face the aliens in battle. Against the alien onslaught, Earth stands alone. But we will fight. We will rise. We will win.

In a world where family secrets unravel and identities shatter, Troy’s life takes an unexpected turn. His home is no longer a sanctuary, and his family’s truths are nothing but a web of lies. Cast adrift with only a battered ship, a cryptic name, and a distant destination, Troy embarks on a perilous journey to unravel the mysteries of his past.

Fourteen outstanding authors. Fourteen worlds that never were. Throughout the human experience, historians have wondered, “What if?” What if Japan had been on the side of the U.S. in World War II? What if things had been just a little different in the Falklands? What if Russia had started World War Three?

In the near future space debris around Earth has made it impossible to traverse our solar system. Or it would be, if not for prisoners sentenced to clearing that debris known as Orbital Garbage Removal Experts, or O.G.R.E. for short. Former linguistics professor Dax has made it a habit of working aboard The Junkyard with a small crew, the conspiracy theorist, tech-savvy hacker Mark and the once decorated military hero turned war criminal, Kane.

A mysterious signal. A start-up that wants to change the world. A future that no longer belongs to us. Contains all three books in The Stolen Future series.

The Union is gone. Interstellar travel is no longer safe. Enter ex-Union Navy Officer Cliff Rawlins. More than four years after being wrongfully stripped of his rank and decorations in a court-martial stacked against him, ex-Union Navy Officer Cliff Rawlins suddenly finds himself a free man. The galaxy to which he returns, however, is changing. The Union of Free Planets is on the verge of dissolving. Many of the shadowy political players working behind the scenes to end the Union are the same people who sent Cliff away. Yet, in the coming political upheaval, Cliff glimpses an opportunity.

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.

The Revenant Program collects badly wounded soldiers broken by war and converts them into unthinking, unfeeling cyborg weapons. Their bodies are immune to pain, their minds impervious to fear and doubt. All controlled by a neural implant called the Imperative. They are the ideal force for any mission too deadly or too difficult for normal men. A force that answers to the darkest corners of the military. But when one of the Revenants awakens, he can only remember two things: that he must fight, and a code name…Dead Man.

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.

What would happen if Imperial Rome never fell? Roma Eterna, spanning fifteen hundred years of global history, follows the reign of the Roman Empire from its inception to the present day. Empire continues to expand, creeping across the globe and through the annals of history from the conquest of the Mayans to the first circumnavigational voyage, and finally the attempt of the Hebrews to flee Rome’s tyranny by escaping to another planet.