Across the six-planet expanse of the Gaia System, the Earthlike Gretia struggles to stabilize in the wake of an interplanetary war. Amid an uneasy alliance to maintain economies, resources, and populations, Aden Robertson reemerges. After devoting fifteen years of his life to the reviled losing side, with the blood of half a million casualties on his hands, Aden is looking for a way to move on. He’s not the only one. A naval officer has borne witness to inconceivable attacks on a salvaged fleet. A sergeant with the occupation forces is treading increasingly hostile ground.

There he was in his sailboat in the middle of the Atlantic, all alone and loving it. Well, there was a US Navy carrier group on his southern horizon, but he was a Navy guy himself, so he didn't mind. Then came the UFOs, hurtling in from the Outer Black to overfly the carriers at Mach 17. Their impossible aerobatics were bad enough—but then they started shooting at each other, and at the Navy, with nukes. Little ones at first, but winding up with a 500 megatonner at 90 miles that fried every piece of electronics within line-of-sight.

Two centuries after humanity colonized the stars, new dangers emerge. The peaceful inhabitants of the Conclave are threatened by expanding alien powers. Invaders threaten the star cluster, attacking our fringe settlements. Captain Bill Gorman has mysteriously disappeared. His clone, set aside for a dark day like this, awakens and begins to put together the pieces. What’s gone wrong out on the frontier? Why are our colonies being attacked by aliens while the Conclave worlds dream of better days? And what happened to the original Captain Gorman?

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.

After two brutal, bloody struggles for their very existence against implacable alien foes, humanity is victorious, but not at peace. As distrust and accusations consume the political discourse between the two major factions, the Eastern Star Alliance military has already begun executing small raiding missions into United Terran Federation space. The Federation fleet, still reeling from the last war, is in no shape to try and protect its own borders.

Geary believed in the Alliance. Even when he uncovered overwhelming evidence that the highest echelons of the government and fleet command were involved in secret programs and prison camps, he believed it was worth saving. He believed his duty was to see that justice was served even though some factions feared that revealing the truth would cause the Alliance to crumble. But after narrowly surviving two assassination attempts when he brings evidence of the misdeeds to the capital star system, Geary realizes that some want to get rid of him.

In the early 22nd century, humanity has spread through the solar system - and their electromagnetic signals have traveled hundreds of light years. An alien race called the Oghaldzon has decided that mankind is dangerously insane...and must be forcibly taken under control. The invasion fleet's technology is decades ahead of Earth's best. They have more ships than the human fleets combined, and a seemingly-inexhaustible number of ground troops. And they're not afraid to kill billions of people.

From the atomic age in Atlantis to a world remote in space and time, two incredible ancient races, the Arisians and the Eddorians, are in the midst of an interstellar war - with Earth as the prize.

For 17 years, Colonel Henry Wong and the United Planets Space Force have fought the Kenmiri Empire. They drove the alien overlords back from humanity's borders into their own stars and found allies among the Kenmiri's slaves and subjects. Now the war is over. A great Gathering has been called of the allies who fought the war, but they only ever shared a common enemy. With the Kenmiri in retreat, a thousand new agendas are revealed.

Lieutenant Sam Bitka, US Naval Reserve, is getting used to civilian life when he is called back to active duty. Tensions between Earth and the alien Varoki are on the rise, and Sam is assigned as tactical officer aboard the deep space destroyer USS Puebla. Dispatched to the distant world of K'tok to protect human colonists, he wants nothing more than to serve out his active duty time and get back to his civilian life. But when the Varoki launch a crippling surprise attack against the Earth coalition fleet, Sam finds himself suddenly in command of the USS Puebla.

Despite economic and territorial tensions, no one wants the city-states of the Eight Worlds to repeat the Terran Collapse by going to war. But when war accidentally happens, everyone seeks ways to exploit it for gain. The Landry and Peregoy ruling dynasties see opportunities to grab territory, increase profits, and settle old scores. Exploited underclasses use war to fuel rebellion. Ambitious heirs can finally topple their elders’ regimes - or try to.

When Simon and Katherine Hawke stumble upon an alien shuttle that has landed on earth, it’ll not only change the course of their lives, but of the entire world. Taking the shuttle into orbit, they discover a much larger ship left adrift with no one on board. Commandeering it, they confirm that we’re not alone in the universe and must prepare the human race for what is about to come. Recruiting from all over the world, they begin to expand their fleet and build a federation to give humans a foothold in the galaxy.

A year ago, the war against the Theocracy ended. But it didn't bring peace. Admiral Kat Falcone was lucky - her side won the war. But without an external threat, Kat’s homeworld government, the Commonwealth, begins to burst. The galactic war may be over, but there is a civil war on the horizon. The king and parliament disagree over the Commonwealth's future. The Commonwealth's first recession is plaguing corporations.

Humanity has reached an uneasy truce with the Empire—but unless the allies bring the fight to the enemy, extinction is all but assured. In preparation for the inevitable next war, Commander Stephen Michaels is at the helm of the Archangel Squadron, and his orders are simple: go rogue. Disguised as mercenaries, Commander Michaels and the Archangels seek valuable intelligence on their imposing foe. Their mission takes them deep into uncharted territory, where they make inroads with the Empire, fiercely guarding their true identities and purpose.

Captain Isaac Gallant is the only son of the dictator of the Confederacy, his career slowed by a dozen measures to protect his reputation and safety alike - but he has no intention of being a pampered child. He is determined to do his duty. An attempt to force his crew to acknowledge their own duties puts his ship in a unique position to intervene when an overwhelming rebel attack is launched on one of the Confederacy’s most critical facilities.

For 17 years, Colonel Henry Wong and the United Planets Space Force have fought the Kenmiri Empire. They drove the alien overlords back from humanity's borders into their own stars and found allies among the Kenmiri's slaves and subjects. Now the war is over. A great Gathering has been called of the allies who fought the war, but they only ever shared a common enemy. With the Kenmiri in retreat, a thousand new agendas are revealed.

"Triplanetary" is a science fiction novel by E. E. Smith. The novel covers several episodes in an eons-long human breeding project by the super-intelligences of the Arisians. This alien race is breeding two genetic lines to become the ultimate weapon in Arisia's cosmic war with their archenemies, the Eddorians. The story cover the Kinnison genetic line during the fall of Atlantis, Nero's reign in Rome, World Wars One, Two, and Three.

The Hundred Worlds have withstood invasion by the relentless Hok for decades. The human worlds are strong, but the Hok have the resources of a thousand planets behind them, and their fleets attack in endless waves. The long war has transformed the Hundred Worlds into heavily fortified star systems. Their economies are geared for military output, and they raise specialized soldiers to save our species. Assault Captain Derek Straker is one such man among many.

Captain Isaac Gallant is the only son of the dictator of the Confederacy, his career slowed by a dozen measures to protect his reputation and safety alike - but he has no intention of being a pampered child. He is determined to do his duty. An attempt to force his crew to acknowledge their own duties puts his ship in a unique position to intervene when an overwhelming rebel attack is launched on one of the Confederacy’s most critical facilities.

The first book in an action–packed new SF adventure series. Vulcan is a factory planet, centuries old, Company run, ugly as sin, and unfeeling as death. Vulcan breeds just two types of native: complacent or tough. Sten is tough. When his family is killed in a mysterious accident, Sten rebels, harassing the Company from the metal world’s endless maze-like warrens. He could end up just another burnt–out Delinquent. But people like Sten never give up.

A derelict warship, ancient but still alive. A small team of humans fighting for all humanity. Built for a time when the races were just finding their way to the stars, finding that they could dominate others. The galactic conquests created the arms race and the ancients, the Progenitors had to protect their own. They built a ship to drive the others away.

The Galactic Empire is dying and chaos and anarchy are breaking out everywhere. After a disastrous mission against terrorists on Earth itself, Captain Edward Stalker of the Terran Marine Corps makes the mistake of speaking truth to power, telling one of the most powerful men in the Empire a few home truths. As a result, Captain Stalker and his men are unceremoniously exiled to Avalon, a world right on the Rim of the Empire. It should have been an easy posting...

A thousand years ago, an alien invasion set humanity back to the Iron Age. Slowly, we recovered, colonizing the Solar System in peace. And discovered that an unknown force is stopping us from exploring any farther. But before the cause can be discovered, a slow-burning conspiracy threatens to explode into System-wide war. With enemies at home and in the darkness beyond, a team of unlikely heroes-a janitor, a mercenary, an asteroid miner, and a pirate-are the only ones who can avert a second apocalypse. This set includes the first three books of the newly-finished REBEL STARS series.

It came from deep space. It sent the signal. Now our computers are killing us, helping the enemy drive us into extinction. But some of us refuse to die. We fight back. We learn. Jon Hawkins revives from cryogenic sleep in a drifting SLN battleship. The crew is dead and the main computer has been destroyed. Jon is a soldier, the start of the resistance, the one man with the will to beat the alien death machines that have terminated 1000 races. This is our hour as we face the ultimate evil, the galactic destroyer of life.

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 Peacemaker-enforced ceasefire brought an end to the hostilities, but not a resolution, and now it’s up to the Four Horsemen to forge a lasting peace. Alexis Cromwell, despite her pregnancy, heads off to Capital with Nigel Shirazi to obtain justice from the enigmatic Mercenary Guild Council, but when they arrive, they’re quickly embroiled in galactic politics, and find out the situation is far, far worse than they could possibly have imagined.

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.

It's been eighty years since Thorn split his people into six societies spread across the galaxy. He's known all that time a timeline shift was coming, and the role he needed to play when it did. The mages of his world are ready, including his great-great nephew, Bud. For Bud, living in the shadow of his legend relative hasn't really been an issue, and his role in the timeline shift is supposed to be minor. But Kali has an agenda, magic has its own agenda, and since Thorn is old, and tired of his people's reliance on him, he too has an agenda.

When Simon and Katherine Hawke stumble upon an alien shuttle that has landed on earth, it’ll not only change the course of their lives, but of the entire world. Taking the shuttle into orbit, they discover a much larger ship left adrift with no one on board. Commandeering it, they confirm that we’re not alone in the universe and must prepare the human race for what is about to come. Recruiting from all over the world, they begin to expand their fleet and build a federation to give humans a foothold in the galaxy.

Brilliant government scientist Richard Seaton discovers a remarkable faster-than-light fuel that will power his interstellar spaceship, The Skylark. His ruthless rival, Marc DuQuesne, and the sinister World Steel Corporation will do anything to get their hands on the fuel. They kidnap Seaton's fiancée and friends, unleashing a furious pursuit and igniting a burning desire for revenge that will propel The Skylark across the galaxy and back.