Earth is no longer the center of the universe. After the invention of the faster-than-light jump drive, humanity is rapidly establishing new colonies. But the vast distances of space mean that the old order of protection and interstellar law offered by Earth has ceased to exist. When a nearby world attacks, the new colony of Glenlyon turns to Robert Geary, a young former junior fleet officer, and Mele Darcy, a onetime enlisted marine.

Earth is conquered. Sol is lost. One ship is tasked to free them. One Captain to save them all. When an alien armada destroys the United Earth Space Force and takes control of the human homeworld, newly reinstated Captain Annette Bond must take her experimental hyperspace cruiser Tornado into exile as Terra's only interstellar privateer. She has inferior technology, crude maps, and no concept of her enemy, but the seedy underbelly of galactic society welcomes her so long as she has prizes to sell and money to spend.

As a MechWarrior of the Draconis Combine, Minobu Tetsuhara was bound by Bushido - a code that demands loyal service - to the devious Warlord Grieg Samsonov. But when Minobu came upon a strange blue-and-gold Archer, Bushido also dictated that he not destroy the honorable but helpless warrior. And so begins the BattleTech Chronicles, books one, two and three...

Jack Reilly's luck ran out just before the war did. Resigning his commission in the Alliance shortly after the end of the war with the Serkins, he went out into the galaxy looking for a job. Signing onto the Glacier Runner 17, an old and rundown cargo ship, Reilly finds himself working for a clueless captain, mixed up in an intergalactic conspiracy, on the run from assassins, and involved with two women in relationships that he could only call "complicated". And that's just book one. Follow Lt. Jack Reilly and his partner, Major Mitchel, through their adventures.

Triplanetary was first serialized in Amazing Stories in 1934. After the Lensman series became popular, Smith took his Triplanetary story and turned it into the first of the Lensman series, using it as a prequel to give the back story for the protaganists in the Lensmen series. He added six new chapters, doubling it in size and it's really a different book from the serialized novel, being published 14 years after the first. It was put into Gutenberg just last year.

Twelve players set off through the online world of Galactogon, lured by the game owners' promise of an enormous payoff. The question is, who will survive to tell the tale? Which of the 12 is a potential hero - or a traitor in the making? Which of them will defend the weak, and who will become the ultimate evil overlord? A knight or a coward? Each of the 12 will have to choose his or her path.

When the human race faces extermination at the hands of an expanding species the last survivors travel a thousand years to reestablish the race ten thousands light years away. It is now a thousand years after the birth of the New Terran Empire. The race has aggressively expanded during that time, with a fleet that has never lost a war against an alien species. But the signs are there, the old enemy is back, and the Fleet will face its greatest challenge in a foe fifty times their size.

Starting a war with an enemy 100 times stronger is insane. It’s desperate. And it’s Earth’s only hope. A massive alien power looms over humanity, claiming Earth as its territory and humanity as its slaves. The Hegemony has already taken over one colony, yoking hundreds of thousands under their brutal rule. Every tactical exercise, every war game, and every simulation gives humanity zero chance in a defensive campaign.

Aerospace tycoon Gordon Elliot Lee cannot stand idly by while a mysterious alien presence from Delta Pavonis bears down upon mankind's only home. Shut out from NASA and military support, Gordon is forced to go it alone, to sow the seeds for an entirely new sort of planetary defense: a space-based naval force.

Captain Jonathan Dallas, Commodore of Battle Unit 72, investigates the disappearance of a military research vessel on the fringes of known space. When the unit is ambushed by a threat that endangers not only the fleet but also all of humanity itself, Jonathan must somehow find the resources to fight back.

In the final days of World War II, the Allies ransacked Berlin. Third Reich scientists were highly sought-out prizes for Americans and Russians desperate to possess Nazi nuclear knowledge. But they failed to capture one of the most vital members of Adolf Hitler’s inner circle, Hans Kammler, a liaison with the Nazis’ silent partners whose technological wonders nearly helped the Axis win the war - the alien species the Germans called the Eidechse. More than seven decades later, US Navy SEAL Mark Hunter witnesses the impossible in North Korea....

The TDF Marco Polo embarks on its maiden voyage outside Earth's solar system, leading to the discovery of an extinct civilization destroyed by orbital bombardment. Deep underground is a mysterious library of alien secrets.

A forgotten colony of humans live on a water world circling a tiny, faded star on the edge of the galaxy. The crew of their newest flagship, the Rampart, encounters an alien scout who is being chased by a dangerous foe. The encounter shakes the beliefs held by the people of Lashmere. With the aid of the mysteries of the origin tablet, they discover the true origins of their colony. These may be the last humans in the universe. Can they survive against their ancient enemy? Their only choice is to embrace an unknown past and fight with everything they have.

It’s odd the way some things work out. You expect to wake up dead, and instead, you wake up to the beautiful face of your wife. I was understandably confused. I had died…or at least I sure as heck thought I had. Don’t get me wrong, I’m not complaining. I’ve been alive for a number of years now, and to be honest…I’m quite fond of it. I just didn’t understand "how" I was alive. My name is Fleet Admiral Jeremy Riker…but my friends call me Dog. This is my story.

Captain John Nathan Duggan and his crew are given a mission - find the missing ESS Crimson and bring it home. Little does Duggan realize, this is no ordinary mission. As he struggles against enemies both within and without, he desperately tries to unlock the mystery surrounding the Crimson's disappearance and the unknown weapons it carries. He soon discovers the missing warship might be the only hope for salvation that mankind has left. When everything is veiled in secrecy nothing is easy, as Duggan is about to find out.

"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 Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

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.

The last reward Kira Demirci expected for heroism in a time of war was to spend the rest of her life dodging assassins - but when her government betrays her as part of their surrender, she and her comrades flee the star system of Apollo to the edge of civilized space. The Syntactic Cluster is disorganized, disunified, and in desperate need of the nova fighters Kira smuggled out of Apollo with her. With an entire squadron supposed to follow in her wake, it falls to her to build a new home for her comrades.

Earth is conquered. Sol is lost. One ship is tasked to free them. One Captain to save them all. When an alien armada destroys the United Earth Space Force and takes control of the human homeworld, newly reinstated Captain Annette Bond must take her experimental hyperspace cruiser Tornado into exile as Terra's only interstellar privateer. She has inferior technology, crude maps, and no concept of her enemy, but the seedy underbelly of galactic society welcomes her so long as she has prizes to sell and money to spend.

The TDF Marco Polo embarks on its maiden voyage outside Earth's solar system, leading to the discovery of an extinct civilization destroyed by orbital bombardment. Deep underground is a mysterious library of alien secrets.

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 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.

On America's newest combat base, U.S. Air Force aerial warfare expert Major General Patrick McLanahan and his crew of daring engineers are devising the air combat unit of the future. Known as Air Battle Force, it can launch concentrated, stealthy, precision-guided firepower to any spot on the globe within hours. And soon McLanahan and his warriors will have their first target.

The Phage War had been a devastating conflict for the Terran Confederacy. Even with the destruction of their terrifying, implacable foe, humanity is still reeling. Political alliances are crumbling, and their mighty fleet is in tatters. There is nothing to celebrate, even after such a complete victory. They soon learn that there are other stellar neighbors - and they've been watching the conflict with great interest. One species comes with an offer of friendship and alliance, but humanity is weary and distrustful.

Jan Kulozik was one of Earth's privileged elite. A brilliant young electronics engineer, he enjoyed all the blessings of a twenty-third-century civilization that survived global collapse and conquered the starts, unaware of the millions who slaved or starved to maintain his way of life. Then Jan met Sara, a beautiful agent of the rebel underground dedicated to smashing Earth's rigid caste system. Through her he discovered the truth behind the lies he'd been taught.

At a time when Humans were just starting to venture forth into the Galactic Union as mercenaries, Martin Quincy survived long enough to do something no one else had - he retired. There was only one problem: He got bored. After battling aliens for many years - killing aliens and getting paid - retirement didn’t suit him, and he decided to strap on the combat armor and go back to the stars. Along with his old friend Kal, Martin joined Cartwright’s Cavaliers, humanity’s best merc company. Life was exciting! But he got bored. Again.

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.

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.

When the Synthetic Intelligence Val Ky Ree wakes from her emergency shut-down after a climactic battle, she discovers thousands of years have passed, and her creator race, the Aesir, have all gone. The last of her kind, she finds a new purpose in protecting the remaining few thousand humans from the hostile alien races called The Compact. As humanity teeters on the edge of extinction, one human male helps her to realize her destiny.