Once the Sith order teemed with followers. But their rivalries divided them in endless battles for supremacy - until one dark lord at last united the Sith in the quest to enslave the galaxy and exterminate the Jedi. Yet it would fall to another, far more powerful than the entire Brotherhood of Darkness, to ultimately realize the full potential of the Sith, and wield the awesome power of the dark side as never before.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

Kyle Riggs is snatched by an alien spacecraft sometime after midnight. The ship is testing everyone it catches and murdering the weak. The good news is that Kyle keeps passing tests and staying alive. The bad news is the aliens who sent this ship are the nicest ones out there.

In the year AD 3000, Earth is a dystopian wasteland, plundered of its natural resources by alien conquerors known as Psychlos. Fewer than 35,000 humans survive in a handful of communities scattered across the face of a post-apocalyptic Earth. From the ashes of humanity rises a young hero, Jonnie Goodboy Tyler. Setting off on an initial quest to discover a hidden evil, Jonnie unlocks the mystery of humanity’s demise and unearths a crucial weakness in their oppressors.

Predator ships stream into human space in unprecedented numbers. The Colonial Marines, controlled by Weyland-Yutani, respond to the incursion, thus entering the Rage War. This terrifying assault by the Yautja cannot go unchallenged, yet the cost of combat is high. Predators are master combatants, and each encounter yields a high body count. Then, when Lt. Johnny Mains and his marines - the VoidLarks - enter the fray, they discover an enemy deadlier than any could imagine.

Earth has long ago expanded into space, found, fought, and befriended aliens, and expanded across the galaxy to dominate most of it, but one of the semi-immortal warlords who founded it is about to have a revelation as the "Endgame" that has been whispered between various advanced civilizations lands squarely on his shoulders. The Empire knew this was coming, but they had no idea the scope of it. Lightside civilizations are always hounded and attacked by those who revel in evil, but when the Endgame starts, it's a beatdown like no other coming from outside the galaxy.

Anthony has been reborn! Placed into the remarkable game-like world of Pangera. But something seems a little off... What's with these skills? Bite? Dig? Wait.... He's been reborn as a WHAT?! Follow Anthony as he attempts to adjust to his new life as an ant in his new Dungeon home. He'll have to learn how to survive, level-up, and grow both himself and his bite-sized colony into a force to be reckoned with.

Surviving a plane crash wasn’t easy, but surviving the apocalypse will be nearly impossible. Nigel Fletcher finds himself stranded on a deserted island with nothing but his journal and the clothes on his back. Not only must he locate food, water, and shelter to survive, but Nigel will also have to combat wave after wave of savage monsters intent on ridding the world of humanity.

In a crumbling futuristic society, Earth is only a myth, the technological advances of centuries have faded into distant memory, and space travel depends on a fleet of run-down, unreliable ships. Only the brave-or foolhardy-undertake such risky journeys. The brave, the foolhardy-and the runners… Jak Rebo is one such runner, whose current job is to deliver a future religious leader to his people, while avoiding assassins.

Nick was going to make something of himself. He was not going to be just another guy drifting through life. Then he died. Lucky for him he caught the attention of an eccentric god and gets to choose: reincarnation or travel beyond. Nick is reborn as a champion of Ki’darth people. He must learn their ways, stay alive, and work to understand the Titan system, one level at a time.

We colonized 700 planets. Humankind enjoyed the benefits of expansion room and the end of wars. We even disbanded our military. Then the Krall found us. The Krall have used thousands of years of combat to select the genes of the strongest and fastest warriors. They are a species determined to dominate the entire galaxy, through destruction and annihilation of every opponent.

Koban is an uninhabited high-gravity planet with impossibly fast savage animals, which employ organic superconducting nerves. This deadly world is where the Krall tested humans for war capability.

The Resistance has won, but it was Pyrrhic victory. With Sanctuary in flames and Nova missing, it's up to Magnus to turn the tides of war against the Legatus. But will it be enough? Amid this turmoil, Ubiquity Prime's subjugation fleet steadily approaches Kelruhn, promising total annihilation. Up against the greatest foes of his life, Magnus must lead his meager forces in a war where failure is not an option, and the fate of two worlds hinges on the actions of one man.

Countdown: At long last, an extraterrestrial civilization reached out and made the First Contact. The end of their message showed humankind how to access a mysterious game. But as people figure out this mysterious game, the countdown timer ticks away. And no one can say exactly what will happen when Earth's safety is no longer guaranteed.

Wizard scouts are the elite, deep-recon forces of the Intergalactic Empire. They are a mix of technology and magic-like abilities. Richard has been given a once-in-a-lifetime opportunity to become one of these legendary soldiers. All he has to do is make it through the Wizard Scout Academy. But with a TAC officer who hates his guts, will he even be allowed to graduate. To make matters worse, the Empire has been attacked and soon finds itself in a major war.

The Earth lies in ruins in the aftermath of an extraterrestrial invasion, the land devastated by a desperate war with no winners between mankind and a race of vicious, intelligent creatures. The seas are drying up while the atmosphere corrodes and slowly cooks any life remaining on the now desolate rock. Food is scarce, trust even more so, and the only people left alive all have done horrific things to stay that way.

Jared Cartwright grew up in a loving, caring community, completely isolated from the horrors of the outside world. When tragedy leaves him alone and untethered, Jared sets out to explore the unknown; a world where twisted, scarred creatures roam an earth ravaged by nuclear war while the rich fled to the skies on floating utopias, escaping destruction and leaving the rest of humanity to die. To face his new reality, Jared must learn to survive in a cold, harsh world. A twist of fate changes Jared's destiny when he discovers dragons are real.

In the future, the terminally ill can prolong life by surrendering their consciousness to a cybernetic life form that is then recruited into the notorious Legion of the Damned, an elite fighting unit charged with protecting humanity.

In the wilds of a jungle planet, the Legion fights in brutal combat as Republic marines fly their SLICS from one tragedy to the next. H292, a repurposed warbot, shows the heart of a hero as he wades into the battle not to destroy - but to save.

The plot by the Galactic Union’s Mercenary Guild against the Four Horsemen has culminated in an invasion of Earth. Faced with an overwhelming force, the human mercs had no choice. They’ve fled, leaving Sansar Enkh to go to the Mercenary Guild headquarters on Capital Planet to stand trial for humanity. On the run, Jim Cartwright and Nigel Shirazi have travelled to the Winged Hussars’ secret base of New Warsaw, in an effort to convince Alexis Cromwell to join the fight, while the other mercenaries who escaped the fall of Earth have gone to the perceived safe haven of Karma.

In Antarctica, a research expedition discovers an ancient structure buried deep in the ice. In Indonesia, a genetics researcher identifies a breakthrough treatment for autism. But these two incredible discoveries aren't what they seem. They will set off a race to unravel the deepest secrets of human existence—the true history of human origins. And an event that could change humanity forever.

Covert government operative Danielle Laidlaw leads an expedition into the deepest reaches of the Amazon in search of a legendary Mayan city. Assisted by a renowned university professor and protected by a mercenary named Hawker, her team journeys into the tangled rain forest - unaware that they are replacements for a group that vanished weeks before, and that the treasure they are seeking is no mere artifact but a breakthrough discovery that could transform the world.

Archaeologists Pippa Quinn and Charlie Jackson find advanced technology in undisturbed 16th-century graves. A portent, the discovery precedes thousands of giant sinkholes opening up across the globe as extreme weather threatens the population. Charlie suspects the two are related.

Captain Mitchell "Ares" Williams is a space marine and the hero of the Battle for Liberty whose shot heard 'round the universe saved the planet from a nearly unstoppable war machine. He's handsome, charismatic, and the perfect poster boy to help the military drive enlistment. Pulled from the war and thrown into the spotlight, he's as efficient at charming the media and bedding beautiful celebrities as he was at shooting down enemy starfighters.

Under the benevolent leadership of the League of Peoples, there is no war, little crime, and life is sacred...unless you're an Explorer. The ugly, the flawed, the misfit, the deformed, they are the unwanted, flung to the farthest corners of the galaxy to investigate hostile planets and strange, vicious creatures. Out there, there are a thousand different - and terrible - ways to die.

Kalian Gaines has a secret; he just doesn't know it yet. He looks like us, he lives like us...but he is not one of us. Kalian knows nothing outside of his mundane life teaching history on 30th-century Earth, until a day like any other triggers a series of events that will tie his fate to that of humanity. A human handprint, embedded into a rock with alien script, is discovered on a moon that mankind has never set foot on. This discovery holds a secret, which will sweep Kalian into the heart of a conspiracy that has corrupted the galaxy for 200,000 years.

Alex Hunter - in the mission that turned him from a normal man into the weapon known as the Arcadian - and the elite team of soldiers known as the Hotzone All-Forces Warfare Commandos must enter a hostile country to rescue a defected Chechen researcher from the centre of a country at war. But the HAWCs are not the only ones looking for the rogue scientist and the mysterious package he carries with him. A brutal and relentless killer and his death squad are on the trail, too - and they bring a savagery with them that Hunter and his team have never witnessed before in modern warfare.

John O'Ryan is not a god...not exactly. He is an eternal warrior destined to combat the Dark Lord through all time for dominion of the Earth. Follow him, servant of a great race, as he battles his enemy down the halls of time, from the caves of our ancestors to the final confrontation under the hammer of nuclear annihilation.

On Easter morning, 1972, Marine captain John Ripley braved intense enemy fire to blow up a bridge during the North Vietnamese "Easter Offensive." Ripley became a legend within the Marine Corps for his daring act of heroism. His story is described here by fellow Marine John Grider Miller. Miller lays bare Ripley's innermost thoughts during the 3 hours it took to place and set the fuses while some 30,000 enemy troops and 200 tanks prepared to cross just yards away. Such a compelling act of raw courage and personal resolve is rarely encountered.

Predator ships stream into human space in unprecedented numbers. The Colonial Marines, controlled by Weyland-Yutani, respond to the incursion, thus entering the Rage War. This terrifying assault by the Yautja cannot go unchallenged, yet the cost of combat is high. Predators are master combatants, and each encounter yields a high body count. Then, when Lt. Johnny Mains and his marines - the VoidLarks - enter the fray, they discover an enemy deadlier than any could imagine.