Showing titles in Hard Science Fiction

After the mysterious discovery of an alien mech inside a comet, Darkstream Security has finally completed its own design. They assign Chief Gabriel Roach with the task of whittling down hundreds of bright young recruits to form a team of elite mech pilots, which he will command. Their mission: protect human colonies from the almighty Quatro. A single Quatro can take down an entire squad of traditional soldiers. But Roach is the perfect one for the job.

What if you developed a technology that made it impossible for anyone to lie? About anything. Would this save humanity from itself? Or would it tear society apart? And just how far would power players around the globe go to stop it? Elias Gibson has invented such a technology. But will this lead to a glorious future, or to the collapse of civilization? Before Elias can answer this question, he finds himself battling for his very survival, and racing to uncover the identities and motives of the treacherous forces arrayed against him.

In the first book, On Mars, Jason stumbled across the escape pod to a 3,500-year-old derelict spacecraft. The AI for the ship then informed Jason that he was now the Captain of a massive alien Starship due to him having traces of alien DNA. That 'should' have been good news. But the bad news was that Jason's DNA has an additional trait, one that shouldn't be there... The last time anyone had one of the forbidden DNA traits, it started the war that left the ship derelict. To fight the aliens that want him dead, Jason must become something from their nightmares... This second book starts with...

It’s been 20 years since the quixotic and worldsweary Louis Wu discovered the Ringworld. Now he and SpeakertoAnimals are going back, captives of the Hindmost, a deposed puppeteer leader. With Louis’ help, the Hindmost intends to regain his status by bringing back such extraordinary treasures from the Ringworld that his fellow puppeteers will have to be impressed. But when they arrive, Louis discovers that the Ringworld is no longer stable - and will destroy itself within months. To survive, he must locate the control center of the legendary engineers who built the planet.

Three complete novels. Thirty-three hours of survival action. If you're a fan of Robert A. Heinlein, Jean Auel, and S. M. Stirling, you're going to love Jack L. Knapp. Thousands of copies have been downloaded. This is survivalism at its best...in an Earth that never knew humans!

Nine brilliant scientists travel light-years on a one-way trip to an Earthlike planet. Their mission is to study from orbit the two species of intelligent lifeforms on the surface. The first: an isolated people embarking on civilization and building their world's first city. The second: a brutal race of massive predators, spread thick and still growing across the dominant landmass - destined to breed and eat their way to extinction within a few centuries.

From Joshua Dalzelle comes the follow-up to the number-one best seller Warship. Captain Jackson Wolfe survived the initial incursion of a vicious alien species into human space...barely. He had assumed the juggernaut that had devastated three Terran systems was the herald for a full invasion, but for the last few years it has been eerily quiet along the Frontier. Jackson now struggles to convince the Confederate leadership the threat is still imminent and needs to be taken seriously.

In the best-selling novels Venus and Jupiter, Ben Bova dramatized the latest discoveries about our own solar system in an epic tale of near-future exploration and development. Now Bova turns his attention to one of our system's greatest mysteries, Saturn.

In the mid-23rd century, Darwin, Australia, stands as the last human city on Earth. The world has succumbed to an alien plague, with most of the population transformed into mindless, savage creatures. The planet’s refugees flock to Darwin, where a space elevator—created by the architects of this apocalypse, the Builders—emits a plague-suppressing aura.

The struggle for survival sharpens as resources dwindle, technology fails, and the grim reality of life on Donovan unfolds. Supervisor Kalico Aguila has bet everything on a fragile settlement far south of Port Authority. There, she has carved a farm and mine out of wilderness. But Donovan is closing in. When conditions couldn't get worse, a murderous peril descends out of Donovan's sky - one that will leave Kalico bleeding and shattered.

In John Scalzi's re-imagining of H. Beam Piper's 1962 sci-fi classic Little Fuzzy, written with the full cooperation of the Piper Estate, Jack Holloway works alone for reasons he doesnt care to talk about. Hundreds of miles from ZaraCorps headquarters on planet, 178 light-years from the corporations headquarters on Earth, Jack is content as an independent contractor, prospecting and surveying at his own pace. As for his past, thats not up for discussion.

Earth is rising in the House of Voltar.... And there’ll be hell to pay! That’s right. The invasion is on...and it’s coming soon to a galaxy near you. The action couldn’t be hotter, and the plot couldn’t be more diabolical. Earth is coming to Voltar - and the Voltarians won’t know what hit them. Murder, blackmail, drugs, psychoanalysis, PR firms, sex-crazed teenyboppers, riots in the streets, women in chains. These are the powerful secret weapons of war.

Mark Victor was a soldier left broken after the Harmony War ended. What can a broken ex-trooper really do? What are they good for if they've gone through the EMF and been tossed out the other side? If you were to ask Mark...Maybe, doing what the enemy couldn't and following his brothers and sisters. Mark wakes up to a nightmare, to an unfamiliar place with unknown faces. A planet under attack, an enemy he's never seen before. He just wants to escape, but when he sees others in danger, he realizes that a trooper stands for something; they stand to protect their own. No matter the cost.

Consider Phlebas: Booktrack Edition adds an immersive musical soundtrack to your audiobook listening experience! The first audiobook in Iain M. Banks's seminal science fiction series, The Culture. Consider Phlebas introduces listeners to a utopian conglomeration of human and alien races that explores the nature of war, morality, and the limitless bounds of mankind's imagination.

To win an impossible war, Captain Kel Cheris must awaken an ancient weapon and a despised traitor general.

Captain Kel Cheris of the Hexarchate is disgraced for using unconventional methods in a battle against heretics. Kel Command gives her the opportunity to redeem herself by retaking the Fortress of Scattered Needles, a star fortress that has recently been captured by heretics. Cheris' career isn't the only thing at stake. If the fortress falls, the Hexarchate itself might be next.

When a catastrophic solar storm brings about the collapse of modern civilization, an Amish community in Pennsylvania is caught up in the devastating aftermath. Once-bright skies are now dark. Planes have plummeted to the ground. The systems of modern life have crumbled. With their stocked larders and stores of supplies, the Amish are unaffected at first. But as the English (the Amish name for all non-Amish people) become more and more desperate, they begin to invade Amish farms.

Nothing brings change like war. A surge of new tech. New weapons. New tactics. To lead a crew to victory, a captain must understand change. He must understand command and that it is a test. A test most men fail. He must be brilliant. Resourceful. Every second. Of every day. And at night during scarce moments of rest, he must sleep the sleep of the righteous. The time has come for Commander Tad Thatcher to look in the mirror. The time has come to ask himself...am I that kind of man?

Rapid colonization of the moon is pushing both national space agencies and powerful corporations to negotiate a New Lunar Accord in an effort to prevent escalating conflicts over valuable resources and territory. But hope that this treaty will bring stability to the nascent lunar civilization is suddenly dashed when a high-energy solar storm causes a cascade of destruction to the vast satellite constellations that orbit Earth. Now it’s only a matter of weeks before the ever-increasing debris cloud makes travel back to the home planet impossible.

With the planet's fighting men and women deployed across the galaxy - battling in the noble cause of enslaved humanity - the insidious Xul have reached across space to devastate the unsuspecting Earth with asteroid fire. Without warning, a once-majestic world is reduced to near-rubble - and the very future of humankind is in dire jeopardy. Interplanetary leaders are on the brink of abandoning Earth and its colonies to an overwhelming enemy. But Brigadier General Garroway of the Marine Interstellar Expeditionary Unit is unwilling to concede defeat.

For decades, the spacefaring species of known space have battled over the largest artifact - and grandest prize - in the galaxy: the all-but-limitless resources and technology of the Ringworld. Now, without warning, the Ringworld has vanished, leaving behind three rival war fleets. If the fallen civilization of the Ringworld can no longer be despoiled of its secrets, the puppeteers will be forced to surrender theirs - everyone knows that they are cowards. But the crises converging upon the trillion puppeteers of the Fleet of Worlds go far beyond even the onrushing armadas.