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When NASA's Sentinel I satellite detects an impossible reflection and a mysterious signal from Shackleton Crater, the world is thrown into chaos. The discovery points to one chilling truth: an alien artifact lies hidden beneath the lunar surface—and it wants to be found. As China scrambles to exploit the revelation, a new moon race ignites, pushing humanity to the brink.

They told Derek Calver that he'd find an odd bunch among the Rim Runners out on the edge of space: Refugees from the Interstellar Transport Commission from the Survey Service, the Waverly Royal Mail and the Trans-Galactic Clipppers. But Calver didn't mind; he said he was a refugee from the Commission himself. He might have added that he was a refugee from Derek Calver, the mistakes he had made, the opportunities he had thrown away, the dreams that had been lost.

Head peace officer Anya Savelova believed her people, living on a hostile planet in the ice-bound city of Novayarkha, were the last of humanity. Until the day she learned they weren't. When a starship from an Earth thought long dead appears in orbit over her world, Anya imagines an explosion of possible futures, offering her people the freedom to transcend the limiting environment of the planet they'd thought was their last refuge. In the starship's crew, Anya finds creativity, diversity, innovation–all things the colony has had to inhibit to survive.

Captain Cirilo Webster is a loyal officer of the Santiago Corporation, the multistellar megacorporation that controlls all travel between the Seventy-Seven human colonies. Finally given command of his first interstellar freighter, he is determined to do well by both his crew and his employers—but nothing is ever that simple. His crew is used to Captains passing through on their way to better ships. The Company’s policies have made more enemies than he can count. Their mission is unusual and the client might be lying to him. And if all of that wasn’t enough?

In this story — Omega Space Program, Earth's premature death is triggered by a rogue sun, forcing humanity’s last hope into space aboard two advanced vessels: the Solaris Ark, manned by scientists seeking new habitable worlds, and the Omega Ark, an automated bio-vault carrying genetically engineered lifeforms designed for alien colonization. While Solaris charts a path of exploration, Omega is knocked off course, drifting toward a mysterious exoplanet.

Setia Zees fled Earth to escape the clutches of a tyrannical master, becoming one of humanity’s first deep space colonists. Her destination, Talman Prime, should be a pristine planet, never inhabited by intelligent life. That’s how it looks at first, but then Setia stumbles across what seem to be the remains of an ancient civilization.

We didn't know what to expect when we jumped through the Leap Point. We certainly didn't anticipate finding that humans had been out here before. We thought we were the first to leave our star system, but we we're wrong. Maybe Hegemony was correct. Maybe we are just blundering our way from discovery to discovery, and it's only a matter of time before we encounter something in the vast darkness that takes a real bite out of us. It would certainly help if the government had our back.

Earth is just a fleeting memory. In the inhabited Circles of the Dyson Sphere the natives call Unity, everything is different. Time here is measured in cycles that change with the signs of the celestial calendar. The lords of the Skythrone set the new rules, and all Nations of the Circle gather for the moot to discuss how to live on. The moot. This is what the neurolinguistic system calls the gathering of representatives in the sacred place at the foot of the radiant Ygg-Tree. Here, new Ascendants are announced, disputes are resolved, alliances are forged, and wars are declared.

William Ortell, a refugee of the war between gods, finds himself chosen as a successor to a long dead hero of the war. He must decide whether to put aside his grudges or to sink into the comforting stillness he has created for himself. He isn't alone, though. Joining him are scientists, soldiers, magical experts, all with their own stories, all from their own walks of life, and all with their own reasons for fighting. As they are, could they possibly hope to stand against the Soulless? Against the dangers the galaxy holds? Or will they fall just as so many heroes had before them?

Step into a whimsical world where philosophy meets imagination in The Greats Abridged: A Voyage to the Moon—a 17th-century satirical masterpiece by Cyrano de Bergerac. Narrated with charm and clarity by Richard Stibbard, this early science fiction tale follows the bold and eccentric Cyrano as he devises bizarre methods to travel to the Moon. Once there, he discovers a strange lunar civilization and engages in witty philosophical debates that challenge earthly norms.

Destry's life is dedicated to terraforming Sask-E. As part of the Environmental Rescue Team, she cares for the planet and its burgeoning eco-systems as her parents and their parents did before her. But the bright, clean future they're building comes under threat when Destry discovers a city full of people that shouldn’t exist, hidden inside a massive volcano. As she uncovers more about their past, Destry begins to question the mission she's devoted her life to, and must make a choice that will reverberate through Sask-E's future for generations to come.

It's the dawn of a new era - and we're ready to colonize Mars. But the company that's been contracted to construct a new Mars base has made promises they can't fulfill and is desperate enough to cut corners. The first thing to go is the automation...the next thing they'll have to deal with is the eight astronauts they'll send to Mars, when there aren't supposed to be any at all. Frank - father, architect, murderer - is recruited for the mission to Mars with the promise of a better life, along with seven of his most notorious fellow inmates.

Behind the Throne begins K. B. Wagers's action-packed science fiction adventure, with a heroine as rebellious as Han Solo, as savvy as Leia, and as skilled as Rey. Hail Bristol has made a name for herself as one of the most fearsome gunrunners in the galaxy. But she can't escape her past forever: Twenty years ago, she was a runaway princess of the Indranan Empire. Now, her mother's people have finally come to bring her home.

Five years after the destruction of Rydon (the Ranger home world), there is not much in Known-Space that is just. Ranger Kyle Marcus Knight is determined to make the Universe safe and restore justice, even if he must do it alone. (Rangers are extremely arrogant).

A single Galanticcev Empire scout vessel is on a routine mission to map and chart the outer spirals of the Milky Way Galaxy. The pilot detects organized radio traffic on the third planet from the system's star. The actions of the scout vessel's pilot will change the course of galactic history forever.

Count Sessine is about to die for the very last time . . . Chief Scientist Gad­fium is about to receive the mysterious message she has been awaiting from the Plain of Sliding Stones . . . Bascule the Teller, in search of an ant, is about to enter the chaos of the crypt . . . This is the time of the encroachment and everything is about to change. Although the dimming sun still shines on the vast, towering walls of Serehfa Fastness, the end is close at hand.

When Simon and Katherine Hawke stumble upon an alien shuttle that has landed on Earth, it will not only change the course of their lives but also 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.

A dead man's quest is never over. Zane Lucas inherits more than his wildest dreams from a man he's never met. The same week, a mysterious cluster of drones appears before him during a random border patrol. Who sent them in the first place? Earth's alliance with the Gral is on the brink of collapse. The forty-three colonies are under duress, and an unknown entity is coming for them.

When a running battle brings the Fafnir home to Earth, it ends with the death of a trusted friend—and a new focus on what comes next for Van and his crew. The Guild is rotten. It must be changed. It must be healed. But to do that, Van will have to marshal resources on a scale he's never considered, and that means calling in favors from friends. With the Schegith fleet in training, and the Conoku itching to get back into the fight, Van has a clear plan for what he has to do—which is the one thing he doesn't want to do.

After 35 years of living on the Moon, cranky old oxygen farmer Millennium Harrison has stumbled onto a hidden facility in the shadows of the Slayton Ridge Exclusion Zone with a radiation leak and a deadly secret. Mil's discovery leads to the death of a young astronaut, sabotage, murder, and cover-ups that may go all the way to the Chief Administrator of the space agency. Unfortunately, she happens to be Mil's estranged daughter, busy trying to secure her own legacy—the first international mission to Mars.