Usually both.Seventeen-year-old Chan's ancestors left a dying Earth hundreds of years ago, in search of a new home. They never found one.The only life that Chan's ever known is one of violence, of fighting. Of trying to survive.But there might be a way to escape. In order to find it, Chan must head way down into the darkness - a place of buried secrets, long-forgotten lies, and the abandoned bodies of the dead.Seventeen-year-old Chan, fiercely independent and self-sufficient, keeps her head down and lives quietly, careful not to draw attention to herself amidst the violence and disorder. Until the day she makes an extraordinary discovery - a way to return the Australia to Earth. But doing so would bring her to the attention of the fanatics and the murderers who control life aboard the ship, putting her and everyone she loves in terrible danger.And a safe return to Earth is by no means certain.

    The invention of the Hotline -- a constant stream of data from a star in the constellation Ophiuchus -- facilitates survival and enables the development of amazing new technologies. Then, after 400 years, humanity's unknown helpers send a bill for their services...and suddenly everything is threatened once again.The Ophiuchi Hotline was John Varley's first novel, and it received nominations for both the Hugo and Nebula awards; he later won both for his book Persistence of Vision.

    Venus, being almost the same mass as Earth, is chosen over Mars as humanity’s first permanent steppingstone into the universe.Arik Ockley is part of the first generation to be born and raised off-Earth. After a puzzling accident, Arik wakes up to find that his wife is almost three months pregnant. Since the colony’s environmental systems cannot safely support any increases in population, Arik immediately resumes his work on AP, or artificial photosynthesis, in order to save the life of his unborn child. Arik’s new and frantic research uncovers startling truths about the planet, and about the distorted reality the founders of the colony have constructed for Arik’s entire generation. Everything Arik has ever known is called into question, and he must figure out the right path for himself, his wife, and his unborn daughter.

    Planets have shattered and been remade. Amongst the ruins of alien civilizations, building our own from the rubble, humanity still thrives. And there are vast fortunes to be made, if you know where to find them.Captain Rackamore and his crew do. It's their business to find the tiny, enigmatic worlds which have been hidden away, booby-trapped, surrounded by layers of protection—and to crack them open for the ancient relics and barely-remembered technologies inside. But while they ply their risky trade with integrity, not everyone is so scrupulous. Adrana and Fura Ness are the newest members of Rackamore's crew, signed on to save their family from bankruptcy. Only Rackamore has enemies, and there might be more waiting for them in space than adventure and fortune: the fabled and feared Bosa Sennen in particular. Revenger is a science fiction adventure story set in the rubble of our solar system in the dark, distant future—a tale of space pirates, buried treasure, and phantom weapons, of unspeakable hazards and single-minded heroism and of vengeance...

    The sky looms frigid white. The electricity falters. Airplanes everywhere crash to the ground. But the Givens are saved by mysterious strangers, three fearsome and beautiful beings who force a plain silver bracelet onto each sister’s wrist. Within moments, the sky comes down in a crushing sheet of light and everything around them is gone.Shielded from the devastation by their silver adornments, the Givens suddenly find themselves elsewhere, a strange new Earth where restaurants move through the air like flying saucers and the fabric of time is manipulated by common household appliances.Soon Hannah and Amanda are joined by four other survivors from their world—a mordant cartoonist, a shy teenage girl, a brilliant young Australian, and a troubled ex-prodigy. Hunted by enemies they never knew they had and afflicted with temporal abilities they never wanted, the sisters and their companions begin a cross-country journey to find the one man who can save them—before time runs out.

    So the Terran government made a law--no further contact would be allowed with sentient creatures anywhere in the galaxy. Therefore Doona could be colonized only if an official survey established that the planet was both habitable and uninhabited.But Spacedep had made a mistake--Doona was inhabited. Now the colonists' choice was limited. Leave Doona and return to the teeming hell of an overpopulated Terra. Or kill the catlike Hrrubans. Or learn, for the first time in history, how to coexist with an alien race.

    they've landed their Embassy ship on a platform in New York Harbor, and will only speak with the United Nations. They say that their world is so different from Earth, in terms of gravity and atmosphere, that they cannot leave their ship. The population of Earth has erupted in fear and speculation.One day Dr. Marianne Jenner, an obscure scientist working with the human genome, receives an invitation that she cannot refuse. The Secret Service arrives at her college to escort her to New York, for she has been invited, along with the Secretary General of the UN and a few other ambassadors, to visit the alien Embassy.The truth is about to be revealed. Earth s most elite scientists have ten months to prevent a disaster and not everyone is willing to wait."

    It's broken, rusted, falling apart. We've wrecked our planet, and now we have to live with the consequences: a new home that's dirty, overcrowded and inescapable.What's more, there's a madman hiding on the station. He's about to unleash chaos. And when he does, there'll be nowhere left to run.In space, every second counts. Who said nobody could hear you scream?

    The Last Watch, where a handful of soldiers stand between humanity and annihilation.The Divide.It’s the edge of the universe.Now it’s collapsing—and taking everyone and everything with it.The only ones who can stop it are the Sentinels—the recruits, exiles, and court-martialed dregs of the military.At the Divide, Adequin Rake, commanding the Argus, has no resources, no comms—nothing, except for the soldiers that no one wanted.They're humanity's only chance.

    That is, until she finds a potential answer buried deep in the human genome. But before her solution can be tested, her lab is brutally attacked, and Emily is forced to go on the run with two human companions - college student Jason and small-town Sheriff, Mayra.As the sun's death draws near, Emily and her friends must race against time to save humanity. But before long it becomes clear that it's not only the species at stake, but also that which makes us most human.

    His life is dominated by the place and the thriving black market in the alien products. But when he and his friend Kirill go into the Zone together to pick up a “full empty,” something goes wrong. And the news he gets from his girlfriend upon his return makes it inevitable that he’ll keep going back to the Zone, again and again, until he finds the answer to all his problems.First published in 1972, Roadside Picnic is still widely regarded as one of the greatest science fiction novels, despite the fact that it has been out of print in the United States for almost thirty years.

    Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down. But pulling off the impossible is just the start of her problems, as she learns that she's stepped square into a conspiracy for control of Artemis itself—and that now, her only chance at survival lies in a gambit even riskier than the first.

    One woman will transform herself to gain power. And no one will emerge unscathed . . .Thorvald Spear wakes in hospital, where he finds he's been brought back from the dead. What's more, he died in a human vs. alien war which ended a whole century ago. But when he relives his traumatic final moments, he finds the spark to keep on living. That spark is vengeance. Trapped and desperate on a world surrounded by alien Prador forces, Spear had seen a rescue ship arriving. But instead of providing backup, Penny Royal, the AI within the destroyer turned rogue. It annihilated friendly forces in a frenzy of destruction, and, years later, it's still free. Spear vows to track it across worlds and do whatever it takes to bring it down.Isobel Satomi ran a successful crime syndicate. But after competitors attacked, she needed more power. Yet she got more than she bargained for when she negotiated with Penny Royal. She paid it to turn her part-AI herself, but the upgrades hid a horrifying secret. The Dark AI had triggered a transformation in Isobel that would turn her into a monster, rapidly evolving into something far from human.Spear hires Isobel to take him to the Penny Royal AI's last known whereabouts. But he cheats her in the process and he becomes a target for her vengeance. And as she is evolves further into a monstrous predator, rage soon wins over reason. Will Spear finish his hunt, before he becomes the hunted?"

    Haimey and her small crew run afoul of pirates at the outer limits of the Milky Way, and find themselves on the run and in possession of universe-changing information.When authorities prove corrupt, Haimey realizes that she is the only one who can protect her galaxy-spanning civilization from the implications of this ancient technology—and the revolutionaries who want to use it for terror and war. Her quest will take her careening from the event horizon of the supermassive black hole at the galaxy’s core to the infinite, empty spaces at its edge.To save everything that matters, she will need to uncover the secrets of ancient intelligences lost to time—and her own lost secrets, which she will wish had remained hidden from her forever.

    The world has moved on, always watching the skies but content that we know how to defeat the Martian menace. Machinery looted from the abandoned capsules and war-machines has led to technological leaps forward. The Martians are vulnerable to earth germs. The Army is prepared.So when the signs of launches on Mars are seen, there seems little reason to worry. Unless you listen to one man, Walter Jenkins, the narrator of Wells' book. He is sure that the Martians have learned, adapted, understood their defeat.He is right.Thrust into the chaos of a new invasion, a journalist - sister-in-law to Walter Jenkins - must survive, escape and report on the war.The Massacre of Mankind has begun