It's why she's dedicated her life to creating a technology that will let us preserve our most precious memories. If she succeeds, anyone will be able to re-experience a first kiss, the birth of a child, the final moment with a dying parent.As Barry searches for the truth, he comes face to face with an opponent more terrifying than any disease—a force that attacks not just our minds, but the very fabric of the past. And as its effects begin to unmake the world as we know it, only he and Helena, working together, will stand a chance at defeating it.But how can they make a stand when reality itself is shifting and crumbling all around them?At once a relentless pageturner and an intricate science-fiction puzzlebox about time, identity, and memory, Recursion is a thriller as only Blake Crouch could imagine it—and his most ambitious, mind-boggling, irresistible work to date.

    Le Guin is one of the greatest science fiction writers and many times the winner of the Hugo and Nebula Awards. Her career as a novelist was launched by the three novels contained in Worlds Of Exile And Illusion. These novels, Rocannon's World, Planet Of Exile, and City Of Illusions, are set in the same universe as Le Guin's ground-breaking classic, The Left Hand Of Darkness.Tor is pleased to return these previously unavailable works to print in this attractive new edition.

    But hours after his arrival he witnesses a murder and is forced into hiding.It is also the first visit for celebrity travel reporter Ta Shu. He has contacts and influence, but he too will find that the moon can be a perilous place for any traveler.Finally, there is Chan Qi. She is the daughter of the Minister of Finance, and without doubt a person of interest to those in power. She is on the moon for reasons of her own, but when she attempts to return to China, in secret, the events that unfold will change everything - on the moon, and on Earth.

    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.

    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?"

    It all depended on the survival of the last of the entities known as Calebians.But the Caleban was dying - subjected to systematic torture by the richest, most wicked woman in the Galaxy. Unless she could be stopped, the end was only a few days away, or hours - or even minutes!

    The animals seem intelligent enough, and Red recruits Slim to help him train the odd creatures to do circus tricks. But the boys are about to discover their playthings aren’t exactly animals—and they’ve allowed themselves to be caught for a reason . . . Youth is a riveting tale from the author of countless classics, including I, Robot and the Foundation Trilogy, which won the Hugo Award for Best All-Time Series.

    But the truth is, it isn't much of a home. When things get so bad that Davy decides to run away, his big question is, Where? And how will he live?The magical answer: anywhere Davy wants!Davy discovers he has the power to "jump" from one place to another. Not just a few feet. But hundreds, even thousands of miles! And as Davy explores his new power he learns that the world is literally his for the taking. But there are consequences too, as Davy will learn.

    He finds himself on a collision course that results in a desperate romance, and a journey into the ecstasy and dread that mirror each other at the heart of the postmodern experience.

    The age of star formation is long past. Yet there is life here, feeding off the energies of the stellar remnants, and there is mind, a tremendous galaxy-spanning intelligence each of whose thoughts lasts a hundred thousand years. And this mind cradles memories of a long-gone age when a more compact universe was full of light... The 27th century: Proxima Centauri, an undistinguished red dwarf star, is the nearest star to our sun. How would it be to live on such a world?

    One that looks human and exemplifies the ideal world he comes from, a world free from human nature's greed and cruelty. That creature would be "prot", as he calls himself, the newest patient at the Manhattan Psychiatric Institute.Prot seems to know more than he should about faster-than-the-speed-of-light-travel. And besides drawing constellations as viewed from K-PAX, the name of his home planet, "prot" can describe its orbit around double suns in unpublished detail. Who is "prot" and where did he really come from? Why does he have the ability to cure severe mental cases? And to disappear at will? And to charm everyone he comes into contact with?Bizarre delusion or reality? Listen in as a psychiatrist who specializes in delusional behavior documents his sessions with the man from K-PAX.(P)2004 Brilliance Audio, Inc.

    Tom, a contemporary historian, and his theoretical physicist girlfriend Sharon, become interested. Tom indeed becomes obsessed. By all logic, the town should have survived, but it didn't and that violates everything Tom knows about history. What's was special about Eifelheim that it utterly disappeared more than 600 years ago? Father Dietrich is the village priest of Oberhochwald, the village that will soon gain the name of Teufelheim, in later years corrupted to Eifelheim, in the year 1348, when the Black Death is gathering strength across Europe but is still not nearby. Dietrich is an educated man, knows science and philosophy, and to his astonishment becomes the first contact between humanity and an alien race from a distant star when their interstellar ship crashes in the nearby forest. It is a time of wonders, in the shadow of the plague.Tom and Sharon, and Father Dietrich, have a strange and intertwined destiny of tragedy and triumph in this brilliant SF novel by the winner of the Robert A. Heinlein Award.

    A daring bank robbery has taken place at Hayek Associates -- a dot-com start-up company that's just floated onto the London stock exchange. But this crime may be a bit beyond Smith's expertise.The prime suspects are a band of marauding orcs with a dragon in tow for fire support. The bank is located within the virtual land of Avalon Four, and the robbery was supposed to be impossible. When word gets out, Hayek Associates and all its virtual "economies" are going to crash hard.For Smith, the investigation seems pointless. But the deeper she digs, the bigger the case gets. There are powerful players -- both real and pixilated -- who are watching her every move. Because there is far more at stake than just some game-head's fantasy financial security . . .

    And at the feet of its wise Masters, Lanoree Brock learned the mysteries and methods of the Force—and found her calling as one of its most powerful disciples. But as strongly as the Force flowed within Lanoree and her parents, it remained absent in her brother, who grew to despise and shun the Je’daii, and whose training in its ancient ways ended in tragedy. Now, from her solitary life as a Ranger keeping order across the galaxy, Lanoree has been summoned by the Je’daii Council on a matter of utmost urgency. The leader of a fanatical cult, obsessed with traveling beyond the reaches of known space, is bent on opening a cosmic gateway using dreaded dark matter as the key—risking a cataclysmic reaction that will consume the entire star system. But more shocking to Lanoree than even the prospect of total galactic annihilation, is the decision of her Je’daii Masters to task her with the mission of preventing it. Until a staggering revelation makes clear why she was chosen: The brilliant, dangerous madman she must track down and stop at any cost is the brother whose death she has long grieved—and whose life she must now fear.

    Humanity’s greatest dreams have become reality. Along with dozens of other sentient races, the people of Earth have formed the United Federation of Planets—a galactic civilization that governs much of the known universe for the good of all. Over the past two centuries, mankind has tamed its basest instincts, and reached the stars…But suppose it hadn’t happened that way at all? Suppose instead humanity’s darkest impulses, its most savage, animalistic desires had triumphed? Suppose that the empire mankind made out in the stars was one ruled by terror, where only those willing to brutalize their own kind and their neighbors could survive?One hundred years ago, four crewmembers of the U.S.S. Enterprise crossed the dimensional barrier and found just such an empire. A mirror image of their own universe, populated by nightmare duplicates of their shipmates. Barely able to escape with their lives, they returned thankful that the accident that brought them there could not be duplicated. Or so they thought.But now the scientists of that empire have found a doorway into our universe. Thier plan: to destroy from within, to replace one of our starships with one of theirs. Their victims: the crew of the U.S.S. Enterprise NCC 1701-D.