. .[Clark] handles both ideas and characters with deftness and wit; in short, the outstanding living science fiction writers is romping".-- "Chicago Sun-Times". In the year 2110 technology has cured most of our worries. But even as humankind enters a new golden age, an amateur astronomer points his telescope at just the right corner of the night sky and sees disaster hurtling toward Earth: a chunk of rock that could annihilate civilization. While a few fanatics welcome the apocalyptic destruction as a sign from God, the greatest scientific minds of Earth desperately search for a way to avoid the inevitable. On board the starship Goliath Captain Robert Singh and his crew must race against time to redirect the meteor form its deadly collision course. Suddenly they find themselves on the most important mission in human history--a mission whose success may require the ultimate sacrifice."Clarke is still at the top of his game".-- "The Detroit News"."As good as any anything he's written. . .for a hard-science-fiction treat, I suspect "The Hammer Of God" won't be topped".-- "Star Tribune", Minneapolis."Classic Clarke. . .a good story".-- "The Denver Post".

    But which one broke the timeline?In 2136 Madison Grace uncovers a key to the origins of CHRONOS, a time-travel agency with ties to her family’s mysterious past. Just as she is starting to jump through history, she returns to her timeline to find millions of lives erased—and only the people inside her house realize anything has changed.In 2304 CHRONOS historian Tyson Reyes is assigned to observe the crucial events that played out in America’s civil rights movement. But a massive time shift occurs while he’s in 1965, and suddenly the history he sees isn’t the history he knows.As Madi’s and Tyson’s journeys collide, they must prevent the past from being erased forever. But strange forces are at work. Are Madi and Tyson in control or merely pawns in someone else’s game?

    The two novels combined in this omnibus (Caldé of the Long Sun and Exodus from the Long Sun) comprise the second half of Gene Wolfe's long novel, The Book of the Long Sun.

    An odyssey of discovery, from a shattered society through the solar system with a handful of men and women who ride a cold, hurtling ball of ice to the shaky promise of a distant, unknowable future.

    It pushed Earth through the greatest technological evolution ever known, while warning that time travel is forbidden, and transgressors will be eliminated.Distant descendants of this ultra high-tech Earth live in parochial simplicity on the far-flung worlds of the New Republic. Their way of life is threatened by the arrival of an alien information plague known as the Festival. As forbidden technologies are literally dropped from the sky, suppressed political factions descend into revolutionary turmoil.A battle fleet is sent from Earth to destroy the Festival, but Spaceship engineer Martin Springfield and U.N. diplomat Rachel Mansour have been assigned rather different tasks. Their orders are to diffuse the crisis or to sabotage the New Republic's war-fleet, whatever the cost, before the Eschaton takes hostile action on a galactic scale.

    NASA, NATO, and the UN sent explorers to the asteroid's surface...and discovered marvels and mysteries to drive researchers mad.For the Stone was from space--but perhaps not our space; it came from the future-but perhaps not our future; and within the hollowed asteroid was Thistledown. The remains of a vanished civilization. A human--English, Russian, and Chinese-speaking--civilization. Seven vast chambers containing forests, lakes, rivers, hanging cities...And museums describing the Death; the catastrophic war that was about to occur; the horror and the long winter that would follow. But while scientists and politicians bickered about how to use the information to stop the Death, the Stone yielded a secret that made even Earth's survival pale into insignificance.

    Now, as faster-than-light drive opens the stars to exploration, humans are finding other relics of the race they call the Monument-Makers - each different, and each heartbreakingly beautiful. But except for a set of footprints on Jupiter's moon Iapetus, there is no trace of the enigmatic race that has left them behind. Then a team of scientists working on a dead world discover an ominous new image of the Monument-Makers. Somehow it all fits with other lost civilizations, and possibly with Earth's own future. And distant past. But Earth itself is on the brink of ecological disaster - there is no time to search for answers. Even to a question that may hold the key to survival for the entire human race...

    Butler established themes of identity and transformation that echo throughout her distinguished career. Now collected for the first time in one volume, these four novels take readers on a wondrous odyssey from a mythic, prim/ordial past to a fantastic far future.In ancient Africa, a female demigod of nurture and fertility mates with a powerful, destructive male entity. Together they birth a race of madmen, visionaries, and psychics who cling to civilization's margins and back alleys for millenia, coming together in a telepathic Pattern just as Earth is consumed by a cosmic invasion. Now these new beings--no longer mearly human--will battle to rule the transfigured world.

    Past, present, and future Brazil, with all its color, passion, and shifting realities, come together in a novel that is part SF, part history, part mystery, and entirely enthralling.Three separate stories follow three main characters:--Edson is a self-made talent impressario one step up from the slums in a near future São Paulo of astonishing riches and poverty. A chance encounter draws Edson into the dangerous world of illegal quantum computing, but where can you run in a total surveillance society where every move, face, and centavo is constantly tracked?--Marcelina is an ambitious Rio TV producer looking for that big reality TV hit to make her name. When her hot idea leads her on the track of a disgraced World Cup soccer goalkeeper, she becomes enmeshed in an ancient conspiracy that threatens not just her life, but her very soul. --Father Luis is a Jesuit missionary sent into the maelstrom of 18th-century Brazil to locate and punish a rogue priest who has strayed beyond the articles of his faith and set up a vast empire in the hinterland. In the company of a French geographer and spy, what he finds in the backwaters of the Amazon tries both his faith and the nature of reality itself to the breaking point.Three characters, three stories, three Brazils, all linked together across time, space, and reality in a hugely ambitious story that will challenge the way you think about everything.

    Around the same time, an Indian elephant was deliberately put to death by electricity in Coney Island.These are the facts.Now these two tragedies are intertwined in a dark alternate history of rage, radioactivity, and injustice crying out to be righted. Prepare yourself for a wrenching journey that crosses eras, chronicling histories of cruelty both grand and petty in search of meaning and justice.

    But now, someone is eliminating the Gentian line. Campion and Purslane—two shatterlings who have fallen in love and shared forbidden experiences—must determine exactly who, or what, their enemy is, before they are wiped out of existence.

    "First Flight" is a finalist for the 2010 Locus Award.The winner of the 2008 John W. Campbell Award for Best New Writer, Mary Robinette Kowal is the author of short fiction published in Strange Horizons, Cosmos, and Asimov's. Her first novel, Shades of Milk and Honey, will be published by Tor in 2010.

    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.

    The two men are sucked into the perilous depths of this moral and ethical vacuum when Lord Palmerston commissions Burton to investigate assaults on young women committed by a weird apparition known as Spring Heeled Jack, and to find out why werewolves are terrorizing London's East End.Their investigations lead them to one of the defining events of the age, and the terrifying possibility that the world they inhabit shouldn't exist at all!

    But idle sometime-musician George has little talent for clockwork. And when a shadowy figure tries to steal an old device from the premises, George finds himself embroiled in a mystery of time travel, music and sexual intrigue. A genuine lost classic, a steampunk original whose time has come.