Did some cryptic patron race begin the job long ago, then abandon us? Or did we leap all by ourselves? That question burns, yet a greater mystery looms ahead, in the furnace of a star. Under the caverns of Mercury, Expedition Sundiver prepares for the most momentous voyage in our history – into the boiling inferno of the sun, seeking our destiny in the cosmic order of life.

    Here in one monumental volume are all 21 of the stories, novellas and novels making up Heinlein's famous Future History—the rich, imaginative architecture of Man's destiny that many consider his greatest and most prophetic work.Contents:* Introduction - Damon Knight* Life-Line* The Roads Must Roll* Blowups Happen* The Man Who Sold the Moon* Delilah and the Space-Rigger* Space Jockey* Requiem* The Long Watch* Gentleman, Be Seated* The Black Pits of Luna* "It's Great to Be Back!"* "—We Also Walk Dogs"* Searchlight* Ordeal in Space* The Green Hills of Earth* Logic of Empire* The Menace from Earth* "If This Goes On—"* Coventry* Misfit* Methuselah's Children

    The story was called "Nightfall", and many years later it has long been recognized as a classic, its author a legend. Now, the Gran Master of Science Fiction teams with Robert Silverberg, one of the field's top award-winning authors, to explore and expand an apocalyptic tale that is more spellbinding today than ever before -- Nightfall: The Novel.Imagine living on a planet with six suns that never experiences Darkness. Imagine never having seen the Stars. Then, one by one the suns start to set, gradually leading into Darkness for the first time ever. Kalgash is a world on the edge of chaos, torn between the madness of religious fanaticism and the unyielding rationalism of scientists. Lurking beneath it all is a collective, instinctual fear of the Darkness. For Kalgash knows only the perpetual light of day; to its inhabitants, a gathering twilight portends unspeakable horror. And only a handful of people on the planet are prepared to face the truth, their six suns are setting all at once for the first time in over two thousand years, signaling the end of civilization as it explodes in the awesome splendor of Nightfall.Encompassing the psychology of disaster, the tenacity of the human spirit, and, ultimately, the regenerative power of hope, Nightfall is a tale rich in character and suspense that only the unique collaboration of Isaac Asimov and Robert Silverberg could create.

    . .[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".

    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.

    Named after the migrant workers of America's Dust Bowl, these novels convey Blish's "history of the future," a brilliant and bleak look at a world where cities roam the Galaxy looking for work and a sustainable way of life.In the first novel, They Shall Have Stars, man has thoroughly explored the Solar System, yet the dream of going even further seems to have died in all but one man. His battle to realize his dream results in two momentous discoveries anti-gravity and the secret of immortality. In A Life for the Stars, it is centuries later and anti-gravity generations have enabled whole cities to lift off the surface of the earth to become galactic wanderers. In Earthman, Come Home, the nomadic cities revert to barbarism and marauding rogue cities begin to pose a threat to all civilized worlds. In the final novel, The Triumph of Time, history repeats itself as the cities once again journey back in to space making a terrifying discovery which could destroy the entire Universe. A serious and haunting vision of our world and its limits, Cities in Flight marks the return to print of one of science fiction's most inimitable writers.A Selection of the Science Fiction Book Club

    It was a 1961 Hugo Award nominee, losing to Walter M. Miller's A Canticle for Leibowitz. A novella-length version of the story was included in the anthology The Science Fiction Hall of Fame, Volume 2, edited by Ben Bova.Before 1969, every science fiction writer wrote his or her own version of the first Moon landing. Few carry the horror of Budrys' unsettling story.During all recorded history, the Moon has hovered above our heads, a timeless symbol for lovers' ecstasy. Goddesses & Gibson Girls have tripped the light fantastic of her beams while sonneteers & scientists have scanned her changing phases. Now humans had actually reached the Moon, & on it the explorers found a structure, a formation so terrible & incomprehensible that it couldn't even be described in human terms. It was a thing that devoured people; that killed them again & again in torturous, unfathomable ways.Earthbound are the only two men who could probe the thing: Al Barker, a reckless thrill-seeker, whose loving mistress was death, & Dr. Edward Hawks, a scientific murderer, whose greatest mission was rebirth.

    Now humans must confront this deadly expansion. Tchicaya, aboard a starship trawling the border of the vacuum, has allied himself with the Yielders-- those determined to study the vacuum while allowing it to grow unchecked. But when his fiery first love, Mariama, reenters his life on the side of the Preservationists-- those working to halt and destroy the vacuum-- Tchicaya finds himself struggling with an inner turmoil he has known since childhood.However, in the center of the vacuum, something is developing that neither Tchicaya and the Yielders nor Mariama and the Preservationists could ever have imagined possible: life.

    based on some real, honest, practical ethical thinking. It is an idea book.' - Groff Conklin in Galaxy Science FictionAsher Sutton has been lost in deepest space for twenty years. Suddenly arrives a warning from the future, that he will return- and that he must be killed. He is destined to write a book whose message may lead to the death of millions in centuries to come. For this reason Sutton is hounded by the sinister warring factions of the future who wish to influence or prevent the writing of this book he has not yet begun to write.Yet already a copy has been found in the burnt-out wreckage of a space-craft on Aldebaran XII.

    Once he was outbound, where the Society that ruled Earth could not reach him, he headed his starship toward the galactic core, where the unimaginable energies of the Universe wrenched the fabric of time and space and promised final escape from his captors.Then he returned to an Earth eons older than the one he'd left...a planet that had had 3,000,000 years to develop perils he had never dreamed of -- perils that became nightmares that he had to escape...somehow!

    The saga of the Space Beagle, mankind's first effort to reach another galaxy. And what strange life-forms are encountered!

    But Worlorn isn’t the world Dirk imagined, and Gwen Delvano is no longer the woman he once knew. She is bound to another man, and to a dying planet that is trapped in twilight. Gwen needs Dirk’s protection, and he will do anything to keep her safe, even if it means challenging the barbaric man who has claimed her. But an impenetrable veil of secrecy surrounds them all, and it’s becoming impossible for Dirk to distinguish between his allies and his enemies. In this dangerous triangle, one is hurtling toward escape, another toward revenge, and the last toward a brutal, untimely demise.

    By his death in 1986, Herbert had completed six novels in the series, but much of his vision remained unwritten. Now, working from his father's recently discovered files, Brian Herbert and bestselling novelist Kevin J. Anderson collaborate on a new novel, the prelude to Dune—where we step onto the planet Arrakis…decades before Dune's hero, Paul Muad'Dib Atreides, walks its sands.Here is the rich and complex world that Frank Herbert created, in the time leading up to the momentous events of Dune. As Emperor Elrood's son plots a subtle regicide, young Leto Atreides leaves for a year's education on the mechanized world of Ix; a planetologist named Pardot Kynes seeks the secrets of Arrakis; and the eight-year-old slave Duncan Idaho is hunted by his cruel masters in a terrifying game from which he vows escape and vengeance. But none can envision the fate in store form them; one that will make them renegades—and shapers of history.

    Aldiss tells the tale of mankind’s future over the course of forty million years. Each of these nine connected short stories highlights a different millennia in which man has adapted to new environments and hardships.

    Ordered to destroy the comet, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal...2034: Then a reply is heard. Searching for the source of this signal that comes from outside the solar system, Nigel discovers the existence of a sentient ship. When the new vessel begins to communicate directly with him, the astronaut learns of the horrors that await humanity. For the ship was created by an alien race that has spent billions and billions of years searching for intelligent life...to annihilate it.In the Ocean of Night is a 1977 hard science fiction novel by Gregory Benford. It is the first novel in his Galactic Center Saga. It was nominated for the Nebula Award for Best Novel in 1977. It was first published as a novelette in the May/June 1972 edition of Worlds of If Science Fiction.