And suddenly uncertainty and change had come to the placid paradise that was Thalassa.

    So how is it that, in competition with the worst villains the universe has to offer, he's become the proud owner of the last seedship of Earth's legendary Ecological Engineering Corps? Never mind, just be thankful that the most powerful weapon in human space is in good hands-hands which now control cellular material for thousands of outlandish creatures. With his unique equipment, Tuf is set to tackle the problems human settlers have created in colonizing far-flung worlds: hosts of hostile monsters, a population hooked on procreation, a dictator who unleashes plagues to get his own way...and in every case the only thing that stands between the colonists and disaster is Tuf's ingenuity - and his reputation as an honest dealer in a universe of rogues...Tuf Voyaging features interior illustrations by Janet Aulisio. Included in it will be her original eight illustrations, along with 28 newly commissioned ones.

    For according to computer predictions, Mars is humankind's only alternative to extinction. But beneath his monstrous exterior, Torraway still carries a man's capacity for suffering.

    The Stars My Destination is a classic of technological prophecy and timeless narrative enchantment by an acknowledged master of science fiction.

    His mission: save, develop, and protect the group of Pak breeders sent out into space some two and a half million years before...Brennan was a Belter, the product of a fiercely independent, somewhat anarchic society living in, on, and around an outer asteroid belt. The Belters were rebels, one and all, and Brennan was a smuggler. The Belt worlds had been tracking the Pak ship for days -- Brennan figured to meet that ship first...He was never seen again -- at least not by those alive at the time.

    Cavor soon succeeds in his experiments, only to tell a stunned Bedford the invention makes possible one of the oldest dreams of humanity: a journey to the moon. With Bedford motivated by money, and Cavor by the desire for knowledge, the two embark on the expedition. But neither are prepared for what they find - a world of freezing nights, boiling days and sinister alien life, on which they may be trapped forever.

    Cultures collide in real life and virtual reality. The city is literally a weed, its growth left unchecked. Life is cheap, and data is cheaper.When Boris Chong returns to Tel Aviv from Mars, much has changed. Boris’s ex-lover is raising a strangely familiar child who can tap into the datastream of a mind with the touch of a finger. His cousin is infatuated with a robotnik—a damaged cyborg soldier who might as well be begging for parts. His father is terminally-ill with a multigenerational mind-plague. And a hunted data-vampire has followed Boris to where she is forbidden to return.Rising above them is Central Station, the interplanetary hub between all things: the constantly shifting Tel Aviv; a powerful virtual arena, and the space colonies where humanity has gone to escape the ravages of poverty and war. Everything is connected by the Others, powerful alien entities who, through the Conversation—a shifting, flowing stream of consciousness—are just the beginning of irrevocable change.At Central Station, humans and machines continue to adapt, thrive...and even evolve.

    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...

    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.

    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.

    Murdoc Jern, gem trader, finds that possession of the stone has led him to the center of a web of intrigue and murder.With his companion Eet, an inscrutable feline mutant with phenomenal ESP powers, he is hunted through space, coming finally to a long forgotten planet inhabited by apelike "sniffers." There, facing the predatory sniffers, the antagonistic Patrol and the laser-guns of the Thieves' Guild, Murdoc must seek the source of the Zero Stone and bargain for his right to pursue his destiny as a free man.

    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 is the monumental story of a Galactic Empire in decline, and the secret society of scientists who seek to shorten the inevitable Dark Age with the science of psychohistory. Now, with the permission -- and blessing -- of the Asimov estate, the epic saga continues.Fate -- and a cruel Emperor's arbitrary power -- have thrust Hari Seldon into the First Ministership of the Empire against his will. As the story opens, Hari is about to leave his quiet professorship and take on the all but impossible task of administering 25 million inhabited worlds from the all-steel planet of Trantor. With the help of his beautiful bio-engineered "wife" Dors and his alien companion Yugo, Seldon is still developing the science that will transform history, never dreaming that it will ultimately pit him against future history's most awesome threat.

    But Geoffrey's family, the vast Akinya business empire, has other plans. After the death of Eunice, Geoffrey's grandmother, erstwhile space explorer and entrepreneur, something awkward has come to light on the Moon, and Geoffrey is tasked - well, blackmailed, really - to go up there and make sure the family's name stays suitably unblemished. But little does Geoffrey realise - or anyone else in the family, for that matter - what he's about to unravel.Eunice's ashes have already have been scattered in sight of Kilimanjaro. But the secrets she died with are about to come back out into the open, and they could change everything.Or shatter this near-utopia into shards...

    The Peace Authority conquered the world with a weapon that never should have been a weapon--the "bobble," a spherical force-field impenetrable by any force known to mankind. Encasing governmental installations and military bases in bobbles, the Authority becomes virtually omnipotent. But they've never caught Paul Hoehler, the maverick who invented the technology, and who has been working quietly for decades to develop a way to defeat the Authority. With the help of an underground network of determined, independent scientists and a teenager who may be the apprentice genius he's needed for so long, he will shake the world, in the fast-paced hard-science thriller that garnered Vinge the first of his four Hugo nominations for best novel.