Rails must be freshly laid ahead of the city & carefully removed in its wake. Rivers & mountains present nearly insurmountable challenges to the ingenuity of the city's engineers. But if the city does not move, it will fall farther & farther behind the optimum & into the crushing gravitational field that has transformed life on Earth. The only alternative to progress is death. The secret directorate that governs the city makes sure that its inhabitants know nothing of this. Raised in common in creches, nurtured on synthetic food, prevented above all from venturing outside the closed circuit of the city, they're carefully sheltered from the dire necessities that have come to define human existence. Yet the city is in crisis. People are growing restive. The population is dwindling. The rulers know that, for all their efforts, slowly but surely the city is slipping ever farther behind the optimum. Helward Mann is a member of the city's elite. Better than anyone, he knows how tenuous is the city's continued existence. But the world he's about to discover is infinitely stranger than the strange world he believes he knows so well.

    Charles Babbage perfects his Analytical Engine and the computer age arrives a century ahead of its time. And three extraordinary characters race toward a rendezvous with history - and the future: Sybil Gerard - dishonored woman and daughter of a Luddite agitator; Edward "Leviathan" Mallory - explorer and paleontologist; Laurence Oliphant - diplomat and spy. Their adventure begins with the discovery of a box of punched Engine cards of unknown origin and purpose. Cards someone wants badly enough to kill for...Part detective story, part historical thriller, The Difference Engine is the first collaborative novel by two of the most brilliant and controversial science fiction authors of our time. Provocative, compelling, intensely imagined, it is a startling extension of Gibson's and Sterling's unique visions - in a new and totally unexpected direction!

    Trapped in 1877, a historian writes an account of an alternative history of America in which the South won the Civil War. Living in this alternative timeline, he was determined to change events at Gettysburg.When he's offered the chance to return to that fateful turning point his actions change history as he knows it, leaving him in an all too familiar past.

    Famine. Disease. Religous war laying waste the cities. Only the aristocrats remained relatively unscathed; for the peasants, death was a mercy. 2000 Things are going OK in Grantville, West Virginia, and everybody attending the wedding of Mike Stearn's sister (including the entire local chapter of the United Mine Workers of America, which Mike leads) is having a good time. THEN, EVERYTHING CHANGED.... When the dust settles, Mike leads a group of armed miners to find out what happened and finds the road into town is cut, as with a sword. On the other side, a scene out of Hell: a man nailed to a farmhouse door, his wife and daughter attacked by men in steel vests. Faced with this, Mike and his friends don't have to ask who to shoot. At that moment Freedom and Justice, American style, are introduced to the middle of the Thirty Years' War.

    Slavery is legal once again. The few Jews who still survive hide under assumed names. In San Francisco, the I Ching is as common as the Yellow Pages. All because some twenty years earlier the United States lost a war — and is now occupied by Nazi Germany and Japan.This harrowing, Hugo Award-winning novel is the work that established Philip K. Dick as an innovator in science fiction while breaking the barrier between science fiction and the serious novel of ideas. In it Dick offers a haunting vision of history as a nightmare from which it may just be possible to wake.

    Clarke of Last and First Men. This masterpiece of science fiction by British philosopher and writer Olaf Stapledon (1886–1950) is an imaginative, ambitious history of humanity's future that spans billions of years. Together with its follow-up, Star Maker, it is regarded as the standard by which all earlier and later future histories are measured.The protagonist of this compelling novel is humanity itself, stripped down to sheer intelligence. It evolves through the ages: rising to pinnacles of civilization, teetering on the brink of extinction, surviving onslaughts from other planets and a decline in solar energy, and constantly developing new forms, new senses, and new intellectual abilities. From the present to five billion years into the future, this romance of humanity abounds in profound and imaginative thought.

    Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.But at what cost? With the advent of peace, man ceases to strive for creative greatness, and a malaise settles over the human race. To those who resist, it becomes evident that the Overlords have an agenda of their own. As civilization approaches the crossroads, will the Overlords spell the end for humankind . . . or the beginning?

    History teaches us that a third of Europe's population was destroyed. But what if? What if the plague killed 99 percent of the population instead? How would the world have changed? This is a look at the history that could have been: a history that stretches across centuries, a history that sees dynasties and nations rise and crumble, a history that spans horrible famine and magnificent innovation. These are the years of rice and salt.

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

    Francis, realising the implications for the world of an ever-youthful, wealthy elite, wants to keep it secret, but Diana sees an opportunity to overturn the male status quo by using the lichen to inspire a feminist revolution.As each scientist wrestles with the implications and practicalities of exploiting the discovery, the world comes ever closer to learning the truth . . . Trouble With Lichen is a scintillating story of the power wielded by science in our lives and asks how much trust should we place in those we appoint to be its guardians?

    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.

    In one of the most powerful and thought-provoking novels of his remarkable career, Orson Scott Card's Pastwatch interweaves a compelling portrait of Christopher Columbus with the story of a future scientist who believes she can alter human history from a tragedy of bloodshed and brutality to a world filled with hope and healing.

    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!

    Stephen the Third, the king of England, has just died, and Mass (Mozart’s second requiem) is about to be sung to lay him to rest. In the choir is our hero, Hubert Anvil, an extremely ordinary ten-year-old boy with a faultless voice. In the audience is a select group of experts whose job is to determine whether that faultless voice should be preserved by performing a certain operation. Art, after all, is worth any sacrifice.How Hubert realizes what lies in store for him and how he deals with the whirlpool of piety, menace, terror, and passion that he soon finds himself in are the subject of a classic piece of counterfactual fiction equal to Philip K. Dick’s The Man in the High Castle.The Alteration won the John W. Campbell Memorial Award for best science-fiction novel in 1976.

    In this nightmare society, air pollution is so bad that gas masks are commonplace. Infant mortality is up, and everyone seems to suffer from some form of ailment.