The Galactic Empire has prospered for 12,000 years. Nobody suspects that the heart of the thriving Empire is rotten, until psychohistorian Hari Seldon uses his new science to foresee its terrible fate. Exiled to the desolate planet Terminus, Seldon establishes a colony of the greatest minds in the Empire, a Foundation which holds the key to changing the fate of the galaxy.

What happens when a robot begins to question its creators? What would be the consequences of creating a robot with a sense of humour? Or the ability to lie? How do we truly tell the difference between man and machine? In I, Robot, Asimov sets out the Three Laws of Robotics - designed to protect humans from their robotic creations - and pushes them to their limits and beyond.

A robopsychologist must outwit a machine determined to stay hidden in "Little Lost Robot"; a woman’s talent for "Light Verse" overshadows her true accomplishments with her robot servants; "The Last Question" presented to computer after computer over a hundred billion years may remain forever unanswered … and seventeen more future visions from the grand master of science fiction.

The opening episode begins on Trantor, capital of the Galactic Empire, with the meeting of Seldon and Dornick, their trial, and their exile to Terminus. The action then jumps forward 50 years, to the first Seldon Crisis, where the repercussions of the recent independence of the Four Kingdoms of the Periphery are being felt on Terminus, and are handled by the first Mayor, Salvor Hardin....

This book contains 26 of the greatest science fiction stories ever written. They represent the considered verdict of the Science Fiction Writers of America, those who have shaped the genre and who know, more intimately than anyone else, what the criteria for excellence in the field should be. The authors chosen for the Science Fiction Hall Fame are the men and women who have shaped the body and heart of modern science fiction; their brilliantly imaginative creations continue to inspire and astound new generations of writers and fans.

When the silent spacecraft arrived and took the light from the world, no one knew what to expect. When the Overlords finally showed themselves it was a shock but one that humankind could now cope with, and an era of peace, prosperity and endless leisure began. But the children of this utopia dream strange dreams of distant suns and alien planets, and soon they will be ready to join the Overmind...and, in a grand and thrilling metaphysical climax, leave Earth behind.

Men had built cities before, but never such a city as Diaspar; for millennia its protective dome shut out the creeping decay and danger of the world outside. Once, it ruled the stars. But then, as legend had it, the Invaders came, driving humanity into this last refuge. It takes one man, a Unique, to smash the legend and discover the true nature of the Invaders.

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence.

On the world called Hyperion, beyond the law of the Hegemony of Man, there waits the creature called the Shrike. There are those who worship it. There are those who fear it. And there are those who have vowed to destroy it. In the Valley of the Time Tombs, where huge, brooding structures move backward through time, the Shrike waits for them all.

Shortlisted for the Audiobook Download of the Year, 2007.
Here is the novel that will be forever considered a triumph of the imagination. Set on the desert planet Arrakis, Dune is the story of the boy Paul Atreides, who would become the mysterious man known as Maud'dib. He would avenge the traitorous plot against his noble family and would bring to fruition humankind's most ancient and unattainable dream.

This collection features three classic, dramatized Isaac Asimov stories: "Pebble in the Sky", "Nightfall", and "Hostess".

Epic, entertaining, blasphemous, this is the most influential and controversial of Science Fiction novels. Stranger in a Strange Land caused uproar when it was first published as it savaged conventional religious, sexual, and social ideals. Many years in the future, Valentine Michael Smith's upbringing is exceptional. Orphan child to two astronauts killed in space, he is raised on Mars. Twenty-five years later he is "rescued" and brought back to Earth. The initial enthusiasm of the administration in Smith's safe return is soon dampened by the realisation that they cannot control him.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

Bradbury's Mars is a place of hope, dreams, and metaphor - of crystal pillars and fossil seas - where a fine dust settles on the great, empty cities of a silently destroyed civilization. It is here the invaders have come to despoil and commercialize, to grow and to learn - first a trickle, then a torrent, rushing from a world with no future toward a promise of tomorrow. The Earthman conquers Mars...and then is conquered by it, lulled by dangerous lies of comfort and familiarity, and enchanted by the lingering glamour of an ancient, mysterious native race.

This volume is the definitive collection of the best science fiction novellas published between 1929 and 1964, containing 11 great classics. No anthology better captures the birth of science fiction as a literary field. Published in 1973 to honor stories that had appeared before the institution of the Nebula Awards, The Science Fiction Hall of Fame introduced tens of thousands to the wonders of science fiction and was a favorite of libraries across the country.