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.

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.

Set in 2276, Imperial Earth is the fascinating odyssey of Duncan Makenzie, travelling from Titan, a moon of Saturn, to Earth, as a diplomatic guest of the United States. Duncan’s initial challenge is to prepare for the 500-million-mile trip to Earth. Once there, he is caught up in a sweep of new experiences - including the social whirl of Washington, a strange visit to a carefully preserved ancient city, and a search for the woman he loves.

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.

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.

A forth collection of gripping short stories from the most acclaimed Science Fiction author of any generation. Arthur C Clarke is without question the world's best-known science fiction writer, enjoying a career of unequalled success. Clarke has always been celebrated for his prophetic vision, which is fully on display in this audiobook, but there are also many stories which show his imagination in full flight.

In the middle of climate-change crises, there is no mood for space-exploration stunts - but Reid Malenfant, elderly, once a shuttle pilot and frustrated would-be asteroid miner, decides to go take a look anyway. Nothing more is heard of him. But his ex-wife, Emma Stoney, sets up a trust fund to search for him the next time the Kernel returns...By 2570 Earth is transformed. A mere billion people are supported by advanced technology on a world that is almost indistinguishable from the natural, with recovered forests, oceans, ice caps. 

It is the 21st century, and on Mars a dedicated group of pioneers - among them some of Earth's finest brains - struggle to change the face of the planet. Science fiction writer Martin Gibson finally gets a chance to visit the research colony on the Red Planet. It's a dream come true - until he discovers the difficulties and perils of survival on another world...and the very real terror it holds.

It has been 40 years since the publication of this classic science-fiction novel that changed the way we look at the stars and ourselves. From the savannas of Africa at the dawn of mankind to the rings of Saturn as man adventures to the outer rim of our solar system, 2001: A Space Odyssey is a journey unlike any other.

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.

The sun is bloated, diseased, dying perhaps. Beneath its baneful light, Shadrapar, last of all cities, harbours fewer than 100,000 human souls. Built on the ruins of countless civilisations, Shadrapar is a museum, an asylum, a prison on a world that is ever more alien to humanity. Bearing witness to the desperate struggle for existence between life old and new is Stefan Advani: rebel, outlaw, survivor. This is his testament, an account of the journey that took him into the blazing desolation of the western deserts and into the labyrinths and caverns of the underworld. 

Perhaps it wasn't from our time, perhaps it wasn't even from our universe, but the arrival of the 300-kilometer long stone was the answer to humanity's desperate plea to end the threat of nuclear war. Inside the deep recesses of the stone lies Thistledown: the remnants of a human society, versed in English, Russian and Chinese. The artifacts of this familiar people foretell a great Death caused by the ravages of war, but the government and scientists are unable to decide how to use this knowledge.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel Ringworld is the winner of the 1970 Hugo Award for Best Novel.

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.

It has taken a long time, but humankind has won its battle against the sea. Now Professionals like Walter Franklin patrol the infinite savannahs of the oceans, harvesting from the plankton prairies. But like that other great frontier, space, the sea has not yet yielded up all its secrets. And men like Franklin will never rest until its every fathomless mystery has been challenged....