In the 22nd century visionary scientist Vannevar Morgan conceives the most grandiose engineering project of all time, and one which will revolutionise the future of humankind in space: a Space Elevator, 36,000 kilometres high, anchored to an equatorial island in the Indian Ocean.

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.

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.

Time is running out for the passengers and crew of the tourist cruiser Selene, incarcerated in a sea of choking lunar dust. On the surface her rescuers find their resources stretched to the limit by the mercilessly unpredictable conditions of a totally alien environment.

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.

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.

For eons, Earth has been under observation by the Firstborn, beings almost as old as the universe itself. The Firstborn are unknown to humankind - until they act. In an instant, Earth is carved up and reassembled like a huge jigsaw puzzle. Suddenly the planet and every living thing on it no longer exist in a single timeline.

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.

The fifth collection of gripping short stories from the most acclaimed Science Fiction author of any generation.

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.

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.

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.

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.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.