Adrian Tchaikovksy's critically acclaimed stand-alone novel Children of Time is the epic story of humanity's battle for survival on a terraformed planet. Who will inherit this new Earth? The last remnants of the human race left a dying Earth, desperate to find a new home among the stars. Following in the footsteps of their ancestors, they discover the greatest treasure of the past age - a world terraformed and prepared for human life. But all is not right in this new Eden.

"Triplanetary" is a science fiction novel by E. E. Smith. The novel covers several episodes in an eons-long human breeding project by the super-intelligences of the Arisians. This alien race is breeding two genetic lines to become the ultimate weapon in Arisia's cosmic war with their archenemies, the Eddorians. The story cover the Kinnison genetic line during the fall of Atlantis, Nero's reign in Rome, World Wars One, Two, and Three.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

Former naval doctor Peter Crane is summoned to a remote oil platform in the North Atlantic to help diagnose a bizarre medical condition. But when he arrives, Crane learns that the real trouble lies far below on "Deep Storm", a stunningly advanced science-research facility built two miles beneath the surface on the ocean floor. The top-secret structure has been designed for one purpose: to excavate a recently discovered undersea site that may hold the answers to an ancient mystery.

In the year AD 3000, Earth is a dystopian wasteland, plundered of its natural resources by alien conquerors known as Psychlos. Fewer than 35,000 humans survive in a handful of communities scattered across the face of a post-apocalyptic Earth. From the ashes of humanity rises a young hero, Jonnie Goodboy Tyler. Setting off on an initial quest to discover a hidden evil, Jonnie unlocks the mystery of humanity’s demise and unearths a crucial weakness in their oppressors.

They are the Voltarians of Voltar - an empire 110 planets strong. They are already among us. And the invasion is about to begin...in a hundred years or so. Or is it? The truth is far more sinister. Undercover, underground, and out of sight, the invaders plan what may in fact be a massive diversion. In the darkest recesses of Voltar’s Coordinated Information Apparatus (otherwise known as the CIA), a tyrant of terror sets out to exploit the invasion in order to seize power. All that stands in his way is a planet that doesn’t exist.

The first book in an action–packed new SF adventure series. Vulcan is a factory planet, centuries old, Company run, ugly as sin, and unfeeling as death. Vulcan breeds just two types of native: complacent or tough. Sten is tough. When his family is killed in a mysterious accident, Sten rebels, harassing the Company from the metal world’s endless maze-like warrens. He could end up just another burnt–out Delinquent. But people like Sten never give up.

They came from the brightest star in the southern constellation of Carina. First they studied us. Now they're among us, threatening human existence as they search for the Starcore, the greatest device of the lost Polarions. Logan is captured in the Nevada desert but escapes in Greenland. There he finds an extraterrestrial stealth ship, giving him the means to take the battle to the enemy.

The Doctor has been summoned. The galaxy is in terrible danger, and only a Time Lord can save it. But to do so, she must break into the ancient Galactic Seed Vault. And at its heart lies a secret: Vault 13. The vault has remained unopened for millions of years and is located on a remote and frozen world - from which nobody has ever returned alive.... Can the Doctor and her friends Yaz, Ryan, and Graham uncover the shocking secret in Vault 13?

When Dal Timgar, of all his medical class, was denied assignment to a general practice patrol ship going out from Hospital Earth to serve the medical needs of the Galactic Confederation, it seemed to him that his eight years of study in the great medical center of the galaxy had ended in failure. He had worked hard and stood at the head of his class, but Dal was different from his medical colleagues in one important way: he was the first son of an alien race to attempt to become a qualified physician of Hospital Earth.

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.

The Argus Space Station looks down on a nightmarish Earth. And from this safe distance, the Committee enforces its despotic rule. There are too many people and too few resources, and they need 12 billion to die before Earth can be stabilised. So corruption is rife, people starve, and the poor are policed by mechanised overseers and identity-reader guns. Citizens already fear the brutal Inspectorate with its pain inducers. But to reach its goals, the Committee will unleash satellite laser weaponry, taking carnage to a new level. This is the world Alan Saul wakes to.

Geoffrey Beevers reads this exciting novelisation of a classic TV adventure for the Fourth Doctor. The Doctor is suddenly summoned to Gallifrey, the home of the Time Lords, where his ghastly hallucinations of the president’s assassination seem to turn into reality. When the Doctor is arrested for the murder, a hideous, dark, cowled figure is gleefully watching in the shadows. In a battle of minds, the Doctor faces renegade Time Lord the Master inside a nightmare world created by his old enemy’s imagination.

Marooned in outer space after an attack on his ship, Nomad, Gulliver Foyle lives to obsessively pursue the crew of a rescue vessel that had intended to leave him to die.

Based on the blockbuster pilot episode for the Deep Space Nine television series, Emissary introduces listeners to the mysterious space station that hovers on the edge of a wormhole. Read by series star Nana Visitor, and enhanced with sound effects and an original score.