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, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

David Gerrold’s classic space opera Under the Eye of God tells the story of a group of unlikely rebels on a mission to reclaim the galaxy from ruthless vampire overlords known as the Phaestor. The dark, burnt world of Thoska-Roole, infamous for its harsh climate and equally callous inhabitants, might be the last place in the galaxy anyone would turn for aid in times of crisis. But the small, orange planet is home to the band of rebels who hold the fate of the entire galaxy in their hands.

On the streets of Boston, the world is divided into the ordinary Usuals, and the paranormal Unorthodox. And in the Department of Unorthodox Affairs, the Auditors are the magical elite, government-sanctioned witches with spells at their command and all the power and prestige that comes with it. Grimshaw Griswald Grimsby is…not one of those witches.

From fighting giant bugs to defeating an interstellar empire without firing a shot; from scientific idiot savants toying with the universe to how the robots will really win the robot apocalypse, these 13 flavorful tales are guaranteed to entertain, amuse, awe, and maybe even enlighten.

This is the way the world ends...for the last time. It starts with the great red rift across the heart of the world's sole continent, spewing ash that blots out the sun. It starts with death, with a murdered son and a missing daughter. It starts with betrayal, and long dormant wounds rising up to fester. This is the Stillness, a land long familiar with catastrophe, where the power of the Earth is wielded as a weapon. And where there is no mercy.

On the planet Tython, the ancient Je’daii order was founded. And at the feet of its wise Masters, Lanoree Brock learned the mysteries and methods of the Force - and found her calling as one of its most powerful disciples. But as strongly as the Force flowed within Lanoree and her parents, it remained absent in her brother, who grew to despise and shun the Je’daii, and whose training in its ancient ways ended in tragedy. Now, from her solitary life as a Ranger keeping order across the galaxy, Lanoree has been summoned by the Je’daii Council on a matter of utmost urgency.

A Fire Upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale. Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function.

AD 3580. The Intersolar Commonwealth has spread through the galaxy to over a thousand star systems. It is a culture of rich diversity with a place for everyone. A powerful navy protects it from any hostile species that may lurk among the stars. For Commonwealth citizens, even death has been overcome.

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.

On the edge of a war-weary and devastated galaxy, charismatic Lewis Orne has landed on Hamal. His assignment: To detect any signs of latent aggression in this planet's population. To his astonishment, he finds that his own latent extrasensory powers have suddenly blossomed, and he is invited to join the company of "gods" on this planet - and the people here place certain expectations on their gods.

In the far future, humankind has made contact with numerous other species - and has helped to form the ConSentiency to govern between the species. After suffering under a tyrannous pure democracy that had the power to create laws so fast that no thought could be given to the effects, the sentients of the galaxy found a need for the Bureau of Sabotage (BuSab) to slow the wheels of government, thereby preventing it from legislating recklessly.

Prescient and scientifically accurate, Heart of the Comet is known as one of the great hard SF novels of the 1980s. First published in 1986, it tells the story of an ambitious manned mission to visit Halley's Comet, alter its orbit, and mine it for resources. But all too soon, native cells - that might once have brought life to Earth - begin colonizing the colonists. As factions battle over the comet's future - and that of Earth - only love, courage, and ingenuity can avert disaster and spark a new human destiny.

Moth was a beautiful planet, the only one with wings - two great golden clouds suspended in space around it. Here was a wide-open world for any venture a man might scheme. The planet attracted unwary travelers, hardened space-sailors, and merchant buccaneers - a teeming, constantly shifting horde that provided a comfortable income for certain quick-witted fellows like Flinx and his pet flying snake Pip.

Richard Muller was an honorable diplomat who braved unimaginable dangers to make contact with the first-known race of intelligent aliens. But those aliens left a mark on him: a psychic wound that emanates a telepathic miasma that his fellow humans can neither cure nor endure. Muller is exiled to the remote planet of Lemnos, where he is left, deeply embittered, at the heart of a deadly maze - until a new alien race appears, seemingly intent on exterminating humanity.

The urge to explore and discover is a natural and universal one, and the edge of the unknown is expanded with each passing year as scientific advancements inch us closer and closer to the outer reaches of our solar system and the galaxies beyond them. Generations of writers have explored these new frontiers and the endless possibilities they present in great detail. The Final Frontier delivers stories from across this literary spectrum, a reminder that the universe is far large and brimming with possibilities than we could ever imagine, as hard as we may try.

Beneath the roiling surface of Betelgeuse, scientists anxiously await the one man essential to the success of Starmuse, the greatest engineering project in human history. But on Kantano’s World, Willard Ruskin battles invisible agents for control of his life, his physical form, and even his memories. Drawn into a conflict from which not even death will free him, Ruskin must find a way to reach Betelgeuse before his enemies sabotage Starmuse—and humanity’s future among the stars. A harrowing journey from inside the human cell... to the mind of a dying star.

On September 28th, a geologist working in Death Valley finds a mysterious new cinder cone in very well-mapped area. On October 1, the government of Australia announces the discovery of an enormous granite mountain. Like the cinder cone, it wasn't there six months ago.

Something is happening to planet Earth, and the truth is too terrifying to contemplate

Moth was a beautiful planet, the only one with wings - two great golden clouds suspended in space around it. Here was a wide-open world for any venture a man might scheme. The planet attracted unwary travelers, hardened space-sailors, and merchant buccaneers - a teeming, constantly shifting horde that provided a comfortable income for certain quick-witted fellows like Flinx and his pet flying snake Pip.

Jean le Flambeur is a post-human criminal, mind burglar, confidence artist, and trickster. His origins are shrouded in mystery, but his exploits are known throughout the Heterarchy - from breaking into the vast Zeusbrains of the Inner System to stealing rare Earth antiques from the aristocrats of Mars. Now he’s confined inside the Dilemma Prison, where every day he has to get up and kill himself before his other self can kill him.

It is 2019. NASA astronaut Nigel Walmsley is sent on a mission to intercept a rogue asteroid on a collision course with Earth. Ordered to destroy it, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal….

This debut science fiction novel is the story of Sira--a woman on the run from the law, from her own people, and from an unknown figure determined to use her for his own ends. Her memory taken from her by a stasis block, she must stay free long enough to regain both her identity and the full use of her telepathic powers. The price of failure may not only be the loss of her own future, but that of her entire race.

Under the benevolent leadership of the League of Peoples, there is no war, little crime, and life is sacred...unless you're an Explorer. The ugly, the flawed, the misfit, the deformed, they are the unwanted, flung to the farthest corners of the galaxy to investigate hostile planets and strange, vicious creatures. Out there, there are a thousand different - and terrible - ways to die.

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, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

Jake Ramsey - an unassuming yet talented archaeologist - has been given the chance of a lifetime. Hired to investigate a recently unearthed Xel'Naga temple, he knows this latest assignment will open up whole new possibilities for his career. Yet when Jake discovers the remains of a long-dead protoss mystic, his hopes and dreams are irrevocably drowned in a flood of alien memories. Bonded to the spirit of the dead protoss, Jake has become the sole inheritor of the protoss' total history - every event, every thought - every feeling.

Conquered by the Jao twenty years ago, the Earth is shackled under alien tyranny - and threatened by the even more dangerous Ekhat, one of whose genocidal extermination fleets is coming to the solar system. The only chance for human survival is in the hands of an unusual pair of allies: a young Jao prince, newly arrived to Terra to assume his duties, and a young human woman brought up amongst the Jao occupiers. But, as their tentative alliance takes shape, they are under pressure from all sides.

New York Times best-selling author David Weber invites David Drake and S.M. Stirling, two of today's top writers of military science fiction, to join him in an exploration of Honor Harrington's universe.

Rhoma Grace is a 16-year-old student from House Cancer with an unusual way of reading the stars. While her classmates use measurements to make accurate astrological predictions, she looks up at the night sky and makes up stories.

This audiobook shows the origin of the green priests on Theroc, the first Roamer skymining operations on a gas-giant planet, the discovery of the Klikiss robots entombed in an abandoned alien city, the initial Ildiran expedition to Earth, the rescue of the generation ship Burton and the tragedy that leads to sinister breeding experiments. Veiled Alliances is an excellent starting point for readers new to the Saga, as well as an unforgettable adventure for fans of the series.

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.

Seconds before the Earth is demolished to make way for a galactic freeway, Arthur Dent is plucked off the planet by his friend Ford Prefect, a researcher for the revised edition of The Hitchhiker's Guide to the Galaxy who, for the last 15 years, has been posing as an out-of-work actor.