The hunt for his killer leads a dead professor of supernatural phenomena into the perilous intrigues of aliens, fairy folk, and time travelers in this classic of science fiction. Until the day he was murdered, Professor Peter Maxwell was a respected faculty member of the College of Supernatural Phenomena. Imagine his chagrin when he turns up at a Wisconsin matter transmission station several weeks later and discovers he's not only dead but unemployed.

The Overlords appeared suddenly over every city - intellectually, technologically, and militarily superior to humankind. Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.

Jenkins was a robot. He was built to be the perfect worker, tireless and uncomplaining. But, quite unexpectedly, he also became a close companion to generation after generation of his owners as the human race matured, moved beyond the confines of its once tiny planet, and eventually changed beyond all recognition.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

The Mote In God's Eye is their acknowledged masterpiece, an epic novel of mankind's first encounter with alien life that transcends the genre. No lesser an authority than Robert A. Heinlein called it "possibly the finest science fiction novel I have ever read".

Winner of the 1961 Hugo Award for Best Novel and widely considered one of the most accomplished, powerful, and enduring classics of modern speculative fiction, Walter M. Miller’s A Canticle for Leibowitz is a true landmark of 20th-century literature—a chilling and still-provocative look at a postapocalyptic future.

People work; folk play. That is how it has been in this country for as long as Sam can remember. He is happy, and he understands that this is the way it should be. People are bigger than folk. They are stronger. They do not need food or water. They do not need the warmth of a fire. All they need are jobs to do and a blacksmith to fix them when they break. The people work so the folk can drink their moonshine, fish a little, and throw horseshoes. But once Sam starts to wonder why the world is like this, his life will never be the same.

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.

Along with a remarkable group of compatriots, including Alice Liddell Hargreaves (the Victorian girl who was the inspiration for Alice in Wonderland), an English-speaking Neanderthal, a WWII Holocaust survivor, and a wise extraterrestrial, Burton sets sail on the magnificent river. His mission: to confront humankind's mysterious benefactors, and learn the true purpose—innocent or evil—of the Riverworld....

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 complete unabridged audiobook of J.R.R Tolkien's The Silmarillion. The Silmarillion is an account of the Elder Days, of the First Age of Tolkien’s world. It is the ancient drama to which the characters in The Lord of the Rings look back, and in whose events some of them such as Elrond and Galadriel took part.

William Mandella is a soldier in Earth's elite brigade. As the war against the Taurans sends him from galaxy to galaxy, he learns to use protective body shells and sophisticated weapons. He adapts to the cultures and terrains of distant outposts. But with each month in space, years are passing on Earth. Where will he call home when (and if) the Forever War ends?

Six million years ago, at the very dawn of the starfaring era, Abigail Gentian fractured herself into a thousand male and female clones: the shatterlings. Sent out into the galaxy, these shatterlings have stood aloof as they document the rise and fall of countless human empires. They meet every 200,000 years to exchange news and memories of their travels with their siblings.

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.

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.

Jenkins was a robot. He was built to be the perfect worker, tireless and uncomplaining. But, quite unexpectedly, he also became a close companion to generation after generation of his owners as the human race matured, moved beyond the confines of its once tiny planet, and eventually changed beyond all recognition.

Twenty years ago, Asher Sutton vanished somewhere in the star system 61 Cygni, an inaccessible corner of the universe that humankind has thus far been unable to explore. Now Asher has returned to Earth, having impossibly survived catastrophic damage to his spacecraft. But the star traveler is not the same man he was when he began his journey two decades earlier. He is, in fact, no longer completely human. And he isn't alone.

Space travel has been abandoned in the 22nd century. It is deemed too dangerous, expensive, and inconvenient - and now the all-powerful Fishhook company holds the monopoly on interstellar exploration for commercial gain. Their secret is the use of "parries", human beings with the remarkable telepathic ability to expand their minds throughout the universe.

Father Ruiz-Sanchez is a dedicated man - a priest who is also a scientist, and a scientist who is also a human being. He has found no insoluble conflicts in his beliefs or his ethics...until he is sent to Lithia. There he comes upon a race of aliens who are admirable in every way except for their total reliance on cold reason; they are incapable of faith or belief. Confronted with a profound scientific riddle and ethical quandary, Father Ruiz-Sanchez soon finds himself torn.

Pell's Station, orbiting the alien world simply called Downbelow, had always managed to remain neutral in the ever escalating conflict between The Company, whose fleets from Earth had colonized space, and its increasingly independent and rebellious colony worlds. But Pell's location - - on the outer edge of Earth's defensive perimeter - makes her the focal point in the titanic battle of colony worlds fighting for independence.

The imperious Winter colonists have ruled the planet Tiamat for 150 years, deriving wealth from the slaughter of the sea mers. But soon the galactic stargate will close, isolating Tiamat, and the 150-year reign of the Summer primitives will begin. All is not lost if Arienrhod, the ageless, corrupt Snow Queen, can destroy destiny with an act of genocide. Arienrhod is not without competition as Moon, a young Summer-tribe sibyl, and the nemesis of the Snow Queen, battles to break a conspiracy that spans space.

After more than two hundred years as a corpsicle, Jaybee Corbell awoke in someone else’s body and under threat of instant annihilation if he made a wrong move while they were training him for a one-way mission to the stars. But Corbell bided his time and made his own move. Once he was outbound, where the society that ruled Earth could not reach him, he headed his starship toward the galactic core.

For nearly a billion years, every known sentient species in the universe has been the result of genetic and cultural guidance - or "uplifting" - by a previously uplifted patron race. Then humans are discovered. Having already uplifted chimps and dolphins, humanity clearly qualifies as an intelligent species, but did they actually evolve their own intelligence, or did some mysterious patron race begin the process, then suddenly abandon Earth?

Conrad Nomikos has a long, rich personal history that he'd rather not talk about. And, as Arts Commissioner, he's been given a job he'd rather not do. Escorting an alien grandee on a guided tour of the shattered remains of Earth is not something he relishes—especially when it is apparent that this places him at the center of high-level intrigue that has some bearing on the future of Earth itself!

In a future wracked by environmental catastrophe and social instability, physicist John Renfrew devises a longshot plan to use tachyons - strange, time-traveling particles - to send a warning to the past. In 1962, Gordon Bernstein, a California researcher, gets Renfrew's message as a strange pattern of interference in an experiment he's conducting.

People work; folk play. That is how it has been in this country for as long as Sam can remember. He is happy, and he understands that this is the way it should be. People are bigger than folk. They are stronger. They do not need food or water. They do not need the warmth of a fire. All they need are jobs to do and a blacksmith to fix them when they break. The people work so the folk can drink their moonshine, fish a little, and throw horseshoes. But once Sam starts to wonder why the world is like this, his life will never be the same.

When the healer Snake was summoned, she traveled the blasted landscape with her three serpents. From the venom of two of them, she distilled her medicines. But most valued of all was the alien dreamsnake, whose bite could ease the fear and pain of death.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

Vannemar Morgan's dream is to link Earth to the stars with the greatest engineering feat of all time: a 24,000-mile-high space elevator. But first he must solve a million technical, political, and economic problems while allaying the wrath of God. For the only possible site on the planet for Morgans Orbital Tower is the monastery atop the Sacred Mountain of Sri Kanda.

Have you ever worried about your memory, because it doesn't seem to recall exactly the same past from one day to the next? Have you ever thought that the whole universe might be a crazy, mixed-up dream? If you have, then you've had hints of the Change War.