When the technology for twisting to other probability patterns was developed, a grateful Earth solved its overcrowding by sending people to live on Earths where plants and animals never got started. Each family could have its own planet, because there was an infinite number of such alt-Earths available, and the computers never assigned the same one twice. Trouble was - someone else had the same idea!

A research spaceship from Earth lands on Saybrook's Planet to investigate a report by an earlier colony ship. The colony ship's captain, Saybrook, had reported that the planet's abundant plant and animal life was all part of a single organism with a unified consciousness. That organism was able to induce pregnancy in all the colony ship's female animals, and all the offspring born had green patches of fur instead of eyes, a sign that they were part of the planetary organism.

What would a child of the future envision a classroom of the 20th century to look like? This is a question that is explored in a rare piece of science fiction from master writer Isaac Asimov. Listen in to two children of the 22nd century as they explore their first-ever book. Everything they know comes on a screen and they're not sure what to do with a book. While written decades ago it's uncanny to hear the similarities to our present.

This classic science fiction masterwork by Isaac Asimov weaves stories about robots, humanity, and the deep questions of existence into a novel of shocking intelligence and heart.

Only a few know the terrifying truth - an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun... They know the truth - but who will listen? They have foreseen the cost of abundant energy - but who will believe?These few beings, human and alien, hold the key to the Earth's survival.

Rigg is well trained at keeping secrets. Only his father knows the truth about Rigg’s strange talent for seeing the paths of people’s pasts. But when his father dies, Rigg is stunned to learn just how many secrets Father had kept from him - secrets about Rigg’s own past, his identity, and his destiny. And when Rigg discovers that he has the power not only to see the past, but also to change it, his future suddenly becomes anything but certain.

Three remarkable journeys into the stars: Worlds of Exile and Illusion includes Rocannon's World, Planet of Exile, and City of Illusions. These three spacefaring adventures mark the beginning of grand master Ursula K. Le Guin’s remarkable career. Set in the same universe as Le Guin’s groundbreaking classics The Left Hand of Darkness and The Dispossessed, these first three books of the celebrated Hainish series follow travelers of many worlds and civilizations in the depths of space.

The Western Front, 1916. Private Percy Blakeney wakes up. He is lying on fresh spring grass. He can hear birdsong and the wind in the leaves. Where have the mud, blood, and blasted landscape of no-man's-land gone? For that matter, where has Percy gone? Madison, Wisconsin, 2015. Police officer Monica Jansson is exploring the burned-out home of a reclusive - some say mad, others allege dangerous - scientist who seems to have vanished. Sifting through the wreckage, Jansson find a curious gadget.

Max Jones, a practical, hard-working young man, found his escape in his beloved astronomy books. When reality comes crashing in and his troubled home life forces him out on the road, Max finds himself adrift in a downtrodden land - until an unexpected, ultimate adventure carries him away as a stowaway aboard an intergalactic spaceship.

After the fall of the American Ayatollahs as foretold in Stranger in a Strange Land and chronicled in Revolt in 2100, the United States of America at last fulfills the promise inherent in its first Revolution: for the first time in human history there is a nation with Liberty and Justice for All. No one may seize or harm the person or property of another, or invade his privacy, or force him to do his bidding. Americans are fiercely proud of their re-won liberties and the blood it cost them; nothing could make them forswear those truths they hold self-evident. Nothing except the promise of immortality…

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.

Untouched by Human Hands consists of 13 stories of beings who dwell on the strange borders of reality. Some of these stories tell of people you know or of events that might happen - but haven't yet. Some will take you to the furthermost reaches of the sky and to planets whose names are unknown this side of Arcturus. And some - perhaps the richest and most memorable of these stories - open into the interior of strange minds to reveal the reflection of ourselves.

The story of Island in the Sky centers around a young man, who, after brilliantly winning a space-related competition, requests a vacation on a space station as his prize. It is written with Arthur C. Clark's obvious knowledge of science, but moves at a page turning rate throughout the entire narrative. The short novel gives a realistic possibility of work and play in future space, heightened with constant excitement and action.

In 1960s Oxford, Professor Henry Lytten is attempting to write a fantasy novel that forgoes the magic of his predecessors, J. R. R. Tolkien and C. S. Lewis. He finds an unlikely confidante in his quick-witted, inquisitive young neighbor Rosie.

It isn’t easy to get a group of bestselling SF authors to write new stories for an anthology, but that’s what Elizabeth Anne Hull has done in this powerhouse book. With original, captivating tales by Greg Bear, Gregory Benford, Ben Bova, David Brin, Cory Doctorow, Neil Gaiman, Joe Haldeman, Harry Harrison, Larry Niven, Vernor Vinge, Gene Wolfe, and others, Gateways is a SF event that will be a must-buy for SF readers of all tastes, from the traditional to the cutting edge; from the darkly serious to the laugh-out-loud funny.