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!

His name was Biron Farrill and he was a student at the University of Earth. A native of one of the helpless Nebular Kingdoms, he saw his home world conquered and controlled by the planet Tyrann - a ruthless, barbaric Empire that was building a dynasty of cruelty and domination among the stars. Farrill’s own father had been executed for trying to resist the Tyrann dictatorship and now someone was trying to kill Biron. But why? His only hope for survival lay in fleeing Earth and joining the rebellion that was rumored to be forming somewhere in the Kingdoms.

In the 23rd century, pioneers have escaped the crowded earth for life in self-sustaining orbital colonies. One of the colonies, Rotor, has broken away from the solar system to create its own renegade utopia around an unknown red star two light-years from Earth: a star named Nemesis. Now a 15-year-old Rotorian girl has learned of the dire threat that nemesis poses to Earth’s people - but she is prevented from warning them. Soon, she will realize that Nemesis endangers Rotor as well.

A collection of 20 classic short stories by Isaac Asimov, author of the Foundation series, featuring the definitive and only in-print version of “Nightfall”.

Piranesi lives in the House. Perhaps he always has. In his notebooks, day after day, he makes a clear and careful record of its wonders: the labyrinth of halls, the thousands upon thousands of statues, the tides that thunder up staircases, the clouds that move in slow procession through the upper halls. On Tuesdays and Fridays Piranesi sees his friend, the Other. At other times he brings tributes of food to the Dead. But mostly, he is alone.

From early work like "Rescue Party" and "The Lion of Comarre", through classic stories including "The Star", "Earthlight", "The Nine Billion Names of God", and "The Sentinel" (kernel of the later novel and movie 2001: A Space Odyssey), all the way to later work like "A Meeting with Medusa" and "The Hammer of God", this comprehensive short story collection encapsulates one of the great science fiction careers of all time.

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.

In this Hugo-nominated novel, an alien walks into a museum and asks if he can see a paleontologist. But the arachnid ET hasn't come aboard a rowboat with the Pope and Stephen Hawking (although His Holiness does request an audience later). Landing at the Royal Ontario Museum in Toronto, the spacefarer, Hollus, asks to compare notes on mass extinctions with resident dino-scientist Thomas Jericho.

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.

Celebrating the 70th anniversary of this magical and well-loved classic. Following a plane crash, Conway, a British consul; his deputy; a missionary; and an American financier find themselves in the enigmatic snow-capped mountains of uncharted Tibet. Here they discover a seemingly perfect hidden community where they are welcomed with gracious hospitality. Intrigued by its mystery, the travelers set about discovering the secret hidden at the shimmering heart of Shangri-La.

Friday, a secret courier, is thrown into an assignment under the command of her employer, a man she knows only as "Boss." She operates from and over a near-future Earth in North America, a vulgar and chaotic land comprised of dozens of independent states. In America's disunion, Friday keeps her balance nimbly with quick, expeditious solutions as she conquers one calamity and scrape after another.

Dimension of Miracles is a satirical science fiction novel first published by Dell in 1968. It's about Tom Carmody, a New Yorker who, thanks to a computer error, wins the main prize in the Intergalactic Sweepstakes. Tom claims his prize before the error is discovered and is allowed to keep it. However, since Tom is a human from Earth without galactic status and no space traveling experience, he has no homing instinct that can guide him back to Earth once his odyssey begins - and the galactic lottery organizers cannot transport him home.

With no water, no air, and no native life, the planet Gora is unremarkable. The only thing it has going for it is a chance proximity to more popular worlds, making it a decent stopover for ships traveling between the wormholes that keep the Galactic Commons connected. If deep space is a highway, Gora is just your average truck stop. The Five-Hop is run by an enterprising alien and her sometimes helpful child, who work hard to provide a little piece of home to everyone passing through.

Rediscover the children’s literature classic with three novels from the beloved series: The Voyages of Doctor Dolittle, The Story of Doctor Dolittle, and Doctor Dolittle’s Post Office!

Jon Ryan was supposed to be dead. He wanted to be dead. But Jon wakes up in the far future with an alien burrowing in his chest for salvage. Someone was going to pay for this. Check that. Lots of people were going to pay for this. Jon was the first astronaut to download to an android host to find the population of doomed Earth a new home. But that was so long time ago. He is now literally lost in time.