In the third book of the Foundation trilogy the secretly developed Second Foundation vies with a deadly mutant.

The second novel in Isaac Asimov’s classic science-fiction masterpiece, the Foundation series

THE EPIC SAGA THAT INSPIRED THE APPLE TV+ SERIES FOUNDATION

Led by its founding father, the psychohistorian Hari Seldon, and utilizing science and technology, the Foundation survived the greed and barbarism of its neighboring warrior-planets. Now cleverness and courage may not be enough. For the Empire—the...

Avice Benner Cho, a human colonist on a distant planet populated by the Ariekei, sentient beings famed for their unique language, returns to Embassytown after many years of deep space exploration to find she has become a living simile in the Ariekei language even though she cannot speak it, and she is torn by competing loyalties when hostilities erupt between humans and aliens.

Luke Skywalker, Han Solo, Princess Leia, and Chewbacca head for Candoras Sector to evaluate an alliance proposed by the governor that would provide the rebels a new base, while Mara Jade and five renegade stormtroopers also head for Candoras to smash the rebels.

Out of the Silent Planet begins the adventures of the remarkable Dr. Ransom. Here, that estimable man is abducted by a megalomanical physicist and his accomplice and taken via spaceship to the red planet of Malacandra. Once on the planet, he eludes his captors, risking his life and his chances of returning to Earth. First published in 1943, Out of the Silent Planet remains a mysterious and suspenseful tour de force.

Welcome to a world like no other.

The Ringworld is a landmark engineering achievement, a flat band three million times the surface of the Earth, encircling a distant star. Home to trillions of inhabitants, not all of whom are human, and host to amazing technological wonders, the Ringworld is unique in all of the universe.

Explorer Louis Wu, an Earth-born human who was part of the first expedition to Ringworld, becomes enmeshed in interplanetary

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Retired from his fighting days, John Perry is now village ombudsman for a human colony on distant Huckleberry. With his wife, former Special Forces warrior Jane Sagan, he farms several acres, adjudicates local disputes, and enjoys watching his adopted daughter grow up.
That is, until his and Jane's past reaches out to bring them back into the game — as leaders of a new human colony, to be peopled by settlers from all the major human worlds,

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High above Earth orbits the starship Basilica. On board the huge vessel are a sleeping woman and an artificial intelligence, the Oversoul of Harmony. Of those who made the journey from the planet Harmony, Shedemai alone has survived the hundreds of years since the Children of Wetchik returned to Earth.

She now wears the Cloak of the Starmaster, given to her by Nafai when he chose to live out his life on Earth. The Oversoul sometimes wakes

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Ben Bova continues his hard SF Star Quest series which began with Death Wave and Apes and Angels. In Surivival, a human team sent to scout a few hundred lightyears in front of the death wave encounters a civilization far in advance of our own, a civilization of machine intelligences. The sentient, intelligent machines have existed for eons, and have survived earlier "death waves," gamma ray bursts from the core of the galaxy. They are totally self-sufficient,...