Winner of the Hugo and Nebula Awards A groundbreaking work of science fiction, The Left Hand of Darkness tells the story of a lone human emissary to Winter, an alien world whose inhabitants can change their gender. His goal is to facilitate Winter's inclusion in a growing intergalactic civilization. But to do so he must bridge the gulf between his own views and those of the completely dissimilar culture that he encounters. Embracing the aspects of...

Given his lifetime assignment at the Ceremony of Twelve, Jonas becomes the receiver of memories shared by only one other in his community and discovers the terrible truth about the society in which he lives.

At the Earth’s Core reveals an entire world 500 miles below the surface of our planet. With dinosaurs, cavemen, and perpetual noon, the eerie world of Pellucidar is the perfect setting for this adventurous science fiction novel. David Innes is a wealthy miner who gave his friend, Perry Abner, the money to invent a powerful excavating vehicle. While the pair are carrying out a test run of the machine, they discover that it is incapable of turning...

HarperCollins is proud to present its range of best-loved, essential classics. 'From that hour we had no further occasion for the exercise of reason, or judgment, or skill, or contrivance. We were henceforth to be hurled along, the playthings of the fierce elements of the deep.' In Verne's science-fiction classic, Professor Lidenbrock chances upon an ancient manuscript and pledges to solve the mysterious coded message that lies within it. Eventually...

This title is part of the CAEZIK Notables series of speculative-fiction books marking important milestones in science fiction or fantasy.

This Nebula- and Hugo-nominated novel is held in fond esteem by many Heinlein fans. Beginning in the early 1970s, Heinlein suffered from a number of health crises, including reversible neurologic dysfunction (toward the end of the decade), which greatly impacted the quality of his writing.

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One night after an evening out, Jason Dessen, forty-year-old physics professor living with his wife and son in Chicago, is kidnapped at gunpoint by a masked man, driven to an abandoned industrial site and injected with a powerful drug. As he wakes, a man Jason's never met smiles down at him and says, "Welcome back, my friend." But this life is not the one he knows. His wife is not his wife; his son was never born; and he's not an ordinary college...

Earth refugees threaten a peaceful space settlement in this influential novel from the Golden Age science fiction author of 2001: A Space Odyssey. More than two thousand years in the future, a small human colony thrives on the ocean paradise of Thalassa-sent there centuries ago to continue the human race before Earth's destruction. Thalassa's resources are vast-and the human colony has lived a bucolic life there. But their existence is threatened...

A scientist invents a machine that transports him far into the future where he discovers a changed world inhabited by two unusual races, the Eloi and the Morlocks.

The Voltarian invaders are getting down and dirty . . . in the deadliest of games. The price: Planet Earth. Voltarian Royal Officer Jettero Heller has heart, nerve and a quick mind on his side. His archenemy Soltan Gris has cunning, ruthlessness and a devious plan on his. But what neither of them has is money-and without that they may as well pack up and go back to Voltar. Because as every earthling knows-no pay, no play. Heller's solution is a weekend...

Muir's Gideon the Ninth unveils a solar system of swordplay, cutthroat politics, and lesbian necromancers. Her characters leap off the page, as skillfully animated as arcane revenants. The result is a heart-pounding epic science fantasy.