Great Sci-Fi Reads
Discover the best sci-fi books with our curated list of great reads. Explore top-rated science fiction novels, from classics to new releases, for every fan of the genre.




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Blue Mars
by Kim Stanley Robinson
Winner of the Hugo Award for Best Novel • One of the most enthralling science fiction sagas ever written, Kim Stanley Robinson’s epic trilogy concludes with Blue Mars—a triumph of prodigious research and visionary storytelling. “A breakthrough even from [Kim Stanley Robinson’s] own consistently high levels of achievement.”—The New York Times Book Review The red planet is no more. Now green and verdant, Mars has been dramatically altered from a desolate world into one where humans can flourish. The First Hundred settlers are being pulled into a fierce new struggle between the Reds, a group devoted to preserving Mars in its desert state, and the Green “terraformers.” Meanwhile, Earth is in peril. A great flood threatens an already overcrowded and polluted planet. With Mars the last hope for the human race, the inhabitants of the red planet are heading toward a population explosion—or interplanetary war.
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Ringworld
by Larry Niven
Winner of the Hugo and Nebula Awards for best novel Four travelers come to the ringworld. . . Louis Wu: human and old; bored with having lived too fully for far too many years. Seeking a challenge, and all too capable of handling it. Nessus: a trembling coward, a puppeteer with a built-in survival pattern of nonviolence. Except that this particular puppeteer is insane. Teela Brown: human; a wide-eyed youngster with no allegiances, no experience, no abilities. And all the luck in the world. Speaker-To-Animals: kzin; large, orange-furred, and carnivorous. And one of the most savage life-forms known in the galaxy. Why did these disparate individuals come together? How could they possibly function together? And where, in the name of anything sane, were they headed?

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Ringworld Engineers
by Larry Niven
A return voyage to the astonishing world of Larry Niven’s Ringworld, with even more remarkable adventures and surprises, and a solution to that tantalizing question left from the earlier book: how was Ringworld built and by whom? It’s been twenty years since the quixotic and worldsweary Louis Wu discovered the Ringworld. Now he and Speaker-To-Animals are going back, captives of the Hindmost, a deposed puppeteer leader. With Louis’ help, the Hindmost intends to regain his status by bringing back such extraordinary treasures from the Ringworld that his fellow puppeteers will have to be impressed. But when they arrive, Louis discovers that the Ringworld is no longer stable . . . and will destroy itself within months. To survive he must locate the control center of the legendary engineers who built the planet. His quest becomes a wild and gripping venture, blended with the mysteries and spectacular technologies that only Larry Niven can conjure! Praise for Ringworld Engineers “For new readers, there’s fascinating adventure in plenitude. For old fans of Niven’s Known Space series, or of the original volume, there are all the fine, characteristic touches that delight us Niven fans, and which support his reputation for uncommon wittiness and fast narrative pace.”—Chicago Sun-Times “The Ringworld Engineers has all the imaginativeness, convincing detail, and narrative vivacity that have come to be associated with the works of Larry Niven. Furthermore, it answers a lot of questions that have been tantalizing his readers for a long time. Most highly recommended!”—Paul Anderson “When I finished The Ringworld Engineers, I cleared my calendar for a week, sat down, and reread every word of the Known Space cycle from scratch, then reread The Ringworld Engineers. It was worth the effort, and left me staggered by the breadth and scope of Larry’s vision. . . . If you count yourself as a true friend of Larry Niven, race right out and get this one.”—Analog Science Fiction Magazine “Another fine masterpiece from the master of science fiction . . . The coming conquest of space has always been a central myth of science fiction, and Larry Niven’s future worlds have made the most of it. The Ringworld itself is a dazzling notion, carrying the future evolution of technology about as far as possible.”—Jack Williamson “Adventurous exploration of a mind-boggling landscape.”—Publishers Weekly

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Ringworld Throne
by Larry Niven
Come back to the Ringworld . . . the most astonishing feat of engineering ever encountered. A place of untold technological wonders, home to a myriad humanoid races, and world of some of the most beloved science fiction stories ever written! The human, Louis Wu; the puppeteer known as the Hindmost; Acolyte, son of the Kzin called Chmeee . . . legendary beings brought together once again in the defense of the Ringworld. Something is going on with the Protectors. Incoming spacecraft are being destroyed before they can reach the Ringworld. Vampires are massing. And the Ghouls have their own agenda—if anyone dares approach them to learn. Each race on the Ringworld has always had its own Protector. Now it looks as if the Ringworld itself needs a Protector. But who will sit on the Ringworld Throne? “Niven’s work has been an intriguing and consistent universe, and this book is the keystone of the arch. . . . [His] technique is wonderfully polished, his characters and their situations are nicely drawn . . . wraps up (maybe) a corner of a very interesting universe.”—San Diego Union-Tribune

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The Forever War
by Joe Haldeman
"Private William Mandella hadn't wanted to go to war against the Taurans ...."--p. [4] of cover.

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Armor
by John Steakley
The military sci-fi classic in a striking new package Felix is an Earth soldier, encased in special body armor designed to withstand Earth's most implacable enemy-a bioengineered, insectoid alien horde. But Felix is also equipped with internal mechanisms that enable him, and his fellow soldiers, to survive battle situations that would destroy a man's mind. This is a remarkable novel of the horror, the courage, and the aftermath of combat-and how the strength of the human spirit can be the greatest armor of all.

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Starship Troopers
by Robert Anson Heinlein
In a futuristic military adventure a recruit goes through the roughest boot camp in the universe and into battle with the Terran Mobile Infantry in what historians would come to call the First Interstellar War
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Hyperion
by Dan Simmons
A stunning tour de force filled with transcendent awe and wonder, Hyperion is a masterwork of science fiction that resonates with excitement and invention, the first volume in a remarkable epic by the multiple-award-winning author of The Hollow Man. On the world called Hyperion, beyond the reach of galactic law, waits a creature called the Shrike. There are those who worship it. There are those who fear it. And there are those who have vowed to destroy it. In the Valley of the Time Tombs, where huge, brooding structures move backward through time, the Shrike waits for them all. On the eve of Armageddon, with the entire galaxy at war, seven pilgrims set forth on a final voyage to Hyperion seeking the answers to the unsolved riddles of their lives. Each carries a desperate hope—and a terrible secret. And one may hold the fate of humanity in his hands. Praise for Dan Simmons and Hyperion “Dan Simmons has brilliantly conceptualized a future 700 years distant. In sheer scope and complexity it matches, and perhaps even surpasses, those of Isaac Asimov and James Blish.”—The Washington Post Book World “An unfailingly inventive narrative . . . generously conceived and stylistically sure-handed.”—The New York Times Book Review “Simmons’s own genius transforms space opera into a new kind of poetry.”—The Denver Post “An essential part of any science fiction collection.”—Booklist

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The Fall of Hyperion
by Dan Simmons
“State of the art science fiction . . . a landmark novel.”—Isaac Asimov's Science Fiction Magazine Now, in the stunning continuation of the epic adventure begun in Hyperion, Simmons returns us to a far future resplendent with drama and invention. On the world of Hyperion, the mysterious Time Tombs are opening. And the secrets they contain mean that nothing—nothing anywhere in the universe—will ever be the same. Praise for The Fall of Hyperion “One of the finest SF novels published in the past few years.”—Science Fiction Eye “A magnificently original blend of themes and styles.”—The Denver Post

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Endymion
by Dan Simmons
The multiple-award-winning science fiction master returns to the universe that is his greatest triumph--the world of Hyperion and The Fall of Hyperion --with a novel even more magnificent than its predecessors. Dan Simmons's Hyperion was an immediate sensation on its first publication in 1989. This staggering multifaceted tale of the far future heralded the conquest of the science fiction field by a man who had already won the World Fantasy Award for his first novel (Song of Kali) and had also published one of the most well-received horror novels in the field, Carrion Comfort. Hyperion went on to win the Hugo Award as Best Novel, and it and its companion volume, The Fall of Hyperion, took their rightful places in the science fiction pantheon of new classics. Now, six years later, Simmons returns to this richly imagined world of technological achievement, excitement, wonder and fear. Endymion is a story about love and memory, triumph and terror--an instant candidate for the field's highest honors.

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Rise of Endymion
by Dan Simmons
The magnificent conclusion to one of the greatest science fiction sagas of our time The time of reckoning has arrived. As a final genocidal Crusade threatens to enslave humanity forever, a new messiah has come of age. She is Aenea and she has undergone a strange apprenticeship to those known as the Others. Now her protector, Raul Endymion, one-time shepherd and convicted murderer, must help her deliver her startling message to her growing army of disciples. But first they must embark on a final spectacular mission to discover the underlying meaning of the universe itself. They have been followed on their journey by the mysterious Shrike--monster, angel, killing machine--who is about to reveal the long-held secret of its origin and purpose. And on the planet of Hyperion, where the story first began, the final revelation will be delivered--an apocalyptic message that unlocks the secrets of existence and the fate of humankind in the galaxy.

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The Ghost Brigades
by John Scalzi
The Ghost Brigades are the Special Forces of the Colonial Defense Forces, elite troops created from the DNA of the dead and turned into the perfect soldiers for the CDF's toughest operations. They’re young, they’re fast and strong, and they’re totally without normal human qualms. The universe is a dangerous place for humanity—and it's about to become far more dangerous. Three races that humans have clashed with before have allied to halt our expansion into space. Their linchpin: the turncoat military scientist Charles Boutin, who knows the CDF’s biggest military secrets. To prevail, the CDF must find out why Boutin did what he did. Jared Dirac is the only human who can provide answers -- a superhuman hybrid, created from Boutin's DNA, Jared’s brain should be able to access Boutin's electronic memories. But when the memory transplant appears to fail, Jared is given to the Ghost Brigades. At first, Jared is a perfect soldier, but as Boutin’s memories slowly surface, Jared begins to intuit the reason’s for Boutin’s betrayal. As Jared desperately hunts for his "father," he must also come to grips with his own choices. Time is running out: The alliance is preparing its offensive, and some of them plan worse things than humanity’s mere military defeat... "A mix of Starship Troopers and Universal Soldier, Ghost Brigades evokes awakening, betrayal, and combat in the best military sci-fi tradition."—Entertainment Weekly "An impressive piece of work."—Philadelphia Inquirer "Fast and deep . . . I like the galaxy this author's playing in, the characters he limns, the situations he's playing with, and I'm glad there's at least one more volume on the way."—San Diego Union-Tribune "In Heinleinesque fashion, the book is loaded with scenes of comradeship, isolation, ruthlessness and the protocols, which govern the lives of active-duty soldiers. But this is where Scalzi, famous for his blog ‘The Whatever,’ surpasses Heinlein. Scalzi weaves in subtle discussions of humanity's growing fear of aging and our simultaneous attraction and repulsion to the Frankenstein-like creatures we are able to create."—San Antonio Express-News "Scalzi is a natural heir to Heinlein, and his second book in this series is a good old-fashioned space opera, which takes time to question the nature of free will."—St. Louis Press-Dispatch "The alliance of three alien races against interstellar humanity, the defection of a human military scientist, and the signs of an impending war call for desperate measures from the Colonial Defense Forces. The creation of the superhuman hybrid Jared Dirac from the DNA of the traitor Charles Boutin is intended to provide a window on Boutin's mind and on the reasons for the alien alliance, but the transfer apparently fails, and Dirac is assigned to the Ghost Brigades, Special Forces troops cloned from the DNA of dead men minus any moral qualms. The sequel to Old Man's War combines taut military action with keen insights into the moral issues revolving around developing technologies. Scalzi has a finely tuned sense of balance between personal drama and the ‘big picture’ in this SCI FI Essential Book choice. Highly recommended."—Library Journal (starred review) "Scalzi's riveting and original Old Man's War introduced readers to the Colonial Defense Forces (CDF), an Earth-based galactic army composed of senior citizens rejuvenated by high-tech wizardry into youthful warriors. In this equally engaging, battle-driven sequel, the CDF's latest operation entails tracking down renegade scientist Charles Boutin, who is responsible for handing over deadly military secrets to humanity's extraterrestrial enemies. Fortunately, a computer-based replica of Boutin's consciousness is on file and ready for transfer into newly cloned special-forces soldier Jirad Dirac, who shares Boutin's DNA. When the consciousness transfer doesn't quite take, Dirac is handed off to a battalion for routine but closely monitored training. Just when Dirac is getting comfortable with his own identity, however, Boutin's memories kick in, and Dirac and his team are summarily dispatched to an enemy planet to capture Boutin and solve the mystery of his treason before humanity is destroyed. Scalzi skillfully weaves together action, memorable characterizations, and a touch of philosophy in a first-rate military sf outing."—Carl Hays, Booklist "[A] fast-paced interstellar military drama . . . It follows Jared Dirac, a superhuman soldier, from unusual birth to ambiguous death. Dirac is an altered clone of Charles Boutin, a military scientist who betrayed humankind to alien aggressors, and the Colonial Defense Forces' only hope of finding Boutin lies in transplanting his memories into Dirac's brain. When the transplant seems to fail, Dirac is sent to Special Forces, known as the Ghost Brigades for their habit of creating new soldiers from the DNA of the dead. His indoctrination there comes in handy when Boutin's memories begin to surface. Scalzi pays gleeful homage to Ender's Game, The Forever War and Starship Troopers."—Publishers Weekly

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Neuromancer
by William Gibson
Case, a burned-out computer whiz, is asked to steal a security code that is locked in the most heavily guarded databank in the solar system, in a special twentieth anniversary edition of the influential Hugo, Nebula, and Philip K. Dick Award-winning novel.

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Gateway
by Frederik Pohl
The Heechee gateways, remnants of an ancient civilization, provide instantaneous passage to the far reaches of the universe but do not ensure destination, return, wealth, or survival.

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Tunnel in the Sky
by Robert A. Heinlein
High school students enter a time gate to an unknown planet for a survival test, but something goes wrong and they have to learn to survive by their own resourcefulness.

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Fleet of Worlds
by Larry Niven
A brand-new novel set in Niven's Known Space, two hundred years before the discovery of the Ringworld.
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Icehenge
by Kim Stanley Robinson
Robinson's astonishing Mars sequence--"Red Mars, Green Mars", and "Blue Mars"--won the Nebula Award for the first volume and Hugos for the second and third. Clarke), "Icehenge" is the Robinson's first novel set on Mars.


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Lucifer's Hammer
by Larry Niven
“The first satisfying end-of-the-world novel in years . . . an ultimate one . . . massively entertaining.”—Cleveland Plain-Dealer The gigantic comet had slammed into Earth, forging earthquakes a thousand times too powerful to measure on the Richter scale, tidal waves thousands of feet high. Cities were turned into oceans; oceans turned into steam. It was the beginning of a new Ice Age and the end of civilization. But for the terrified men and women chance had saved, it was also the dawn of a new struggle for survival—a struggle more dangerous and challenging than any they had ever known. . . . “Take your earthquakes, waterlogged condominiums, swarms of bugs, colliding airplanes and flaming what-nots, wrap them up and they wouldn’t match one page of Lucifer’s Hammer for sweaty-palmed suspense.”—Chicago Daily News
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Ender's Game
by Orson Scott Card
From New York Times bestselling author Orson Scott Card, Ender's Game—adapted to film in 2013 starring Asa Butterfield and Harrison Ford—is the classic Hugo and Nebula award-winning science fiction novel of a young boy's recruitment into the midst of an interstellar war. In order to develop a secure defense against a hostile alien race's next attack, government agencies breed child geniuses and train them as soldiers. A brilliant young boy, Andrew "Ender" Wiggin lives with his kind but distant parents, his sadistic brother Peter, and the person he loves more than anyone else, his sister Valentine. Peter and Valentine were candidates for the soldier-training program but didn't make the cut—young Ender is the Wiggin drafted to the orbiting Battle School for rigorous military training. Ender's skills make him a leader in school and respected in the Battle Room, where children play at mock battles in zero gravity. Yet growing up in an artificial community of young soldiers Ender suffers greatly from isolation, rivalry from his peers, pressure from the adult teachers, and an unsettling fear of the alien invaders. His psychological battles include loneliness, fear that he is becoming like the cruel brother he remembers, and fanning the flames of devotion to his beloved sister. Is Ender the general Earth needs? But Ender is not the only result of the genetic experiments. The war with the Buggers has been raging for a hundred years, and the quest for the perfect general has been underway for almost as long. Ender's two older siblings are every bit as unusual as he is, but in very different ways. Between the three of them lie the abilities to remake a world. If, that is, the world survives. Orson Scott Card's Ender's Game is the winner of the 1985 Nebula Award for Best Novel and the 1986 Hugo Award for Best Novel. THE ENDER UNIVERSE Ender series Ender’s Game / Ender in Exile / Speaker for the Dead / Xenocide / Children of the Mind Ender’s Shadow series Ender’s Shadow / Shadow of the Hegemon / Shadow Puppets / Shadow of the Giant / Shadows in Flight Children of the Fleet The First Formic War (with Aaron Johnston) Earth Unaware / Earth Afire / Earth Awakens The Second Formic War (with Aaron Johnston) The Swarm /The Hive Ender novellas A War of Gifts /First Meetings

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The Icarus Hunt
by Timothy Zahn
From Timothy Zahn, Hugo Award winner and New York Times bestselling author of two landmark Star Wars® series, comes an original new tale featuring a renegade space pilot, his unusual alien partner, and an unknown cargo that can change the course of galactic history. Jordan McKell has a problem with authority. Unfortunately for him, the iron-fisted authority of the powerful Patthaaunutth controls virtually every aspect of galactic shipping. In order to survive, Jordan ekes out a living dabbling in interstellar smuggling for outlaw concerns that represent the last vestiges of free trade in the galaxy. So when Jordan and his partner, Ixil--an alien with two ferret-like "outhunters" linked to his neural system--are hired by a mysterious gentleman to fly a ship and its special cargo to Earth, they jump at the job. Caution has never been one of Jordan's strong suits. But this time he may have taken on more than even he can handle. The ship, Icarus, turns out to be a ramshackle hulk, the ragtag crew literally picked up off the street, and the cargo so secret, it's sealed in a special container that takes up most of the cramped and ill-designed ship. As if that weren't bad enough, it looks like the authorities already suspect something is afoot, there's a saboteur aboard, and the Icarus appears to be shaking apart at the seams. It doesn't seem as if things could get any worse. That is, until a beautiful crew member helps McKell uncover the true nature of the cargo he's carrying. With his enemies closing in on the lumbering Icarus, the unknown saboteur still aboard, and authorities on Earth pressured to turn them in, McKell and Ixil become fugitives. Their only chance is to stay one step ahead of their pursuers as they try to make it home. A bold and epic novel filled with unrelenting action and a good dose of humor, The Icarus Hunt is a wild hyperspace romp through the galaxy.
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Freehold
by Michael Z. Williamson
A repressive government pursues Sergeant Kendra Pacelli, even though she's innocent. Kendra has built a new life in a society that doesn't track its residents' every move. But Earth's government finds her. Original.