Best Sci-Fi Novels

Aile Tsukia is an anomaly in a world where defined powers are the norm. Possessing a nameless, terrifying ability that summons ancient nightmares, she remembers nothing but a cold desire for vengeance. To rediscover her identity, Aile joins a group of companions to hunt for her lost memories. As she seeks the strength to fully unleash her gift, she threatens to expose a dark truth the government has suppressed for a century. The buried past is finally rising.

When Joyce posts a viral panic piece about an imminent asteroid strike, her melodramatic claim seems laughably fake. But the joke is on the narrator when her husband, Chase—an astronomy professor—demands an immediate divorce. Despite knowing the cosmic collision is actually seven years away, he refuses to waste what Joyce believes is their final month together. Realizing her husband will blindly trust his first love's foolishness over their marriage, she gladly grants him his freedom.

After ten years surviving a flesh-tearing apocalypse on Earth, she wakes in a damp alien jungle and is cornered by a two-headed black hound and his armed squad. With her energy drained, fighting elite beast-shifters is suicide, so she hides her S-class killing intent and fakes terrified tears. Instead of death, she finds shock: a wild female is a priceless rarity in a universe where beast-men worship and guard such treasures. She fakes amnesia, plays the helpless victim, and lets their untouchable alpha carry her to his starship, secure her citizenship, and hand her a luxury villa plus a hundred million credits. After a decade of scraps, she finally has a pampered life—now she must ensure these overprotective men never uncover the dormant world-destroying power inside her.

When a mysterious infection turns the dead into monsters and seals the hospital from the outside world, Rachel Adams is betrayed by her boyfriend, Derek, who escapes with his mistress and the hospital's medicine. Left for dead, Rachel is about to be killed when a mysterious Hospital Survival System awakens, naming her the new Hospital Administrator. The hospital becomes her territory, but it's no ordinary place. The Emergency Room warns: never let the lights go out. The Children's Ward demands: never answer when the children call your name. The Morgue forbids opening an empty body drawer. And the ICU commands: never wake the patients. To survive, Rachel must master the rules of each ward while confronting the horrors within—and the betrayal that left her behind.

In a post-apocalyptic world of radiation and zombies, Iris sacrificed everything for her best friend, only to be betrayed by the girl's deadly 'kindness.' After being cast out to rot in the fallout, Iris wakes up one hour before the disaster that ended her first life. Faced with the same moral dilemma and the two detonators needed for survival, she decides to stop playing the hero. This time, she will let her friend's self-righteousness be her own downfall while Iris secures her own path to safety.

In a future where science and passion collide, a devastating fire strips away the facade of a perfect marriage. When the smoke clears, the protagonist realizes her husband’s desperate rescue attempt was never meant for her. Forced to confront a heartbreaking betrayal amidst advanced technology and shifting loyalties, she must navigate the ashes of her old life. This sci-fi romance explores the painful truth behind a love that was merely a lie.

D-list actress with a ruined reputation, I woke up in Vegas married to the untouchable superstar Evander Byers. After he framed me for our encounter, our parents forced us into a marriage contract. Now, this manipulative control freak has invaded my home and frozen my assets. To escape his dark obsession, I joined a reality dating show in Hawaii for the prize money. I thought I was safe, but Evander just bought his way onto the cast to hunt me down on national TV.

In a city where data defines power, underground journalist Mara Quinn, known as Cipher, infiltrates Axiom Industries. She uncovers ORACLE, an AI designed to manipulate global behavior. Kael Draven, Axiom's cold architect, gives her a choice: serve him or vanish. From his fortress, Mara discovers the AI has already toppled empires. As a rival syndicate attacks, Mara and Kael form a tense alliance, facing a system that predicts every move and monitors every emotion.

After surviving a lethal plane crash, I possess rapid healing and telepathy. Four Primal shifters—a wolf, a bear, a cat, and a prince—claim I am their fated mate. Yet, I am a secret lab experiment engineered for all species. With the Council and Resistance hunting me, I must find Cole Ashford’s killer and protect my unborn baby. Though four powerful men support me, the mysterious Silent Claw watches, harboring secrets that could change everything.

Seven years after swapping his human heart for a high-tech mechanical replacement, Zachary Gifford is sued for fraud by his sister, Mildred. She believes he knowingly traded a defective organ for her million-dollar cyborg creation, Orion. When Zachary fails to appear in court, Mildred publicly disinherits him to force a confrontation. Her search leads to a grim factory where she discovers a tragic secret: Zachary died three years prior from cardiac arrest and a horrific industrial accident.

After his robot is stolen by the genius Adrian Cross, River Lowell dies in a suspicious explosion, mocked by the public and betrayed by his girlfriend, Lila Hart. Now, River has been reborn on the day of the National Robotics Championship. To avoid his previous fate, he smashes his creation and withdraws, facing online ridicule while he investigates how Adrian accessed his data. This young adult sci-fi mystery follows River as he seeks the truth behind the deadly sabotage.

After her mentor, Dr. Alistair Finch, arranges her marriage to Vance Industries CEO Caleb Vance, a brilliant AI developer arrives at their Manhattan engagement party. Her proprietary algorithm powers his company's prized Prometheus project, yet Caleb's hostile assistant, Tiffany Blair, bars her at the door, flaunting her intimacy with the groom. Refusing to be humiliated, the genius programmer issues a devastating ultimatum: marry her with respect, or watch her sell Prometheus to their fiercest rival.

To protect her kind, the mermaid Nerissa sought out her childhood friend, Sam, a brilliant scientist. But their brief reunion turned into a nightmare when Sam, blaming mermaids for his parents' disappearance, imprisoned her. For two agonizing years, he has harvested her life force to sustain his new human wife, forcing Nerissa to endure horrific abuse. Yet, Sam claims his cruelty is born of love. With only three days left before her land-bound life ends, Nerissa's silence is her final weapon.

Desperate to clear her debts, Elena accepts a million-dollar contract from the Vance empire. Using neural sync technology, she must impersonate the tycoon Alexander Vance’s sister, Lira. However, the procedure is a trap; Elena is a biological host for the dead woman’s consciousness. As the sync nears a lethal 99%, she must fight the ghost for control of her body. From London to Malta, Elena struggles to survive before her own mind is permanently erased.

After losing her parents, Starla Xander was raised and protected by her uncle, Xavier Lloyd. Her deep gratitude eventually turned into a forbidden love she believed was mutual. However, a confession leads to a cold rebuff, as Xavier condemns her feelings as shameful. To finalize the rejection, he introduces a fiancée on their anniversary. Shattered by his cruelty, Starla abandons her life and contacts her mentor to volunteer for a radical cryogenic preservation procedure.

A master botanist wakes in the body of a D-class exile, dumped on a wasteland planet to die. The original girl starved. The moment she opens her eyes, a scavenger tries to smash her skull for food. Killing him reveals a harsher truth: seeds are A-level strategic resources, monopolized by the Imperium. Then a mandatory genetic scan triggers a galactic broadcast—she is a perfect match for the Imperium's top war hero, General Alexander Orr. The family that erased her suddenly sees a golden ticket, and her cheating ex-fiancé is sent to drag her back. They think she is still weak, but she holds the glowing Life Source Crystals she secretly extracted from the scrap heap. She didn't come to die. She came to build an empire.

After fifteen years, her marriage is dismantled when Oliver reduces their life together to data points for Heartline, an AI romance app. Nicknames, arguments, even a voice note from her darkest hour—all sacrificed as training material. With journalist Theo Mercer uncovering the truth, she must decide whether to expose the betrayal or let Oliver claim her story as his own.

On my birthday, my husband Jensen gifted a priceless heirloom promised to me to his pregnant sister-in-law, Isabella. Forced out of my room by his mother to accommodate his secret heir, I realized Jensen chose his legacy over our marriage. My love vanished, replaced by resolve. After feigning compliance, I faked my death in a yacht explosion. As the world mourned, I messaged my father to signal the start of my revenge. The Logan empire's downfall has begun.

Trapped in an underground garage during a global sandstorm, a woman endures starvation and relentless abuse from her mother-in-law. When her husband signs her up for a deadly supply run, her mother-in-law sabotages her pack with sand, leaving her to suffocate. But death is not the end. When she wakes up in her kitchen before the betrayal, she hears them demanding dinner. This time, she will make sure they are the ones who get buried alive.

After ten years of marriage to AI expert Alex Carter, Emma Shaw’s world collapses. What she thought was a one-night mistake with an intern, Brooke Anderson, escalates into a crisis when a cyber attack reveals Brooke is pregnant with Alex's twins. While the Carter family celebrates the newborns, Emma decides she has had enough. Choosing a new path, she removes her wedding ring and contacts a man known only as S to accept a mysterious, high-stakes collaboration.

Mercenary Holden marries heiress Julia Ramsey to survive a genetic crisis, but her family treats him like trash. Despite saving Julia’s grandfather with kinetic powers, he is insulted and confined. Even his military ex-fiancée mocks him as a parasite, unaware he is a lethal predator. As Julia plots to humiliate him at a yacht party, Holden prepares to dismantle their arrogant world. They see a low-class thug, but he is the city's deadliest underground commander.

After a zombie outbreak, two immune brothers gain the power to command the undead. While one brother chooses to save human captain Muriel Maxwell and enter the protected Bastion, the other remains in the wasteland. Three years later, the outer brother returns for a wedding, only to discover his sibling has been mutilated, tortured, and hung outside the walls as living bait. Now, fueled by fury and the ultimate betrayal, he prepares to unleash his zombie horde and trigger a second apocalypse.

After a devastating sexual assault, the protagonist of The Girl Who Survived the Night prepares to wash away the evidence of her trauma. However, her reality shatters when she sees a stream of digital comments reacting to her life as if it were a fictional drama. While most viewers romanticize her ordeal and predict cliché tropes, one urgent message advises her to preserve the evidence and contact the police. Faced with this meta-horror, she stops the water, choosing to fight back.

Betrayed by the Dawnbreaker squad she led as a brilliant tactician, Alana is discarded for refusing to become a corporate heir's plaything. Her teammates sabotaged her powers for years, leaving her to freeze in the slums. Driven by vengeance, she uses a forbidden blood matrix to summon an Apex-Tier cosmic wolf. When her former allies attempt to torment her again, Alana's new companion reveals its true power, turning the tide of her fate forever.