Best Sci-Fi Novels

Mia believed she was building a future with Adam, her seemingly devoted partner. Expecting a spring wedding, she visits his secret property only to uncover a devastating truth. Inside, she finds Adam with another woman, overhearing a chilling conversation. Her entire pregnancy was a calculated plot; Adam deliberately got her pregnant to harvest their unborn child's cord blood to save his mistress. Realizing she and her baby are mere tools to him, Mia faces an unimaginable betrayal.

Manhattan burns under a low fever of sirens as the internet counts down six hours to an asteroid. Alone in the penthouse, ice melting in her glass, she opens a livestream and sees her husband Dominick—shirtless, his watch still on. That screen exposes the truth: he already used her pregnancy to save his mistress. Now, with the world ending, she must decide what to salvage from a marriage built on wealth and lies. In this billionaire romance, the man she trusted becomes the danger she never saw coming.

After completing her mission, she sacrificed her chance to return home to grow old with Daniel Grant, a man seemingly devoted only to her. While he maintains a cold exterior to others, he showers her with absolute tenderness. However, the illusion shatters when she discovers he is secretly offering that exact same love to another woman. Devastated by his betrayal, she summons her system once again with a final, decisive request: it is time to abandon this world for good.

Robotics genius Natalia Williams had her entire life shattered by Aiden, the man she trusted most. Stripped of her groundbreaking invention, devastated by the loss of both her grandfather and her innocent child, she was wrongfully imprisoned for two years. Now free, Natalia is no longer a naive victim. Armed with brilliant intellect and a calculated plan, she steps into the dark underworld of her enemies to expose their deceit, reclaim her stolen legacy, and exact her ultimate retribution.

What would you do if a cosmic entity offered you unlimited power? Clarke, a homeless convict, encounters an alien in a backwater alley and doubts his sanity. Given the chance to become a Bastion—a protector of an entire galactic arm—he tentatively agrees. Pulled into a dreamscape, he’s initiated into a cosmic order and granted mastery over Genesis, the power to create beginnings. But there’s a catch: his full power is locked. To unlock it, he must prove himself through great deeds. Now Clarke must decide how to wield this potential, taking Earth by storm as a hero. Will he rise or fall? He doesn’t know, but he’ll die trying.

After funding her dream medical spa, a woman is pushed to her limit by her freeloading sister-in-law, Deborah, who racks up a $300,000 tab and throws hot tea in her face. With her spineless husband refusing to stand up for her, she is saved by an unexpected video message from her future self. Warned of a trap, she quickly transfers the business to a regular client, Carly Fox. When Deborah returns to exploit the spa with her wealthy friends, she walks straight into a disaster of her own making.

Betrayed by her fiancé, a survival expert is left to die in a brutal blizzard. He gave her life-saving inventions to his lover, Kelsi, before trapping her in a snow pit. Kelsi even destroys her protective suit with her own ice axe. They believe they have won, leaving her for dead in the cold. However, they are unaware of the hidden emergency beacon sewn into her sleeve. With her final strength, she triggers the device to fight for her life.

Lainey and I have been inseparable since birth, sharing a sisterly bond like no other. But when she suddenly claims she has time-traveled from ten years in the future, my first instinct isn't worry—it's to jokingly ask for the winning lottery numbers. When she admits she doesn't know them, I laugh it off. Yet, beneath our playful banter lies a chilling, unresolved mystery story: if Lainey truly journeyed back from a decade ahead, why didn't she do anything to save me from what's to come?

Two years after John Foster’s death, his widow Cecilia receives a shocking video call from his future self. The mystery story takes a dark turn as John confesses to faking his death to be with Cecilia’s friend, Adaline. While Cecilia mourned, John was hiding in plain sight, supported by his mother and son who kept his secret for years. Now, he leaves the choice to Cecilia: continue living as a widow or face the devastating truth of his abandonment.

After Kendrick Fisher works tirelessly to enter a top college, his girlfriend ruthlessly dumps him for the class valedictorian, Daniel. She mocks Kendrick’s sudden poverty and terminal heart condition, leaving him to collapse in agony. Four years later, Kendrick has built a ten-billion-dollar AI empire, while she lives in squalor, exploited by the gambling Daniel. As Kendrick makes a triumphant return to the city, her artificial heart finally fails. Their paths cross one last time when his celebration and her funeral occur at the same hotel.

Legendary gamer Allen, once known as Godlike, finds himself trapped inside the revolutionary VRMMORPG Hell's Gate. Reborn as the game's ultimate villain, Azazel, he must navigate a treacherous battlefield alongside seven skilled female players representing the seven deadly sins. As Allen confronts past betrayals and an old nemesis, real-world and virtual romances blossom with his demonic companions. To claim his revenge and conquer both realms, he must master his dark new destiny.

Eleanor vanishes from an archaeological site, waking in a lethal prehistoric jungle. Saved from a wolf by Jace, a fierce tribal chief, she is claimed as his mate. Her medical skills spark terror when she saves a hunter; a jealous rival and a shaman brand her a witch, inciting a mob to burn her. When her patient recovers, the tribe's fear turns to worship. Realizing survival requires more than luck, Eleanor uses her modern tools to civilize this brutal world.

As humanity wages a desperate war against the vicious Dalki, long-hidden individuals with extraordinary abilities finally step into the light. Left with nothing but a locked, inherited book, orphaned Quinn unexpectedly unlocks a powerful system that completely transforms his life. He grows stronger with every completed quest, but his rapid progression hits a terrifying wall. The system issues a lethal ultimatum: he must consume human blood within twenty-four hours, or face certain death.

Autumn is trapped in a digital nightmare, forced by a ruthless system to play the 'Elite Girlfriend' for Harrison Jennings, a cold, robotic billionaire student. Labeled as expendable cannon fodder, she must maintain academic perfection or face agonizing shocks. While Harrison treats her like faulty software, Autumn eventually snaps. To deter a harasser, she fakes a manic devotion to Harrison's logic, only to find the icy genius watching her with a terrifying new intensity.

After a disastrous World Cup run led to his public disgrace and death, Christian is reborn at the training camp. In his past life, he challenged Coach Hudson's reliance on TactiGenie, a flawed AI system, only to be scapegoated for the team's historic failure. Now, Christian chooses a different path. Instead of arguing against the AI's impossible tactics, he feigns support while faking an injury to escape the impending catastrophe. As the team follows the AI toward certain ruin, Christian watches from the sidelines.

After surviving a brutal zombie apocalypse, Althea and the final one percent of humanity are suddenly transported to an alien world by a mysterious system. Armed with a rare Lord Token, Althea is granted the power to establish a safe territory for her displaced people. But as a pregnant mother-to-be separated from her husband in this strange new realm, she faces her greatest challenge yet: building a secure home for her unborn children while searching for her lost love.

In 2001, just as he prepares to move south for work, a man is confronted by a haggard, gray-haired version of himself from the future. This older self delivers a shocking revelation: his doting mother is actually a stepmother who plans to seize their home's redevelopment payout for his brother, leaving him to die in debt. Armed with winning lottery numbers and strategic financial advice to buy rental properties and gold, he must act quickly to rewrite his destiny and protect his inheritance.

After a month with her custom-designed incubus, Riven Sterling, the protagonist faces a frustrating reality: he remains cold and distant. Despite being tailored to her exact preferences, Riven avoids all physical contact. Customer service suggests a replacement for the malfunctioning unit, but she hesitates to let go of her ideal match. Everything changes at a family dinner when she notices Riven’s reaction to her stepsister, Teresa. Realizing that Teresa opening his delivery parcel caused a bonding error, the protagonist finally decides to exchange the defiant incubus for a new model.

In the midst of a frozen apocalypse, Zach rushes to prevent a fusion core meltdown that threatens his entire shelter. His mission is derailed when Miranda Dunn, the captain's girlfriend, falsely accuses him of attempting to poison the residents out of spite over a room assignment. Despite the control panel spiking into the red, guards ignore Zach's desperate warnings to appease Miranda. With only nineteen minutes until total extinction, Zach must find a way to stop the explosion.

After three years in prison for a crime her husband, Colten, framed her for, Erica Murphy is released only to be struck by a car. As she dies in the hospital, Colten demands she sign away her assets and assume his massive debts. However, the Erica who loved him perishes, and a special ops commander from the future takes her place. Aided by advanced nanobots that repair her broken body, she prepares to dismantle Colten’s empire and exact her cold revenge.

For four years, she believed she was in a parallel world, enduring ninety-nine agonizing surgeries to trigger a system that would take her home. Armed with a unique regenerative ability, she tolerated her billionaire fiancé's horrific experiments. But on the eve of the final procedure, the hypnosis unravels. She learns the system is a lie—a scheme to train his student, Maisie. Now, as they prepare to extract her brain, she realizes this final cut will kill her permanently.

After crashing on an alien world where females are rare state assets, a human woman faces dissection when her DNA reads as a null signal. She fakes amnesia and lets two powerful generals believe she is fragile. Flynn and Enzo Montgomery's obsession turns her villa into a fortress—until their mother threatens to eliminate her to protect royal marriage alliances. The twins rebel, shattering their family and risking war. Hidden behind their protection, she realizes survival demands her own strength.

After paying a hundred thousand dollars for his girlfriend’s bizarre "solo" wedding, a man receives an impossible text message. The sender claims to be his future son, warning him that the woman he loves is a scheming gold digger. Not only is the baby she carries not his, but she has already secretly tied the knot with his best friend. Caught in a web of betrayal and high-tech mystery, he must uncover the truth behind her lies before he loses everything.

It is Jerome Fox’s fifth birthday, and his mother has prepared his favorite corn and short rib soup. But when her husband returns home empty-handed from the preschool pickup, confusion quickly spirals into absolute dread. As she prepares to fetch their son herself, her husband stops her with a chilling revelation that shatters her reality. He claims they have lived a child-free life for seven years. Where is Jerome, and why does her husband insist their only child never existed?