Best Sci-Fi Novels

Elara is rescued from a life of foster care abuse when her billionaire father, Arthur, finds her in a trailer park. Whisked to a lavish mansion, she struggles with deep trauma, eating off the floor and scrubbing rags in gold sinks. While her father seeks to protect her, her brother Harlen shows only contempt. As a medical team arrives on her eldest brother's orders, Elara realizes that her survival depends on navigating a new war within the Bridges empire.

After sacrificing her emotions to escape a failed conquest mission, the protagonist is forced back into action when the system reports an emergency. Her former target, Caspian Stone, is destroying his world to find her. She agrees to a three-month stay in exchange for a massive payout and the restoration of her feelings. However, returning as an emotionless shell only drives Caspian further into madness in this high-stakes LitRPG adventure.

On her seventh anniversary, brilliant designer Danica discovers a devastating truth: her government records have been wiped, and she was divorced four years ago. Even worse, her billionaire husband, Felix Gallardo, remarried that very same day. After witnessing Felix celebrating with his secret new wife, Danica’s world completely shatters. Realizing her entire marriage was a lie, she secures a new identity. She now has just eight days to disappear forever, leaving her past behind.

Born with genius intellect but a fragile body, Levi is deemed useless in a society that worships raw Arcane power. Everything changes during his Awakening ritual when a mysterious gate grants him an unprecedented system. Now able to convert his mental prowess into physical and magical dominance, Levi can even turn defeated dungeon bosses into loyal summons. To rescue his family, he must face invading gods, deadly monsters, and cosmic forces vying for control of Earth.

Amidst humanity's devastating war against the vicious Dalki, superpowered individuals have emerged from the shadows to fight. Quinn, a penniless orphan who lost everything to the conflict, possesses only a strange, sealed book left by his family. Once the relic finally opens, it integrates him into a powerful quest system. He rapidly grows stronger, but his path takes a terrifying turn when the system issues a deadly directive: consume human blood within twenty-four hours or face death.

After eight years of loyalty, Olivia's world shatters when her husband requests a divorce to be with the student she helped sponsor. Terminally ill with only one year left, she quietly signs the papers, hiding her own diagnosis while he begs for her mercy toward his new lover. Olivia returns to scientific research, spending her final days on a clinical trial. By the time he discovers her tragic secret, she is gone, leaving him to face a lifetime of crushing regret.

In a world overrun by zombies, Victor and his wife lived as bitter enemies, bound by a forced marriage and mutual resentment. When the final defense fell, Victor sacrificed himself to save her, leaving her with a haunting final request. Seeking vengeance and a second chance, she destroys their camp and makes a desperate pact with the Zombie King. To secure five years of peace for humanity, she agrees to become his queen, embracing the role of a monster to protect those she once hated.

After an AI forum, a researcher learns her mentor, Dr. Alistair Finch, has arranged her marriage to Caleb Vance, CEO of Vance Industries. Their alliance secures her AI algorithm for Caleb's "Prometheus" project. But when she arrives at their Manhattan engagement party, Caleb's assistant insults her and blocks her entry. Refusing to be humiliated, she issues an ultimatum to her fiancé: respect her, or watch her sell her revolutionary technology to his fiercest competitor.

Derek McCoy’s first life was defined by relentless hardship and a quest for vengeance that ultimately cost him everything. Reborn into a strange universe of magic and beasts, his fractured, cynical soul must navigate a brutal path of survival. Free from heroic ideals, this misanthropic protagonist seeks only personal gain as he evolves. Follow his complex transformation from a grieving brother and infant into an elite soldier, and finally, the legendary Supreme Magus.

In a world of beast-shifters, Jolie is cast aside as a defective female with zero compatibility. After surviving her ex-fiancé’s feral rage using newly awakened plant powers, she flees to a farm. However, the system mandates a new marriage to Keanu Robertson, a lethal assassin who has killed his past wives. When Keanu hunts her down to finish her off, he is met by Jolie's toxic vines. The supposed victim is ready to tame her deadly new husband.

Tsuki, the world’s elite detective, navigates a cosmos shaped by ancient wars and mafia conspiracies. As the dead return seeking justice, he travels through dimensions, using his immense power to solve mysteries of life and death. Now a hero for a stellar organization, Tsuki becomes entangled in the seductive power plays of Darkness, the sovereign of Akropolis. Amidst galactic battles and plans for cosmic control, a dangerous game of manipulation and desire unfolds.

Sebastian Pena spent a decade loathing his wife. After he dies saving her—having rescued her three times before—his family’s bitter regrets confirm the tragedy of their forced union. Three years later, a breakthrough in time travel allows her to return to the past. Determined to fix the mistakes of their shared history, she decides to sever all ties with Sebastian. By staying away, she aims to give him the future he deserves and finally release them both from their misery.

In How to Train a Defiant Incubus, a woman commissions Riven Sterling, a custom-made companion designed to her exact tastes. Despite a month passing, Riven remains strangely distant and avoids her touch. When customer service suggests a malfunction and offers a replacement, she hesitates to give up her ideal match. However, a family dinner reveals the truth: Riven has imprinted on her stepsister, Teresa, who accidentally opened his delivery parcel. Realizing the error, she finally requests a new model.

When a severely scarred, injured woman breaks into her home, the protagonist receives a chilling warning from her future self. Eight years from now, she is ruined. To prevent this fate, she must reject a legal representative role at Jordan Gilbert's firm. On Friday, the company will collapse after her best friend, Nanette Summers, sells substandard food, leaving her to take the fall. Worse, Jordan—who secretly loves Nanette—will abandon her. To survive, she must also keep tomorrow's twenty-million-dollar winning lottery ticket out of Jordan's hands.

I sponsored a young girl's education, only for her to turn around and accuse me of hiding my billionaire husband after she got pregnant with his child. Backed by her furious brother, she demands a divorce or a massive payout, while the internet brands my charity a front for procuring mistresses. They expect me to break, but I can only laugh. If she is truly carrying my husband's baby, I have a groundbreaking scientific miracle on my hands—because my husband is an android.

Framed for a high-stakes crime, a secret government researcher faces a prison sentence after Lorraine Larsen steals volatile radioactive materials. Despite the protagonist's innocence, her own boyfriend refuses to testify, actively plotting her downfall instead. The thieves remain unaware that their stolen cargo is lethal, while the researcher must navigate a web of betrayal and action to recover the dangerous substances before the radiation claims lives in this mystery romance.

AI Architect Elianila helped build a global system to manage resources and prevent disasters. After five years, she finds mysterious X-variables flagging people based on hidden criteria. Her discovery puts her at odds with the authorities, who mark her and her daughter for elimination. Now a fugitive, Elianila joins a group of dissidents to evade surveillance, expose the truth, and challenge the very system she helped create.

After a crash, Christina gains a painful hyper-memory, instantly exposing her fiancé Burke’s affair with her stepsister. She breaks the engagement and demands her mother’s pendant, but Burke’s family treats it like trash. Once she recovers the damaged heirloom, her blood activates the Ghost Protocol within it. This secret archive links to her neural implant, revealing data on her lost husband and giving her the power to destroy those who discarded her.

After a horrific assault, the protagonist of The Girl Who Survived the Night sees a stream of comments appearing in mid-air. While many viewers dismiss her trauma as a romantic script, one warning stands out: do not wash away the evidence. Realizing her life is being watched like a show, she chooses to ignore the disturbing 'fans' and listens to the lone voice of reason. She turns off the shower, deciding to preserve the proof and seek justice in this chilling sci-fi mystery.

After eight years together, Claire Young shatters the protagonist’s world by marrying her childhood friend, Stan. She forces her former partner to cater to Stan’s whims within their own home, demanding he change rooms and stop his baking. As Claire’s social circle mocks his silent endurance and bets on his inevitable return, they remain oblivious to his true plans. Having secured a position in a prestigious national weapons program, he is ready to disappear for good.

Ivy Brooks survived the apocalypse only to be betrayed and killed by her own husband, along with her three daughters. But death isn't the end. She wakes up twenty days before the world collapses, pregnant with her third child and armed with a mysterious system in her mind. Haunted by memories of the future, Ivy moves without hesitation, hoarding supplies, securing weapons, and seizing every resource she can. While others laugh and waste time, she builds an empire with her daughters. To secure her rule, she accepts a marriage offer from a man out of her past, a wealthy ally who provides everything she needs. Together, they carve out a kingdom in the collapsing world. This time, Ivy won't just survive the apocalypse. She will rule it.

Accused of a gruesome murder in Nexford, Wendy is arrested by her own husband, Police Chief Roland Turner. Even as she stands trial, the brutal killings continue, leaving the public demanding her life. Desperate to stop the slaughter and prove Wendy’s innocence, Roland uses a high-tech Memory Decryptor to probe her mind. However, the needles at her temples reveal a truth so devastating that the lawman suffers a total emotional breakdown upon seeing the images.

For five years, Karson Willis served as a surrogate for the man I truly loved. I funded his life until my family replaced me with their biological daughter, leaving me penniless. I soon discovered Karson only valued my wealth, as he publicly mocked our history and flaunted a new lover. After enduring his cruelty and betrayal, he unexpectedly begged for a second chance. I refused him without regret, revealing that he was never more than a mere placeholder.

Ten years after the 715 explosion, Laura Quinn is summoned from the particle database by her former fiancé, Brody Pierce. Accused of taking bribes and causing mass death, her soul is subjected to a public trial to satisfy a vengeful nation. As the crowd screams for her annihilation, Brody prepares to condemn the woman who allegedly betrayed him. However, when the quantum soul analyzer activates, it reveals a pure white essence of absolute goodness, shattering every lie told about her past.