Best Sci-Fi Novels

Desperate for a fresh start, Lola joins a million-dollar scientific trial requiring her to inject werewolf DNA and search for the mythical beasts. But the easy payday vanishes when she is thrust into a wild mate hunt and claimed by Noah Grey, the tyrannical Alpha of the Grey Oak pack. Although she despises everything about him, Lola must navigate their intense clash of wills while uncovering dark, hidden conspiracies. Soon, she must choose between her cash prize and the ultimate temptation.

Giselle Foster has returned from the future, using her knowledge to convince her family that a zombie apocalypse is imminent. Believing her warnings, the protagonist’s parents borrow heavily to construct an impenetrable bunker. As Giselle mocks her for being cast aside, the protagonist quietly provides the military with a zombification antidote, neutralizing the threat before it begins. Now, the family is left with massive debts and no global disaster to justify their actions.

After nine years of marriage, Harry sits alone in his quiet living room and makes a life-altering choice. He reactivates a mechanical system to submit a formal application to exit his current reality. The system confirms his request, granting him seven days before the space-time corridor opens to take him away. Despite the warmth shown in a family photograph of his wife and young daughter, Harry is prepared to leave everything behind as his final countdown begins.

High schooler Seamus expects a bright future until a video call connects him with his self from ten years later. This sci-fi romance novel takes a dark turn when his future counterpart reveals a devastating conspiracy. His girlfriend, Zoe, and best friend, Johnny, have orchestrated his academic failure using vanishing ink on the SATs. Instead of success at Harland U, Seamus faces a cycle of betrayal and humiliation that destroys his life and relationships.

Elite agent Alivia Sanford wakes up in a beastman world, trapped in the obese, diseased body of a hated woman. After a failed forced mating attempt, she faces five hostile warriors who want her dead. A system demands she seduce them to survive, but Alivia refuses to grovel. Using bio-manipulation to purge her toxins and transform her shell, she rejects the cruel Alphas. She will reclaim her power and thrive on her own terms, making her enemies regret their scorn.

After enduring a decade of the apocalypse, Hayley Reid is betrayed and sent back in time to two weeks before the world falls. While her greedy family tries to swindle her out of her home, she sells it cheaply to focus on building an elite sanctuary using a powerful base system. As society collapses into zombie-filled chaos, Hayley thrives within her steel fortress. While others starve and struggle for safety, she lives in luxury, turning a global catastrophe into a personal paradise.

After a crash, Jacob prioritizes Cassandra over his wife Alexia, whose mangled hand loses the ability to play piano due to delayed surgery. While Jacob coddles Cassandra, she steals Alexia’s music and son’s love. Realizing she is merely collateral damage, Alexia stops seeking his affection. When the Vienna Conservatory offers an escape, she leaves divorce papers and a negligence report behind, finally choosing her own future over his neglect.

During a tense dinner, a pregnant woman is about to share her happy news with Arnold Burton when a falling chandelier nearly crushes them. After throwing herself to save him, she is left bleeding from the shattered glass. But the physical pain is nothing compared to the shock of a strange, mechanical voice. The announcement congratulates Arnold for passing a test and winning her heart, declaring that his childhood sweetheart, Avril—comatose for five years—will finally awaken.

After eighteen years, Wanda finally reunites with her billionaire parents, only to find herself an outcast. Her family and former fiancé choose to embrace Jillian, a fake heiress, even as Wanda suffers from a life-threatening car accident. Realizing she has no place in their home, Wanda accepts a confidential five-year satellite research mission. As she vanishes into the space agency's project, her family suddenly realizes their mistake and begins a desperate search.

After her parents fund her luxury medical spa, a woman is pushed to her limit by her freeloading sister-in-law, Deborah, and a spineless husband who refuses to stand up for her. Just as a physical confrontation is about to erupt, she receives a shocking video message from her future self ten years down the line. Armed with future warnings, she quickly transfers the business to a regular client, Carly Fox. When Deborah arrives to seize control, she walks straight into a devastating trap.

After her passing, a woman becomes the subject of the world's first successful memory retrieval experiment. As her life is broadcast live online, her father reacts with cold disgust, prioritizing her stepsister Zoe’s wedding to her former fiancé, Cameron. He views her as selfish and unworthy of attention, yet the unfolding footage tells a different story. By the time the broadcast reveals the heartbreaking reality of her life, his regret comes too late to bridge the gap between life and death.

After waking from a fifty-year cryonics experiment with her youth intact, Zoe seeks to reconnect with her now-wealthy brother. However, strange digital comments warn her that the Slater family empire is a deadly trap. When Michael Shaw proposes marriage to protect her, Zoe discovers he is manipulating her through a hidden system. This sci-fi romance follows Zoe as she navigates a modern world of corporate greed and litrpg elements to uncover the truth behind her family and Michael's deception.

After his closest friend betrayed him and stole his future, Damon was left crippled and ruined. But a mysterious regression sends him back to the launch of Earth Online. Armed with future knowledge of hidden exploits and the sealed bloodline of the first Vampire King, he abandons fair play to become an apex predator. Yet as Damon hunts his betrayers, he uncovers a dark truth: this immersive game holds the key to humanity's survival, and a looming catastrophe threatens everything.

For years, Cecil Delgado blamed his violent outbursts on mental illness, begging for forgiveness after destroying eight of his partner's pregnancies. Out of pity, she stayed. But during her ninth pregnancy, the billionaire reveals a horrific truth: he faked his madness. Alongside Vivian Abbott, he used the lost fetuses to harvest stem cells for Ruby Mercer's leukemia. Now that Ruby is cured, Cecil demands she bear this last child as a plaything. But her hidden system has just declared her mission failed, initiating a terminal countdown.

As the apocalypse looms, my reborn wife makes a shocking move. She brings her male assistant into our home, evicts me from The Villa, and seizes the survival supplies I painstakingly stockpiled. To make matters worse, her assistant begins borrowing massive sums of money from friends, online lending platforms, and dangerous loan sharks, spending it all with absolute recklessness. Instead of fighting back immediately, I stand aside and quietly observe their foolish actions as doom approaches.

After being left to die under earthquake rubble by his wife, a rescue leader who prioritized her frail lover Felix, Jonathan decides to sever their ties. A soldier by trade, he channels his grief into a high-stakes National Science Foundation chip research project. This sci-fi mission demands six years of absolute isolation in a mountain base. With only one month left to finalize his departure, Jonathan prepares to vanish from his old life to serve his country in total secrecy.

Three years into a global heatwave apocalypse, Nora and her husband Rhett live comfortably in an underground city they helped fund. Their security is shattered when Rhett brings a sickly woman named Anna from the slums to their home. To accommodate her under strict population laws, Rhett forces Nora to take Anna's place in the harsh Level Three district. Devastated by the betrayal, Nora decides to abandon her marriage and join a dangerous project on Level One to save the planet.

In the modern sci-fi story Replaceable by AI, Huh?, lead developer Kylie and her veteran team of women are denied bonuses despite building the company's core systems. Manager Preston Alec insults their value, claiming AI can easily replace them. After Kylie submits mass resignations, the firm’s infrastructure begins to fail. The very men who mocked their contributions are soon forced to beg for their return, proving that some expertise cannot be automated.

Thirty years ago, a billionaire sacrificed his fortune to cryogenically freeze his true love. Now, he demands his wife donate a kidney to facilitate the woman's revival. Despite the protagonist's failing health, her own son labels her selfish for refusing. Driven by obsession, her husband forces her into surgery to perform the transplant himself. However, he is met with a gruesome discovery upon cutting her open: she had already secretly sacrificed a kidney to save his career years prior.

After a decade of devotion to her marriage, a dedicated wife is completely cast aside when she brings Caroline Dickerson, a student she sponsored for three years, into her home. Flawlessly behaved and emotionally calibrated, Caroline quickly captivates the husband and in-laws, who eagerly demand a divorce while launching a cruel public smear campaign against the wife. Little do they know, this perfect rival is entirely artificial—and the betrayed wife holds the master controller.

After Kendrick Fisher faints from heartbreak and illness, his former lover disappears into poverty. Four years later, Kendrick has conquered the tech world with a ten-billion-dollar AI company, while his ex-girlfriend dies in a cold dormitory, ruined by the man she once pretended to love. As Kendrick returns for vengeance, he is unaware that her artificial heart has already failed. Their paths cross one last time when his victory party and her wake are held at the same hotel.

Stranded in the brutal Beast World after a system anomaly, Fallon is rescued from a monster by Justice, a lethal snake-shifter. With the deadly wind season looming, she must survive a primitive land where females are mere commodities. Though her initial storage skill seemed useless, her grandmother's necklace unlocks a massive dimension. Now, Fallon and her fierce protector must combine her secret cheat and his apex strength to conquer this savage new realm.

Luke regains consciousness inside the body of the Female Lead's ex-husband, a throwaway character in the original story who is destined to die within a single year. Once exploited by merciless corporations and ancient bloodline families, he was meant to be cast aside and forgotten. Yet everything shifts when a mysterious second awakening bestows upon him an ice ability bound to Time and Space. Refusing to accept the ending written for him, Luke resolves to endure, grow stronger, and secretly reshape the narrative. But the plot is already unraveling: ancient powers are waking, hidden forces are moving, and the world is racing toward ruin. The only one who knows how his story truly ends is the man who was never meant to survive it.

Betrayed by her fiancé during a lethal blizzard, a survival expert is left for dead. After handing her life-saving gear to his new lover, Kelsi, he abandons her in a snow pit. Kelsi even destroys her protective suit to ensure her demise. They depart, convinced of their victory, unaware she has a hidden trump card. With her final strength, she activates a secret emergency beacon sewn into her sleeve, turning the tide against their cruel abandonment.