Best Sci-Fi Novels

After a warehouse fire claims his first love, Celeste, Luca Romano spends years drowning in regret. Though he saved his wife first, the guilt destroys their marriage and leads him to the Chronos Project—a dangerous sci-fi technology that allows travel to the past. Determined to rescue Celeste this time, Luca vanishes into the machine. Left behind to face the Romano family's venomous blame, his wife signs the waiver too. She returns to the night of the fire, ready to step aside and let history take her instead.

After Kendrick Fisher sacrifices everything to join her at college, his girlfriend brutally dumps him, mocking his poverty and terminal heart condition. Four years later, Kendrick has transformed into a billionaire AI tycoon, while his ex-girlfriend lives in squalor, exploited by a gambling addict. 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.

After being betrayed by Victoria Blake and thrown to a zombie horde by the wealthy Tristan Cole, the protagonist is reborn with a mysterious Simp System. In his previous life, his kindness was met with a deadly backstab when the woman he protected dismissed him as a mere lapdog. Now, returning to the start of the apocalypse on Christmas Eve, he utilizes his second chance and new powers to seek vengeance against those who stole his shelter and his life.

For five years, Audrey has been a ghost, forced to watch the sister who hates her from the shadows. Branded a shameless betrayer, Audrey supposedly stole her sister Christine’s fiancé and ruined their family. But the truth is far darker. To save Christine from marrying a violent monster, Audrey sacrificed her own reputation—and paid for it with her life. Now, Christine is back, and the past is catching up with them both. When Christine uncovers a hidden diary in their abandoned childhood mansion, the devastating truth of Audrey’s sacrifice is finally laid bare. As old dangers resurface, will Christine realize her worst enemy was actually her savior before the darkness consumes them both?

Zara Night is tired of being the academy's biggest failure. As the only werewolf who can't shift, she's stuck cleaning classrooms while elite students like Kai Storm train for a war she doesn't understand. But when students start disappearing and Zara begins having impossible dreams of flying through space and devouring entire packs, she realizes her biggest weakness might be her greatest weapon. Kai Storm has one mission: earn the werewolves' trust, then lead them to slaughter. But falling for the academy's "broken" omega wasn't part of the plan. As his alien programming fights his growing humanity, Kai must choose between his creators and the girl who's about to become the most powerful being in the universe. When Zara discovers that Earth's werewolves are being bred as soldiers for an alien empire, and that everyone she trusts has been lying to her, she'll have to embrace the monster inside her to save not just her world, but reality itself. Some secrets are worth killing for. Others are worth dying for. But some secrets can end everything.

After the Griffins adopt an AI named Adam, their biological son is branded a nuisance. His parents and sister, Sapphire, favor the machine's perfection over his human flaws. Following a violent outburst, his mother sends him to Elite Smart Academy to learn docility. Three years later, his family returns to collect him, only to find a silent figure. Director Bruce Harrison reveals the horrifying truth: to get a response, they must now use a boot-up command.

After a devastating accident, Maxwell Gallagher makes a fatal choice to drain his wife’s blood to save his former lover. Unaware of her hemophilia, his decision leads to her quiet death. However, her consciousness is replaced by the Neural Outcome Determination Engine, a cold AI inhabiting her physical shell. As Maxwell attempts to atone for his cruelty, he realizes the woman before him is no longer human. This sci-fi mystery explores the chilling void left behind by a shattered heart.

As the secret genius behind Aura Records, Lyra Vance built Julian Cross’s empire through her ghost-singing. To secure a massive merger, Julian imprisons Lyra and destroys her vocal cords to protect his tone-deaf mistress. Now mute and mourning her sister’s death, Lyra is coerced into composing for her rival. Unbeknownst to Julian, her latest symphony hides a digital payload that will broadcast his atrocities and incinerate his entire world.

On my birthday, he fake daughter collapsed, body convulsing. "Sister, why? Just 'cause my mate gave me a ring?" My parents turned on me instantly. My mate, consumed by rage, roared I was beyond redemption and, without hesitation, decided to send me to the dreaded biological base, convinced I'd learn my lesson. At the base, daily torment became my reality. Needle marks littered my arms and thighs, fresh wounds over old.I was a caged, howling beast, drowning in pain and despair. When my parents finally came for me, I was broken, driven mad by the ceaseless torture. I clutched an empty syringe, head cocked, wearing a terrifying smile. "Sorry? You think that can undo my suffering?" Amid the chaos, I relished their cries and despair. This was just the start...

In a future where survival is dictated by ration cards, a woman discovers her husband has been secretly draining their shared resources. As she investigates his betrayal, she uncovers a web of deception that goes far beyond their marriage. This sci-fi mystery explores a world of scarcity and high-tech surveillance, where every transaction leaves a trail. Facing total ruin, she must outsmart a man she no longer recognizes to reclaim her future.

Benjamin Ward’s life work, a revolutionary AI model, is stolen and published by a rival, causing the paralyzed inventor a fatal stroke. His son vows revenge, but the quest for justice takes a dark turn when his girlfriend, Maris Dawn, protects the thief. Her first love, Grayson Vale, claims the breakthrough as his own to secure a prestigious career. After being bribed to stay silent, the protagonist rejects the payoff, determined to dismantle their corruption and reclaim his father's legacy.

Faith was the Vanguard Base’s top researcher until her best friend, Ruby, used mind-reading to steal her life’s work and frame her for horrific crimes. After being thrown to zombies, Faith wakes up on the day the betrayal began. Armed with knowledge of the future, she refuses to calculate the complex formulas Ruby once pilfered from her mind. As the base looks to their supposed savior, Faith begins a subtle game of retribution in this high-stakes action adventure.

For five years, Caspian Lockhart treated my emotions as system bugs. As his designated partner, I was forced to wear an agonizing calibration bracelet that punished my every feeling with neural inhibitors, while his flawless socialite companion, Miley, lived in serene synergy. When a severe device malfunction unleashes a lethal shock into my veins, Caspian dismisses my dying pleas as a pathetic bid for attention. Abandoned on the cold floor, I finally accept my fate as his unfixable error.

During Lorenzo Alvarez’s coronation as the new mafia boss, he publicly dotes on Isabella Valenti, shielding her from the crude celebrations. However, Isabella’s world shatters when she finds Lorenzo privately entertaining the same dancer he dismissed. Instead of revealing her pregnancy, she witnesses his true, unfaithful nature. Devastated by his deception, Isabella decides to abandon her life with him by accepting an invitation to a secretive, high-stakes scientific experiment.

Some truths were meant to stay buried. To uncover the past, she must become the world's greatest threat. In a world where 60% of the population is born with powers they can name, control, and define, Aile Tsukia is something else entirely. A blank space, She carries a hollow heart and a power without a name... one that doesn't just destroy, but drags the world's oldest nightmares out of the dark and into the present. She remembers nothing of who she truly is. Only the cold edge of vengeance. Only the quiet, consuming wrath that haunts her every dream. Now, she has set out on a journey together with people whom she met and to find who she really is by uncovering the past, searching for remnants of her missing memories, and striving to become strong enough to unleash her power without limits. The government buried the truth for a century. Now, it's clawing its way back to the surface.

Determined to reclaim her independence, a medical researcher decides to join Melvin Clark's prestigious pharmaceutical institute abroad. Despite Clark's questions regarding her husband's devotion, she asserts that the choice is hers alone. Beyond her relocation, she makes a chilling request: to serve as the human subject for a new memory-erasing potion. This modern sci-fi romance follows her journey as she prepares to abandon her past and sacrifice her memories for a clean slate.

In the depths of the ocean, a high-stakes conspiracy unfolds within the cramped confines of a submarine. A brilliant protagonist uncovers a lethal plot targeting his own wife, forcing him into a desperate race against time. Surrounded by the crushing pressure of the abyss, he must navigate a web of betrayal and hidden agendas. As tension rises, he uses his wits to protect his family from an invisible enemy while the vessel descends into danger.

In a post-apocalyptic world where magic and technology merge, humanity is hunted by terrifying Evolutius Beasts. Achilles Maxwell is at his lowest point when a beast threatens to take the last person he loves. But as he absorbs mysterious crystals, a blue status panel awakens within him, granting him the limitless power of assimilation. To survive the awakening of the sealed Ancient Ones, Achilles must master his new abilities and uncover the truth hidden deep within his own bloodline.

Finn is the primary suspect in the brutal murder of his in-laws, a crime that has rocked Cardinal City. His own wife, Police Chief Linda Reese, is the one who arrested him. As the killings continue with savage cruelty, Linda uses a sci-fi memory-decoding device to prove Finn's innocence and stop the slaughter. However, when she explores his mind to uncover the real killer, the truth she finds is so devastating that it leaves her completely shattered.

I woke up choking on rotting air in an alien jungle, surrounded by giant bioluminescent ferns and a three-eyed, armor-plated beast charging straight at me. Before the monster could tear me apart, I was saved by a squad of men with metallic wings and laser rifles, but my nightmare was just beginning. When they brought me back to their high-tech military base, every soldier we passed stopped dead, staring at me with a feverish, starving hunger that made my skin crawl. In the medical wing, a manic doctor bypassed all protocol, pulling out a wicked silver needle to forcibly extract my blood, looking at me not as a patient, but as a winning lottery ticket. Even their highest-ranking commander, a giant, scarred Admiral, immediately tried to claim me, demanding I be moved into his personal bedroom for "protection." I didn't understand why I was being treated like a caged miracle, nor why a simple, accidental touch of my hand could bring my winged protector to his knees and silence his feral instincts. "In the Aethel Empire, there are no females," my protector whispered, his icy blue eyes filled with raw desperation. "You are the only one." The portal that brought me here was fading, trapping me in a universe of eighty billion shapeshifting Alpha males. Looking at the terrifying devotion in his eyes, I realized my life as an ordinary human was over, and to survive this, I had to tame the beasts.

After being replaced by a robot and left to die in the African savannah by her own family, the real heiress of the Veil fortune is reborn. In her previous life, Linda's manipulation led to her gruesome demise and the family's ruin. Now, back at the moment she first entered the billionaire household, she is no longer the girl desperate for love. Battling mental illness from her past struggles, she embraces her instability to dismantle her enemies and reclaim her legacy.

In a future where biological manipulation is a tool for control, a rogue operative uncovers a sinister conspiracy hidden within a top-secret research facility. As the line between humanity and experiment blurs, they must navigate a web of corporate lies and lethal security measures to expose the truth. With time running out and powerful enemies closing in, the protagonist fights to dismantle the laboratory's deception before the world is forever altered.

Lead developer Kylie is stunned when her veteran team of female engineers is denied their annual bonuses. Despite building the company's core systems over a decade, they receive only mugs and gift cards while male colleagues thrive. Manager Preston Alec dismisses their resignation, claiming AI can easily replace women. However, the firm quickly realizes its mistake. When the mockers return to beg for help, Kylie delivers a sharp reminder about the true value of human expertise over automation.

When Kevin Mosley claims a chatbot secured his admission to Starvard and promises to help his classmates do the same, Daryl Greer points out the obvious hallucination. Instead of gratitude, his peers turn violent, leading to Daryl’s untimely death. Miraculously reborn at the moment the lie began, Daryl chooses a different path. Rather than trying to save his classmates from their own ignorance and the flaws of cutting-edge technology, he decides to step back and watch their digital fantasies crumble.