Best Sci-Fi Novels – Read Free Online

Dr. Aris Mercer doesn't believe in magic, only measurable data. Assigned to the high-security Tartarus Blacksite, her job is to map the mind of Subject Zero: Ronan, an ancient Umbra Lord capable of weaponizing shadows. He is lethal, caged behind UV-glass, and slated for dissection. But when Aris connects her neural-monitors, the impossible happens—their brainwaves lock into perfect harmony. Ronan isn't just a monster; he's her biological tether. As her corrupt superiors push to harvest his power, Aris must decide whether to remain a woman of logic, or unleash the god of the dark.

Seraphina Vance rules the underground Obsidian Syndicate with an iron fist and a frozen heart. Untouchable and lethal, she trusts no one—until Kaelen Thorne. Stoic, deadly, and fiercely protective, Kaelen becomes her ultimate weapon and her darkest temptation. But when Seraphina is violently overthrown and thrown into a televised survival arena, she discovers the mastermind watching from the observation deck is the man she almost loved. He wants her ruined. She wants him dead.

For five years, Clara Vance lived in a silent world, acting as the dutiful, deaf wife to tech billionaire Julian Vance and the secret biometric key to his empire. But when a hidden surgery restores her hearing, she walks in to surprise him—only to hear him passionately plotting her ruin with his mistress. Trapped by Julian's control over her comatose father's life support, Clara must play the fool while orchestrating a ruthless revenge.

I made Arthur Sterling the CEO of my family's empire, preferring the shadows. Last night, I watched him steal my father's master encryption drive—and hand it to a pregnant woman. He thinks I'm succumbing to the early-onset dementia he's been secretly drugging me with. He thinks my mind is broken and my empire is his. He's wrong. I am Seraphina Vance, and I don't divorce traitors. I bankrupt them, ruin them, and erase them. And the lethal fixer I should have loved is helping me do it.

Lyra Vance is the secret genius behind Aura Records, a ghost-singer and psychoacoustic composer who built Julian Cross’s empire from the shadows. But when Julian decides to marry his tone-deaf pop-star mistress to secure a mega-merger, he locks Lyra in the basement studio. After Lyra’s sister dies while she is held captive, Julian destroys Lyra’s vocal cords to ensure she can never expose the truth. Mute, broken, and imprisoned, Lyra is forced to compose the ultimate album for her rival. What Julian doesn't know is that her final symphony contains a hidden digital payload—one that will broadcast his crimes to the world and burn his empire to ashes.

For five years, Clara Hayes was the secret wife and ghost-inventor behind Julian's luxury tech empire. But when she crashes his public engagement to a wealthy heiress, Julian brands her a delusional stalker and destroys her life's work. Left with nothing but shattered patents and a broken heart, Clara discovers their marriage was a calculated theft. Now, allied with his deadliest rival, she won't just expose Julian's lies—she's going to dismantle his empire piece by piece.

Locked inside my own lab's radiation chamber, I listened as my husband sold my life's work to foreign spies. He and my protégé left me to burn, planning to frame my death as a tragic accident. But they forgot I designed the lab's explosive failsafes. I survived the fire. Now, framed as a terrorist and disowned by my family, I'm partnering with a ruthless federal agent to expose their lies. They wanted my billion-dollar prototype? Instead, I'll give them absolute hell.