Sci-Fi Thriller Books

The best sci-fi thriller eBooks for kindle, nook, iBooks and more, including futuristic fiction, fantasy thrillers with a science fiction angle, and more.

Sci-Fi Thriller of the Year: Project Übermensch by Lonnie Busch

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The Bottom Line: Voted the year’s best Sci-Fi Thriller in the 2024 BestThrillers.com Book Awards North Carolina resident Geoffrey Cannon has a growing reputation as a benevolent healer. He detects illnesses. Like a messiah sent from God, he cures the gravely ill with a touch of his hand. A noted metaphysical author and speaker, he is revered as a source of comfort and hope for people […]

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The Quantum Grail, an Electrifying Page-Turner by J.D. Redvale

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The Bottom Line: An electrifying page-turner with shocking twists and a jaw-dropping conclusion. When forty-five-year-old U.S. Navy Captain John Mitcham gets stood up by his wife at a local restaurant, he assumes she just needs more space. John and Claire, gutted by their daughter’s suicide, have been taking time apart. But when John goes to do a welfare check on Claire, a neighbor informs him

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Cargo Hold 4, a Suspenseful Sci-Fi Thriller by Lonnie Busch

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The Bottom Line: Cargo Hold 4 elevates space horror, deftly replacing jump scares with nerve-racking dread, unforgettable supernatural phenomena and big-payoff action scenes.  For the eight scientists aboard the starship Gretel, space travel is anything but cold and silent. The racket from Cargo Hold 4 — banging, crying, moaning and a guttural vibration – is deeply unnerving, and the spooked crew has various theories on what

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The Best Dean Koontz Books (Updated)

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With more than 100 novels published and a reported 450 million novels sold, Dean Koontz is one of the most popular writers of all time. His novels are characterized by fast-paced plots, richly drawn characters, and an exploration of themes such as good versus evil, the power of love, and the resilience of the human spirit. Koontz’s work often features ordinary people confronting extraordinary circumstances,

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The Delusion, a Wildly Imaginative Conspiracy Thriller by T.O. Paine

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The Bottom Line: A wildly imaginative and often exhilarating conspiracy thriller about jealousy, fear and mass deception. The Delusion opens as Emma Petranova, a thirtysomething psychology researcher, is preparing to attend a prestigious awards banquet. Until now, her life hasn’t gone as she had hoped. Years of toiling under her boss, Dr. D’Angelo Santan has gone publicly unrecognized. All her hopes and dreams seem to rest on

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Stranger in the Valley, an Action-Packed Paranormal Thriller by Gregory Haley

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The Bottom Line: A magical, action-packed paranormal thriller about loyalty and destiny. Fans of Sarah J. Maas and Joe Hill will fall hard for Stranger in the Valley.  Iraq War veteran A.J. keeps his promises, no matter how long it takes to fulfill them. As Stranger in the Valley opens, A.J. is hiking his way through Oregon to fulfill a promise he made ten years earlier – to scatter

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All Hope of Becoming Human, The Year’s Best Sci-Fi Thriller

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The Bottom Line: Winner, Sci-Fi Thriller, The BestThrillers.com Book Awards. Highly recommended. All Hope of Becoming Human opens in rural Georgia as police officers are called to investigate a store robbery. Across the globe, the world is being ravaged by devastating earthquakes, viruses, riots and crime. But there in Georgia, a terrifying and grotesque creature awaits the officers at a nearby farmhouse. And what investigators find later

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The One, a Can’t Miss Sci-Fi Thriller by Edward Miller and J.B. Manas

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The Bottom Line: Miller and Manas will make believers out of sci-fi fans in this can’t-miss thriller. As The One opens, Pastor Luke Remington is on a flight returning from a tour of duty in Afghanistan as a Navy chaplain. On his journey home to see his wife and daughter, he’s recognized by a wounded soldier whose life he saved in an act of immense bravery. But

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The Return, a Visionary Metaphysical Thriller by Anna M. Elias

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The Bottom Line: An intensely imaginative, evocative and visionary work of metaphysical fiction.  As the third book in The Vessels series opens, former Pittsburgh detective Tal Davis grieves her former partner Jake and recalls what it was like to be alive before she became a spirit. “Even eternity took a minute to get used to,” she muses just before transporting to a place where she can see and hear

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Prime Directive, a Wildly Entertaining Sci-fi Thriller by Casey Dorman

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The Bottom Line: A wildly entertaining sci-fi thriller that feels both timely and essential.  The crew of the starship Delphi, whose mission is to explore the galaxy, look for life forms and establish contact, appear human enough. But the ship’s captain, Hero, its cultural liaison, Ezekiel, and others are actually “artificial intelligences” called Solarians. Having been created by humans who were wiped out by a

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