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.

Asset Nightfall, a Ferociously Intelligent Sci-fi Thriller With a Rebel Heart

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The Bottom Line: Ferociously intelligent sci-fi suspense that crackles with a rebel heart. Douglas has never written with more urgency or momentum. Asset Nightfall opens in an interrogation room where legendary hacker Kerstin Ahlers sits before Federation intelligence officers. Now reduced to “Asset Nightfall,” fitted with a neural device and ordered to undertake a mission that is as morally corrosive as it is technically difficult, the Federation regards […]

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Prior Futures, a Hardboiled Sci-Fi Thriller by Dan Kopcow

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The Bottom Line: A hardboiled sci-fi thriller set in a world where evolution is for sale. As Prior Futures opens, Jeremiah Prior stands knee-deep in the turquoise waters of Antigua, staring at the wreckage of his stilted hut after another violent storm. The former New York detective is now an Authentician, a specialist in verifying rare artifacts. Prior has fled a world divided between the

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The Torus Run is the Year’s Best Spy Thriller

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The Bottom Line: Voted the Year’s Best Spy Thriller in the 2025 BestThrillers.com Book Awards. The Torus Run begins in near-future San Francisco, where society’s elite walk with AI “Twins” –  digital doppelgängers embedded in smart glasses that serve as coaches, confidants and much more – while millions lose their jobs. Despite an age of gleaming innovation, danger lurks around every corner.  Against the advice of his

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Extraterrestrial Noir is the Year’s Best Sci-Fi Thriller

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The Bottom Line: Voted the Year’s Best Fantasy & Sci-Fi Thriller in the 2025 BestThrillers.com Book Awards. Extraterrestrial Noir opens on the night of a forecasted meteor shower in suburban New Jersey. The Devine family — husband Connie, wife Maggie, brother Danny and uber-intellectual 12-year-old daughter Mike – gather in the front yard in the hours before dawn to catch a glimpse of the predicted celestial fireworks. However,

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Devil I New 666 Book

666: The Devil I Knew, The Devil I Didn’t Know by Eliade Moldovan

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The Bottom Line: An unforgettable supernatural saga that deftly blurs fact and fiction into something truly original.  666: The Devil I Knew, The Devil I Didn’t Know is unlike any other book you’ll ever read. The concept was borne out of author Eliade Moldovan’s memoir about growing up in Romania during the Cold War. Like a songwriter creating an album, Moldovan prepared 41 stories for the original book, and on the advice

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Colony, a Shockingly Great YA Sci-Fi Thriller by Ron Wolff

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The Bottom Line: A shockingly great YA Sci-Fi thriller that earns its suspense and pays it off repeatedly. Highly recommended for any sci-fi fan.  At a time when establishing an outpost on Mars seems more plausible than ever before, Ron Wolff’s Colony opens – appetizingly so – with a detailed schematic diagram of Hellas Station, a base for human colonization and scientific exploration. What follows next is

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Miles in Time, a Dazzling YA Sci-Fi Thriller by Lee Matthew Goldberg

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The Bottom Line: A dazzling and poignant exploration of time, memory and the fragile courage of youth. Miles in Time opens as Miles Hardy, a 14-year-old aspiring detective living in the sleepy town of Frontier, Iowa, is jolted awake by a bang that seems to fracture reality itself. Dreaming of melting clocks — a clever nod to Salvador Dalí and the book’s time-centric themes — he awakes to find the acrid scent

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At the risk

At the Risk of Recovery, a Futuristic Psychological Thriller by Finn Adair Morgan

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The Bottom Line: A futuristic psychological thriller that will keep readers guessing and gripped until the very end. At the Risk of Recovery opens with a startling confession from a serial killer. The letter, written in the 24th century by Adrian Darrow, and addressed to his local police department, describes some of the names of the victims as well as grisly details about their death. In

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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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