Top new sci-fi books out this week: 14 Sep - 20 Sep 2025
Last updated:
September 20, 2025
This week featuring new releases by Ryan La Sala, Rebecca Stead, Claire North, Andrew Pyper, Mason Coile, William Alexander, G.M. Fairy, Jane Handler, Isla Davon, Nikki Payne, Nicholas Binge and many more.
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The Dead of Summer by Ryan La Sala
Stephen King meets Holly Jackson by way of We Were Liars in this action-packed story of queer horror from the acclaimed author of The Honeys!Two days before...Ollie Veltman is finally coming home to the quaint island of Anchor's Mercy after a year away while his mom battled cancer...horror · young-adult · lgbtq · audiobook · fiction · mystery · sci-fi · contemporary · fantasy · season-summer -
![The Experiment by Rebecca Stead]()
The Experiment by Rebecca Stead
Nathan wants to help his people, but first he has to figure out who they are.Nathan never understood what was "fun" about secrets, probably because he’s always had to keep a very big one. Although he appears to be a typical sixth-grader (with parents, homework and a best friend, Victor), Nathan learned at an early age that his family is from another planet...middle-grade · sci-fi · fiction · children-books · children · female-author · dark · young-adult · law-enforcement · book -
![Slow Gods by Claire North]()
Slow Gods by Claire North
From one of the most original and dazzling voices in speculative fiction comes an intergalactic tale of conspiracy, war and the fall of empires. My name is Mawukana na-Vdnaze, and I am a very poor copy of myself. In telling my story, there are certain things I should perhaps lie about. I should make myself a hero. Pretend I was not used by strangers and gods, did not leave people behind...sci-fi · fiction · space-opera · lgbtq · first-contact · aliens · invasion · violent-conflict · book · adult -
![Exiles by Andrew Pyper, Mason Coile]()
Exiles by Andrew Pyper, Mason Coile
A hidden darkness stirs in this locked-room mystery from the author of William.There are many ways to die on Mars. Only one way to find the truth... -
![Sunward by William Alexander]()
Sunward by William Alexander
A cozy debut science fiction novel by National Book Award–winning writer William Alexander, this story of found family follows a planetary courier training adolescent androids in a solar system grappling with interplanetary conflict after a devastating explosion on Earth’s moon.Captain Tova Lir chose a life as a courier rather than get involved in her family’s illustrious business in politics... -
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![Romanced by the Rat by G.M. Fairy]()
Romanced by the Rat by G.M. Fairy
This rat pulls hair and heartstrings. When a science experiment goes wrong, Ramsey wakes up in the body of a rat. Fleeing Fort Pine’s Military Base, he takes refuge in the kitchen of Ratcliffs, a high-end restaurant in Ghostlight Falls. Scavenging for food and dodging danger, he resigns himself to life in the shadows, until she walks through the door...romance · paranormal · reverse-harem · lgbtq · retellings · polyamory · small-town · multi-pov · fantasy · monsters -
![Dream Mates: A Why Choose Omegaverse Fated Mates Romance by Jane Handler]()
Dream Mates: A Why Choose Omegaverse Fated Mates Romance by Jane Handler
Everything I’ve known is a lie–except for the love I have for my soulmate, Wes, and his pack. Ghosts of the past threaten the pack and the life I’m starting to make for myself in a world that isn’t mine. As I unravel the truth about my past–and myself–it could change everything.My love for Wes might span the universe, but is it enough?A love that spans the universe. A second chance at romance...romance · omegaverse · reverse-harem · polyamory · harem · steamy · sci-fi · mystery · plot-twist · fiction -
![Of Blackened Blood by Isla Davon]()
Of Blackened Blood by Isla Davon
This is Book Three of The Blackened Blade series.Blurb will be up soon...romance · fantasy · paranormal · reverse-harem · sci-fi · contemporary · witches-wizards · magic · shapeshifters · demons -
![The Princess and the P.I. by Nikki Payne]()
The Princess and the P.I. by Nikki Payne
An amateur online sleuth must enlist the help of a jaded PI to clear her name while taking down a shady tech start-up in this exhilarating romantic caper.Famed Reddit detective Fiona Addai is great at solving problems—online, that is. Cold cases, reality TV scandals, everyone calls on @Princess_PI...romance · contemporary · mystery · cozy · fiction · fated-mates · suspense · black-mc · crime · sci-fi -
![Extremity by Nicholas Binge]()
Extremity by Nicholas Binge
A time-traveling, end-of-the-world police procedural, Extremity is True Detective if written by Philip K. Dick.When once-renowned police detective Julia Torgrimsen is brought out of forced retirement to investigate the murder of Bruno Donaldson, a billionaire she worked with whilst undercover, she doesn't expect to find two bodies...sci-fi · fiction · time-travel · horror · mystery · crime · 21st-century · action-adventure · book · adult -
![Down to Ursa: A Sci-Fi Adventure Romance by Lissa Sharpe]()
Down to Ursa: A Sci-Fi Adventure Romance by Lissa Sharpe
A sci-fi romance with high-stakes adventure, twisted biotech, outlaw space crews, and a love story written in the stars — and spliced in a lab.Dr. Mina Smithe-Canfield’s life has taken a sharp detour. Once a rising star in mycology, she’s now a prisoner of the infamous Brethren of Blood, a nomadic crew of space raiders...romance · action-adventure · sci-fi · slow-burn · genetic-engineering · fiction · supernatural · book · adult -
![Scars & Starlight by Liana Valerian]()
Scars & Starlight by Liana Valerian
Tara’s life is a battle for survival in the ashes of a fallen world. When her camp is overrun by alien invaders, she braces for the end – until a mysterious new species descends from the sky and obliterates the threat in moments, rewriting the rules of war.The Avaren are terrifyingly advanced and devastating in battle...romance · sci-fi · friends-to-lovers · monsters · dystopia · forced-proximity · fated-mates · aliens · magic · invasion -
![The Illuminated by Alexander Semenyuk]()
The Illuminated by Alexander Semenyuk
Now an international bestseller and winner of Literary Titan award. After the apocalypse comes, the Earth still spins, and for some, it’s not the end but the beginning of a new life. As hard as it is, dreams still exist, and for one lonely man, the dream is seeing the ocean at least once, so he sets off on the most dangerous journey together with his loyal dog...survival · apocalyptic · dystopia · fiction · action-adventure · post-apocalyptic · sci-fi · book · adult -
![Torin: His to Praise: Dominuri Aliens Book Two by Keres Nolan]()
Torin: His to Praise: Dominuri Aliens Book Two by Keres Nolan
I already know I’m a bit of a pushover, I never thought that would change. At least not until Torin fell from the sky and saved me. And when I need someone to help me again, he’s the first to volunteer. But there’s something between us. Something electric and unexpected. For his sake, for his family sake, I have to deny it... -
![Neon Lullabies by J.S. Wilson]()
Neon Lullabies by J.S. Wilson
Are you dreaming? Are you sleeping? Have the neon lullabies worked, or will you join the Awakening?In the Seacity, the sun never shines. While the corporate-ruled utopia of Skycity glistens among the clouds, the sinking underworld of crime, salt water, and eternal night known as the Seacity makes a home among the sunken ruins of a former American metropolis...
