10 of the Best New Sci-Fi Books in August

All-new Karen Lord, Shelley Parker-Chan and James Rollins – these are the most exciting new sci-fi books in August 2023

Alien planets, dangerous beasts and unbearable costs. From sprawling space operas to gripping hard sci-fi and desperate multi-timeline sagas, these are some of the most anticipated new releases among the sci-fi books of August 2023.

Complete with titles, release dates, authors, synopsis and links to pre-order and buy your favourite new science fiction book releases right now…

Awesome New Sci-Fi Books in August 2023

Endangered Species

Charles E. Gannon, 1 August 2023

Book 6 in Charles E. Gannon’s Caine Riordan series. Caine and crew are stranded in uncharted space with no controls or means of communication. They have only 48 hours before the derelict alien ship they are on burns up in the atmosphere of a strange planet. As they attempt a risky planet-fall using cargo drop pods, they discover the perilous dangers of the barren landscape, including carnivorous creatures and primitive, aggressive humans. The remnants of the planet’s cities hint at the presence of the Ktor, humanity’s most dangerous enemy in Charles E. Gannon’s Endangered Species.

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Genres Science Fiction, Hard Science Fiction, Space Opera
Author Charles E. Gannon Home Maryland, US
Publisher Baen Books Buy it e-Book | Print

Cyberpunk 2077: No Coincidence

Rafal Kosik, 8 August 2023

In the world of Cyberpunk 2077, a group of strangers united by blackmail embark on a daring heist in Night City. With secrets of their own, including a renegade, a sleeper agent, a netrunner, a negotiator, a ripperdoc and a techie, they must work together to overcome their differences and complete their dangerous mission. The story unfolds in a neon-drenched city, filled with mysteries and unforeseen challenges in Rafal Kosik’s Cyberpunk 2077: No Coincidence.

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Genres Science Fiction, Cyberpunk, Adventure
Author Rafal Kosik Home Poland
Publisher Orbit Buy it e-Book | Print | Audio

Constant Sorrow

JN Chaney, Terry Maggert, 13 August 2023

The fifteenth book in the Backyard Spaceship series. In a universe filled with hidden agendas and impending conflicts, Van and the Peacemakers find themselves facing a critical choice: how to protect Earth from a secret cabal of humans and their dangerous allies. As Van unveils a long-held secret history, he must rally his crew and confront the challenges that lie ahead. With the fate of the stars at stake, the price of peace becomes a daunting question for Van to answer in JN Chaney & Terry Maggert’s Constant Sorrow.

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Genres Science Fiction, Space Opera
Author JN Chaney & Terry Maggert Home Las Vegas, US
Publisher Variant Publications Buy it e-Book

Tides of Fire: A Thriller

James Rollins, 15 August 2023

In the 23rd instalment of James Rollins’s Sigma Force Novels, Sigma Force faces a perilous mission as an international research station in the Coral Sea becomes the target of a geological catastrophe. With massive quakes, volcanic eruptions, and deadly tsunamis, the team must uncover a secret hidden deep beneath the ocean to save the world from an ancient threat in James Rollins’s Tides of Fire.

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Genres Science Fiction, Adventure, Thriller
Author James Rollins Home Western United States
Publisher William Morrow Buy it e-Book | Print | Audio

He Who Drowned the World

Shelley Parker-Chan, 22 August 2023 

The conclusion of The Radiant Emperor series. In a bid for power and the ultimate prize, Zhu Yuanzhang and Madam Zhang vie for the throne, each with their own ambitions and ruthless tactics. Unbeknownst to them, a new contender, Wang Baoxiang, lurks in the shadows, ready to unleash chaos and fulfil his dark desires. As the battle for supremacy intensifies, the contenders are willing to sacrifice everything, but the cost of victory may prove unbearable in Shelley Parker-Chan’s He Who Drowned the World.

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Genres Science Fiction, Mythology, Alternative History
Author Shelley Parker-Chan Home Melbourne, Australia
Publisher Tor Books Buy it e-Book | Print | Audio

The Blue, Beautiful World

Karen Lord, 29 August 2023 

As the world undergoes profound changes due to climate crisis, humanity becomes the focus of alien civilizations observing Earth. Visionaries like Peter Hendrix, Charyssa, and Kanoa strive to prepare mankind for first contact. Among them is Owen, a pop megastar with an extraordinary ability to connect with people. But as his power becomes uncontrollable, the question arises: Will Owen’s unique gift lead to liberation or result in a terrifying dictatorship? We find out in Karen Lord’s The Blue, Beautiful World.

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Genres Science Fiction, Space Opera
Author Karen Lord Home Barbados, West Indies
Publisher Del Rey Buy it e-Book | Print | Audio

Guardian of Torment

Michelle Manus, 29 August 2023

This book concludes the Nyx Fortuna four-part series. After dismantling the magic blocking her memories, Nyx finds her mind fractured, slipping through different points in her past. Just as she uncovers a lead on the Kumir assassins, her unstable mental state hinders her from joining her friends on a crucial mission. When a memory malfunction and portal magic mishap occur, Nyx is trapped in an alien metropolis, fighting for survival with her erratic memory as her only guide in Michelle Manus’s Guardian of Torment.

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Genres Fantasy, Science Fiction, Urban Fantasy
Author Michelle Manus Home Tempe, Arizona
Publisher Variant Publications Buy it e-Book

The House Of Saints 

Derek Künsken, 29 August 2023

Book 2 in Derek Künsken’s Venus Ascendant series. The House of Saints sees George-Étienne and his children forming The House of Styx to protect the mysterious artefact they’d found on Venus. Protect it from every power-hungry bank, government and organisation on old Earth, as much as from the murderous planet itself in Derek Künsken’s The House of Saints.

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Genres Science Fiction, Space Opera
Author Derek Künsken Home Québec, Canada
Publisher Solaris | Buy it

The Landing

Mary Gentle, 31 August 2023

Aeris Warren-Finch, NASA’s Acting Director, finds herself stranded within an alien dome after multiple unidentified objects change trajectory and land across the planet. With the company of her great-grandmother, an imam, the President, and a bodyguard, they embark on a search for safety and a way back home. As they navigate unfamiliar landscapes, they face dwindling resources and the challenge of determining the correct path amidst the strange and ever-changing geographies in Mary Gentle’s The Landing.

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Genres Science Fiction, Fantasy
Author Mary Gentle Home Barbados, Stevenage, Hertfordshire
Publisher Gollancz Buy it e-Book

TBC Sci-Fi Books in August

Ghost Engine 

Charles Stross, August 2023 (TBC)

Originally slated for July, Charles Stross’s first book in the planned new series, Shining Worlds, titled Ghost Engine is tentatively scheduled with Orbit for some time in August. However, there is no cover or information on this book as yet. 

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Genres Science Fiction, Space Opera
Author Charles Stross Home Edinburgh, Scotland
Publisher Orbit Buy it Print

Plus: 5 Awesome New LitRPG Adventures

Unstable space, long-lost siblings and countdown to extinction. Forge your own destiny in the incredible new LitRPG books in August.

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Note: I try my best to get every bit of info I can, and will keep updating this page all the time. If you know of a book, author, show, channel or event that should be on this list, let me know at elvorne@scifixfantasy.com and I’ll make it happen.


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There’s a bit to explore already, and more coming soon. Enjoy! 


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