WriteWriting AppsWord ProcessorWorldbuilding ToolsCharacter CreatorStory PlannerInteractive MapsSoftware PricingGift Campfire
ReadReading AppBrowse BooksBook PricingPublishPublish Your WorkSelf-Publishing TermsContent GuidelinesMarketing Assets
LearnLatest PostsPopular PostsNews & UpdatesInterviewsGenres & TropesSubmit a Post
HelpWriting TutorialsPublishing TutorialsReading TutorialsReport a BugFAQContactAbout UsCampfire Publishing

Privacy PolicyTerms & Conditions
©2018-2025 Campfire Technology LLC. All Rights Reserved

Hard Science Fiction

Hard science fiction is sci-fi that is grounded in reality, where attention to scientific accuracy, technology, and plausibility shapes the outcome of the story.
What is Hard SF?
Related Tropes and Genres
  • Artificial Intelligence
  • Cozy Sci-Fi
  • Dystopia
  • First Contact
  • Found Family
  • Galactic Empire
Share

Top Hard Science Fiction Books

Available on Campfire
The Tempest's Fury
by Ingrid Moon
Published 2025
4.5/5
Game the system. Stick to the plan. Burn the whole world down. Boone is out of time. Drowning in debt, hunted across the stars, and haunted by the people he couldn’t save, he gambles everything on a tenuous future. But as he gets closer to uncovering Chelani’s insidious plans, his execution closes in. He knows his next mission is suicide, but he’ll do anything to take down the empire. Elyon is promised a pardon and a life more luxurious than she could imagine—but it comes with a price. Sent to silence Chelani’s rivals one by one, she carves a path through the empire while convincing herself it’s for Boone. When he vanishes, the illusion shatters. Fueled by vengeance, she brings the storm to the Coalition’s doorstep. The galaxy is about to burn, and neither of them may survive the fire. Third in the award-winning Saxen Saga series, the
The Handler's Gambit
by Ingrid Moon
Published 2023
4.5/5
Play the game. Murder the innocent. Don’t let them see you sweat. Commander Boone’s treacherous secret could save thousands of lives—if he could only escape from the murderous warlord who employs him. He wears his game face while following orders to destroy enemy fleets and handles a reckless assassin with elemental powers. Behind the scenes, he is undermining the warlord’s pursuit of an innocent rival. The duplicity and the horrors are taking their toll. Boone wants out. In a bold gambit, he crafts a plan to escape. But his superiors might be catching on, and the plan is not without its own horrors. With everything working against him, including the woman he thought was his salvation, he may not live long enough to execute it. BOOKFEST AWARD WINNER 2024. READERS’ FAVORITE 5-STAR x3. “One of the best space opera stories I’ve read all year.” — P. Deka, Reader’s Favorite “A fresh take on the classic themes of rebellion and redemption.” —Demetria H., Reader’s Favorite “Loved it! Perfect for fans of Ender's Game, Handler's Gambit contains intricate worldbuilding and gripping action scenes.” — Jodi F., Reedsy Discovery “A stellar piece of science fiction that left me utterly captivated.” — Dustin L., Amazon Space Battles | Biological “Magic” | Ground Assaults Reckless Assassins | Betrayal | Unlikely Allies The Handler's Gambit is a dark, character-driven thrill ride across the galaxy, where the sacrifices made for freedom clash with the indomitable human spirit.
Other Hard Science Fiction Books