Science Fiction

Engineered Survivors, Weathered Kingdoms, and Hidden Magic: Free Fantasy and Science Fiction eBooks

Cloak of Dragons (Cloak Mage Book 1)

Cloak of Dragons (Cloak Mage Book 1) FREE by Jonathan Moeller: If you like the Dresden Files, Kate Daniels, and Shadowrun, you'll love this urban fantasy adventure! When Nadia is ordered to investigate the murder of a powerful dragon, she must unravel a shadowy conspiracy before it kills her.

This book is Free on August 11, 2026

The Hidden Crown (The Return of Magic Book 1)

The Hidden Crown (The Return of Magic Book 1) FREE by K.E. Blair: The Hidden Crown reimagines popular fairy tales with BookTok popular tropes of today, such as fae, secret pasts, hidden magic, and love triangles. It’s for everyone who grew up watching Disney movies and wanting to read that magic in a fantasy book.

This book is Free on August 11, 2026

A Storm of Her Own Making (The Tempest Throne Book 1)

A Storm of Her Own Making (The Tempest Throne Book 1) FREE by Claire Willowbrook: Senna keeps a "still sky," pressing her grief flat so the storm inside her never wakes—but grief makes weather, and hers could level a kingdom. When a cold immortal on a stolen throne feels a heart's weather for the first time in 400 years, the sky breaks. A slow-burn romantasy of storm-magic and enemies to lovers.

This book is Free on August 11, 2026

Solar Storm (Book 1)

Solar Storm (Book 1) FREE by Marcus Richardson: Solar Storm is a 280-page novel for those wanting a story that relates how the average citizen—not a super-soldier—reacts and adapts in a nationwide grid-down situation, in contrast to his wife, an airline pilot, and his daughter, a college student. It is the story of change, survival, and ultimately the strength of one man’s love for his family.

This book is Free on August 11, 2026

The Final Dawn (Final Dawn Book 1)

The Final Dawn (Final Dawn Book 1) FREE by T.W.M. Ashford: Embark on an epic, page-turning Space Opera as reluctant hero Jack Bishop and his eclectic crew evade hostile alien empires, uncover ancient cosmic conspiracies and fight their way back to a dying Earth.

This book is Free on August 11, 2026

Athena New Cascadia (Athena Book 2)

Athena New Cascadia (Athena Book 2) FREE by D.B. Nap: Engineered to survive. Trained by an android who's kept her alive for twenty years. Now they're crossing post-apocalyptic America — and every settlement they enter has its own verdict on what to do with someone like her. She was built for this. She's becoming something beyond it.

This book is Free on August 11, 2026

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Alien Invasions, Legal Spells, and Moon Mysteries: Free Fantasy and Science Fiction eBooks

Bitten Vampire (The Bitten Chronicles Book 2)

Bitten Vampire (The Bitten Chronicles Book 2) FREE by Brogan Thomas: Dumped, homeless, and running out of options, middle-aged psychic Winifred “Fred” Crowsdale thinks she has finally caught a break when a sentient house offers her and her husky a home. Then a delivery job leaves her transformed into a vampire. Can Fred master her new powers before the hunters find her? A gripping, low-spice standalone urban fantasy.

This book is Free on August 10, 2026

Legally Hexed (The Hex Files Book 2)

Legally Hexed (The Hex Files Book 2) FREE by Kelly Garcia: Bella Hexley had it all: law degree, hubby, kid, until divorce left her broke and battling for custody. Desperate, she borrows money from a demon to open a law firm. But the strings attached land her in the courtroom, prosecuting a man she can’t ignore. Her closing argument? Don’t fall for the defendant.

This book is Free on August 10, 2026

Dangerous To Know (The Chronicles of Breed Book 1)

Dangerous To Know (The Chronicles of Breed Book 1) FREE by K.T. Davies: Breed Blake is a thief-assassin with a year and a day to find a legendary weapon, or face a demon lord's wrath. Backup: a drunk, a child, and a priest sure Breed will save the world. Breed disagrees. Grimdark fantasy, genuinely funny. Shortlisted for the British Fantasy Society Best Novel Award. All 6 books complete, free on Kindle Unlimited.

This book is Free on August 10, 2026

Maiden (Brethren Space Series)

Maiden (Brethren Space Series) FREE by Charles Brass: She wakes from hibernation to find herself alone, injured, and her Creator’s rebellion lost. To escape captivity, her only hope lies in an alliance with former enemies. But her true enemies have learned of her existence. Now, her decisions will determine her future and the fate of all humanity trapped under the Brethren’s oppressive rule.

This book is Free on August 10, 2026

Moon Detective (The Outer Earth Mysteries Book 1)

Moon Detective (The Outer Earth Mysteries Book 1) FREE by J.W. Holmes: On Alpha Colony, the premier human settlement on the Moon, follow Detective Jacques Dubois as he and his new partner Cornelia "Corny" Stevenson do their best to keep the colony and its residents safe in these seven cosy adventures filled with action and mystery!

This book is Free on August 10, 2026

The Ember War (The Ember War Saga Book 1)

The Ember War (The Ember War Saga Book 1) FREE by Richard Fox: An alien drone swarm called the Xaros annihilates every civilization it finds. Earth is next. Our only chance against the threat is the warship Breitenfeld, led by Captain Isaac Valdar. He and his crew must win a war no one is prepared for, against an enemy that has never known defeat. Read the epic military science fiction space opera!

This book is Free on August 10, 2026

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Runaway Princesses, Banished Magic, and Dinosaur Cities: Free Fantasy and Science Fiction eBooks

The Last Leviathan (The Guardians of Farlight Isles Book 1)

The Last Leviathan (The Guardians of Farlight Isles Book 1) FREE by Anacostia Miller: She was a princess turned stowaway aching for the one elusive taste of freedom. He was a pirate captain with old wounds that kept getting torn open. They were both on the run from a kingdom that was built on a legacy of bones.

This book is Free on August 9, 2026

The Starlit Shadow (Starlight and Shadows Book 1)

The Starlit Shadow (Starlight and Shadows Book 1) FREE by Cidney Mayes: A courtesan strikes a dangerous bargain to spy on a rakish fae heir in exchange for her freedom. As attraction blooms between them, they must find a way to restore banished magic to the realm before a coup threatens to rip them, and their world, apart.

This book is Free on August 9, 2026

The Vector Alignment Inconvenience (The Xylar-7 Interplanetary Chronicles Book 5)

The Vector Alignment Inconvenience (The Xylar-7 Interplanetary Chronicles Book 5) FREE by Xylar Seven: The universe is turning invisible backward through time! To stop this atomic disaster, Elena, Mali, and a very lazy Martian must flee 68 million years into the past. Stranded in a high-tech dinosaur city where humans are treated as slow-witted house pets, their only hope is a brilliant baby velociraptor who hasn't even hatched yet!

This book is Free on August 9, 2026

Jack Palmer: A New Order (Jack Palmer Book 1)

Jack Palmer: A New Order (Jack Palmer Book 1) FREE by Dan Batchelor: The first of the Jack Palmer trilogy. Jack Palmer, along with the rest of the world, has revived the news: Aliens are out there. Humans have been deemed worthy enough to join the rest of the universe. However, one man's actions send the fate of humanity on a completely different path. But not all is as it seems...

This book is Free on August 9, 2026

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The Pod Science Fiction Series

The Pod (The Pod Series Book 1)

The Pod (The Pod Series Book 1) FREE by Charles Kohls: In the Pod Series, an AI-managed utopia and breathtaking technology spell the end of society as we know it. The Pod Series presents a chilling vision of the not-too-distant future. Character-driven with danger and intrigue, betrayal and redemption, love won and lost, it delivers a good read.

This book is Free on August 8, 2026

Other Books in the series

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Scattered Worlds, Stolen Artifacts, and Deadly Gods: Free Fantasy and Science Fiction eBooks

Solan (Monsters & Mates Book 1)

Solan (Monsters & Mates Book 1) FREE by Becca Seymour: A fragment of Earth has been torn into a world where monsters rule and humans are prey. Jack's only goal is keeping his nephew alive. Their best chance of survival is Solan—a battle-scarred fire warrior whose fierce protection soon becomes something far more dangerous. A thrilling MM monster romantasy full of adventure, magic, and fated mates.

This book is Free on August 8, 2026

The Courting of Kingdoms (The Unending Kingdoms Book 1)

The Courting of Kingdoms (The Unending Kingdoms Book 1) FREE by R. K. Sampson: A Lightlark meets The Selection romantasy love triangle where thirty women compete to break the curse, marry the prince, and save their kingdom. If only Madeline’s traitorous heart could agree on the right prince…

This book is Free on August 8, 2026

Shadow Academy (The Last War Book 1)

Shadow Academy (The Last War Book 1) FREE by E.K. Frances: Tristan thought his life couldn’t get worse. He was wrong. Kidnapped and imprisoned inside the Shadow Academy, he’s forced to unlock terrifying abilities. In a future where a new generation of humans is emerging and being forged into weapons, survival may cost him his humanity.

This book is Free on August 8, 2026

Descendant of Dragons (The Ring of Worlds Book 4)

Descendant of Dragons (The Ring of Worlds Book 4) FREE by C.S. Harris: The Three finally have the power to save the Ring of Worlds, but the journey home tears them apart. Scattered across worlds and altered destinies, Alex, Imara, and Sirenī must reunite before a spreading corruption destroys everything they love.

This book is Free on August 8, 2026

The Stone God (Indulgence Series Book 1)

The Stone God (Indulgence Series Book 1) FREE by Erin Kellison: When a flood crashes a stone monolith onto Terah Crane’s doorstep, her task is to resurrect the vengeful god trapped inside. Every chip of stone reveals a perilous truth, pulling her into a world of monsters, deadly court intrigue, scheming scions, and betrayal. The gods have plans for her, but they picked the one pawn they can't control.

This book is Free on August 8, 2026

Newearth Progeny

Newearth Progeny FREE by A. K. Frailey: Parenting is never easy, but add an alien scientist with a good heart, a Neanderthal pulled into the wider universe, and a Newearth detective who wants a family without complications, and you have a universe-changer that will last generations.

This book is Free on August 8, 2026

Mars Colony Rescue (Interstellar Refugees Book 4)

Mars Colony Rescue (Interstellar Refugees Book 4) FREE by Daniel Ellrick: 5-star reviews from readersfavorite.com “Zhu Limei shines through her courage and intellect…” -Romuald DZemo “Mars Colony Rescue is brilliantly written…” -Asher Syed “Ellrick does a fantastic job… Highly recommended.” -Pikasho Deka Dead hero is a safe, easy job—but Zhu Limei can’t hide when a comet threatens to trigger an Impact Winter on Mars.

This book is Free on August 8, 2026

The Sundered Stars (The Starborne Saga Book 1)

The Sundered Stars (The Starborne Saga Book 1) FREE by H.E. Bauman: A lucrative contract is supposed to be bounty hunter Mo's path to retirement, but when traitors steal an artifact, she finds herself partnering with soldier Ezra to catch the thieves. As their manhunt tangles them in a web of conspiracies, Mo and Ezra race to stop a threat that could destroy the Federation—if their enemies don’t destroy them first.

This book is Free on August 8, 2026

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Edges Science Fiction Series

At the Edges (Edges Book 1)

At the Edges (Edges Book 1) FREE by S. A. Asthana: Twenty-eight short stories in total ranging from science fiction, thriller, and horror to help you explore the edges of human understanding. Amazon Reviews: "This collection of short stories is phenomenal. Each story is unique, intelligent and very well written." | "Asthana has a stunning ability to make the mundane terrifying..."

This book is Free on August 7, 2026

Other Books in the series

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Hidden Kingdoms, Fateful Prophecies, and Transformed Worlds: Free Fantasy and Science Fiction eBooks

Ring True (Kavin Cut Chronicles Book 1)

Ring True (Kavin Cut Chronicles Book 1) FREE by L. Darby Gibbs: She stumbled into a hidden kingdom. Now, treason is her only way out. The prince is charming and suspicious by turns and determined to fall for her, just so she’ll betray him. But a truth-revealing ring makes every lie perilous, and Kambry’s heart might suffer the greatest risk of all.

This book is Free on August 7, 2026

Winter's Fury (The Furyck Saga Book 1)

Winter's Fury (The Furyck Saga Book 1) FREE by A.E. Rayne: A thrilling six-part epic fantasy series set in a world of warring kingdoms, fearless warriors and mysterious dreamers, where a prophecy warns of impending disaster, and an unstoppable warrior is fated to rise above them all. ★ ★ ★ ★ ★ 'I inhaled this series... it was perfection.'Amazon Review

This book is Free on August 7, 2026

The Weaver's Loom (The Last Death Witch Book 1)

The Weaver's Loom (The Last Death Witch Book 1) FREE by Jessi St John: For readers who loved the gothic atmosphere and voices in One Dark Window and the tension of Heartless Hunter. For fans of Carnival Row and The Discovery of Witches. Edith Ashton is the last of her kind. But the world thinks she’s dead. 1893 London.

This book is Free on August 7, 2026

Mission Earth: The Journey Home

Mission Earth: The Journey Home FREE by Daniel Robinson: One hundred days after humanity's first colony ship leaves Earth, global war silences all communication forever. Two hundred fifty years later, a team of Martian descendants returns home only to discover a world transformed beyond recognition. What awaits them could determine the future of the human race.

This book is Free on August 7, 2026

The Mechanical Man

The Mechanical Man FREE by Isabella Mckay: Perfection is a lie. Destiny is manufactured. Engineered for high-society, socialite Mulberry is exiled to the country after a public scandal. She expects misery, but finds a fierce, hidden cyborg. Now caught between her billionaire fiancé and a mechanical man, she must choose: her crown or her soul?

This book is Free on August 7, 2026

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The Last Cyborg Science Fiction Series

The Last Cyborg (The Last Cyborg Series Book 1)

The Last Cyborg (The Last Cyborg Series Book 1) FREE by T.R. Harris: My name is Alan Ashe, of the Fleet Marines, attached to Cyborg Support Team 148. I was BORN on Sept. 2, 2324. I DIED on Jan. 28, 2351, on the planet Insubri in the Pegasus Spur. I was REBORN on Feb. 17, 2351... as The Last Cyborg. And so begins the epic military sci-fi series by T.R. Harris, author of over 80 thrilling science fiction novels

This book is Free on August 6, 2026

Other Books in the series

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Galactic Intrigue, Daring Witches, and Utopian Questions: Free Fantasy and Science Fiction eBooks

Things of Which We Dare Not Speak (Brittany Spellmaker the Bad Witch Book 1)

Things of Which We Dare Not Speak (Brittany Spellmaker the Bad Witch Book 1) FREE by S.W. Develin: The Black-Eyed Children have returned. But there is a a bad witch in their way. Brittany must stop a pair of undead children with jet black eyes who stalk their victims until they lose their sanity or their lives. When she halts their plans, she becomes their next target. But she has an ally: a shifter her heart remembers from once upon a time.

This book is Free on August 6, 2026

Calm Star (The Carina Reality Book 5)

Calm Star (The Carina Reality Book 5) FREE by R C Ducantlin: You don’t have to start at the beginning. Start where humanity enters galactic society, and every alliance, trade route, and alien gift may conceal a trap.

This book is Free on August 6, 2026

The Chronicles of Jeremiah

The Chronicles of Jeremiah FREE by Tim Jackson: What if humanity—not aliens—was Earth's greatest threat? As first contact ignites political intrigue and interstellar war, a reluctant Old Testament professor is called to warn a united world government before civilization collapses. An epic science fiction thriller of faith, sacrifice, and hope.

This book is Free on August 6, 2026

Human Made

Human Made FREE by Stephen Gnoza: What happens when humanity finally achieves an AI-driven utopia? Boredom. In City 73, citizens are given perfect leisure. While some embrace the endless free time, others flee to the wilderness, or rebel by doing the unthinkable: working with their own hands. A thought-provoking, philosophical sci-fi exploration of purpose.

This book is Free on August 6, 2026

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Hidden Pilots, Awakened Powers, and Royal Revolts: Free Fantasy and Science Fiction eBooks

Tower of Blood and Flame (Fate of the Furycks Book 2)

Tower of Blood and Flame (Fate of the Furycks Book 2) FREE by A.E. Rayne: Tower of Blood and Flame is the second book in the thrilling seven-part Fate of the Furycks epic fantasy series. Enter an immersive world of scheming kings, fearless warriors, and mysterious dreamers, where a long-held secret threatens to destroy not just a powerful family, but every kingdom. (Normally $4.99)

This book is Free on August 5, 2026

The Wayward Anger (The Hungers of Peace Book 1)

The Wayward Anger (The Hungers of Peace Book 1) FREE by Rit Mitra & Porkkodi Ganeshpandian: A wandering mage kills a village official, and a revolution starts. A stymied princess hijacks command, and revolt turns into war. A backward region asks for dignity, and it pays in blood. The Wayward Anger is what remains when power, intelligence, and kindness clash with the world's steel. It lives in the ash and the smoke.

This book is Free on August 5, 2026

The Dragon Lord's Captive Queen (The Queenfire Chronicles Book 1)

The Dragon Lord's Captive Queen (The Queenfire Chronicles Book 1) FREE by Ann Hoeft: Perfect for readers who love enemies to lovers, forced marriage, dangerous magic, wounded dragons, morally gray heroes, fierce heroines, and slow-burn romantasy filled with rebellion and royal intrigue. The Dragon Lord’s Captive Queen is the first book in The Queenfire Chronicles, a complete five-book dragon romantasy series.

This book is Free on August 5, 2026

The Cult of Calladon

The Cult of Calladon FREE by Roland Drake: Fun, fast-paced Sci-Fi action! Freelance space pilot Corbo Mallik is hired by a desperate young girl to track down her missing father. Together with his loyal copilot and Rylee’s robot bodyguard, they set forth in Corbo’s starship. Their pursuit leads them into the clutches of a sinister cult, where Corbo is forced to make a life-changing decision.

This book is Free on August 5, 2026

The Diary

The Diary FREE by John Fennell II: Book One Some secrets can change history. Others can change the future. As boys, John Vacara and his cousin, Harold Huddleston, discover they possess an extraordinary ability unlike anything the world has ever seen. What begins as an impossible gift soon becomes a skill capable of altering the course of history.

This book is Free on August 5, 2026

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