Science Fiction

Secret Lessons, Alien Pursuits, and Cosmic Destinies: Free Fantasy and Science Fiction eBooks

The Hope of Kinfold

The Hope of Kinfold FREE by Matthew Tait: After fame shatters him, musician Adam Lavas retreats to a secluded Adelaide mansion that hides a doorway to another world. When he vanishes, reclusive UFO scholar Alex Barnett follows a strange pull into Olearia, where cosmic forces and shared destiny collide beneath a dark horizon named Kinfold.

This book is Free on June 3, 2026

Kindle
The Cost of Magic: The Gathering Storm before The Intrigue of Magic

The Cost of Magic: The Gathering Storm before The Intrigue of Magic FREE by L. J. Evias: Torvia has one goal: to prove herself as a royal guard. But when a charming older boy offers secret lessons in dangerous magic, her choices spiral out of control. With loyalty tested and power tempting, one wrong move could cost her everything. The Cost of Magic is a dark YA fantasy full of ambition and consequence.

This book is Free on June 3, 2026

Kindle
Quantum Cheeseburger (Star Ascension Book 1)

Quantum Cheeseburger (Star Ascension Book 1) FREE by Jeremy Michelson: One cheeseburger, with a side of armageddon. Driving down a highway in New Mexico, Chris makes a mistake. He stops for lunch. He barely escapes with his life. And, unknown to him, something else. Now, military, mercenaries, and three alien races chase him for the secrets of a dead alien race. A wild, funny start to the Star Ascension series.

This book is Free on June 3, 2026

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The Jovian Universe Science Fiction Series

They Will Be Coming for Us (The Jovian Universe Book 1)

They Will Be Coming for Us (The Jovian Universe Book 1) FREE by Kim Catanzarite: Read the epic story Amazon reviewers are calling "A wild and harrowing tale!" This five-book series begins with a young woman who meets and quickly marries a charismatic astronomer named Andrew Jovian. Little does she know she has become the key to an extraterrestrial’s family prophecy. "No one's doing it like Catanzarite"—IBR (Starred Review).

This book is Free on June 2, 2026

Kindle

Other Books in the series

Jovian Son (The Jovian Universe Book 2) KINDLE
1.99
Bright Blue Planet (The Jovian Universe Book 3) KINDLE
4.99
The Moon Children (The Jovian Universe Book 4) KINDLE
4.99
The Cold Light of Fate (The Jovian Universe Book 5) KINDLE
4.99
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Goddess Awakenings, Animal Revolutions, and Locked-Door Dinners: Free Fantasy and Science Fiction eBooks

The Sundering (The Forgotten Story of Eden Book 1)

The Sundering (The Forgotten Story of Eden Book 1) FREE by Razi Garenbeli: Ellijan is promised in marriage—not for love, but for power. Claimed by fallen angels, marked by an ancient bargain, and bound to a fate she never chose, she soon learns Eden hides dangerous secrets. Three books. One forgotten war. And the one thing the angels never planned for… was Ellijan. And she is about to become everyone’s problem.

This book is Free on June 2, 2026

Kindle
His Forbidden Bargain (Twelve Nights Book 1)

His Forbidden Bargain (Twelve Nights Book 1) FREE by Darcy Fayton: To save her manor from ruinous debt, Kathryn's ruthless vampire stepbrother, Sebastian, arranges for her to spend a night with a wealthy stranger. Sebastian will witness every degrading moment and ensure she follows through—even if she's unwilling. Even if it ruins them both. Because he secretly loves her—and would do anything to keep her alive.

This book is Free on June 2, 2026

Kindle
Claw & Ember (Empire of Claw & Ember 1)

Claw & Ember (Empire of Claw & Ember 1) FREE by S. R. Wren: Magic was forbidden to riders. Hers didn't ask permission. Bonded to a black panther, marked by a wolf rider whose voice landed like he shared her breath, Nyra Marrowen wakes a fire that will make her a goddess, and an empire is already deciding whose hand wears her, before she decides she's no one's to wear.

This book is Free on June 2, 2026

Kindle
A Spell Falls (The Greenheart Village Romances Book 1)

A Spell Falls (The Greenheart Village Romances Book 1) FREE by Rayce Melenee: Cassie never meant to crush a mysterious wizard with Greenheart’s Great Yule Tree. But as winter magic awakens and destiny begins to stir, one clumsy witch may discover the stranger who fell into her life was fated to change it forever. A cozy magical romance full of charm, heart, and winter wonder.

This book is Free on June 2, 2026

Kindle
The Bone Trials (The Hollow Crown Book 1)

The Bone Trials (The Hollow Crown Book 1) FREE by Edward Crewe: A thief. A dying sister. A wall with no gate on her side. For two years Mira has stolen the moss that keeps her sister breathing. Then a courier knocks, and the theft becomes something she never chose. The first book of The Hollow Crown, a spare and haunting fantasy.

This book is Free on June 2, 2026

Kindle
Klareana: The Human Child (Klareana Book 1)

Klareana: The Human Child (Klareana Book 1) FREE by Jonathan Maas: An experiment to increase animal intelligence begins a new world, by ending ours. Read #EOTW tale Klareana FREE June 1 - 5, 2026!

This book is Free on June 2, 2026

Kindle
Vise Manor (The Vinestead Anthology Series)

Vise Manor (The Vinestead Anthology Series) FREE by Daniel Verastiqui: You are cordially invited to dinner, drinks, and MURDER. Eight guests have gathered for Winston Vise's latest demo: a new kind of artificially intelligent, synthetic human. But when the demo goes wrong and the doors lock tight, the dinner party quickly turns into a fight for survival. The doors open at sunrise. Will anyone be left alive to see it?

This book is Free on June 2, 2026

Kindle
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Forbidden Births, Mechanical Beasts, and Apocalyptic Journeys: Free Science Fiction eBooks

Birthright

Birthright FREE by Max Malterer: What if giving birth was illegal? Europe, 2096. Every child is born in an artificial womb and raised by the state. Grace never questioned it—until she met Tom, broke the rules, and made a discovery she cannot share, ignore, or undo. Her country is voting to ban natural birth. For Grace, it's about to become the most personal question of her life.

This book is Free on June 1, 2026

Kindle
Knight of the Broken Table (Knights Tower Book 1)

Knight of the Broken Table (Knights Tower Book 1) FREE by D.H. Aire: To save his kingdom, Sir Harold, the last knight of a poor realm, bordering the Forbidden, must fight a scheming enemy, fight a steam powered dragon, and deal with a changeling dog, all while protecting the secrets of the Knights Tower, which may be the world's last hope. Welcome to the first book of the Knights Tower Series.

This book is Free on June 1, 2026

Kindle
Deadbreak (Deadbreak Book 1)

Deadbreak (Deadbreak Book 1) FREE by Jorge Sanchez: Before Deadbreak, spending my days outrunning corpses and seasoning rodents wasn't on my radar. Now? Archery, looting, the occasional cannibal. Most of my meaningful conversations are with my dog. Don't judge. I'm heading to the Pacific to find my daughter and give the apocalypse the finger.

This book is Free on June 1, 2026

Kindle
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Terradox Science Fiction Series

Terradox (Terradox Book 1)

Terradox (Terradox Book 1) FREE by Craig A. Falconer: They were heading for Venus. Somewhere else found them first. Crash-landing on an uncharted world full of wonders wasn't what anyone had in mind, and the irresistible temptation to explore and conquer the incredible landscape reveals new dangers hiding around every corner...

This book is Free on May 31, 2026

Kindle

Other Books in the series

The Fall of Terradox KINDLE
0.99
Terradox Reborn KINDLE
0.99
Terradox Beyond KINDLE
0.99
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Risky Journeys, Uncharted Worlds, and Final Frontiers: Free Science Fiction eBooks

Peacekeeper: The Complete Series (Sci-Fi Box Sets Books 1-4)

Peacekeeper: The Complete Series (Sci-Fi Box Sets Books 1-4) FREE by Paul Haedo: In this Science Fiction Box Set, you'll find the full story of Xander Martin and the crew of The Calyster.

This book is Free on May 31, 2026

Kindle
Eden's Ring

Eden's Ring FREE by Robert Lary: More than one billion people said yes. They left everything — their homes, their countries, their families, the only world they had ever known — for a one-way door to a paradise planet 1,400 light years away. No return. No communication. They carried what they could carry. They signed the forms. They walked through. Would you?

This book is Free on May 31, 2026

Kindle
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Forgotten Princes, Looming Fogs, and Reborn Gods: Free Fantasy and Science Fiction eBooks

Dystopian Girls

Dystopian Girls FREE by Rodzil LaBraun: Book 1 of 7, Dystopian Girls tells the story of Mason, a well-mannered, timid young man trying to make a new life after a global catastrophe wipes out most of mankind. With healthy males rare, women have to share. The series takes readers on a wild ride of gains and losses, with deep characters that will have them cheering, loving, and hating.

This book is Free on May 30, 2026

Kindle
Evanesced (The Edges of the Sunlight Book 2)

Evanesced (The Edges of the Sunlight Book 2) FREE by A.J. Thornbury: Prosperity and plenty have always blessed the nation of Gelenthrys. Now that the Fog looms grey and dismal, harsh times await its citizenry. Ludleth, exiled across the sea for his mischief, must bear witness to the dying embers of the life that was his by rights, while Althaea, Duchess of Tollisant, will do her utmost to push back the brutal Fog.

This book is Free on May 30, 2026

Kindle
Sword of Sacrifice (Blade of Hylon Series Book 1)

Sword of Sacrifice (Blade of Hylon Series Book 1) FREE by Clayton Wood: Gods die and are reborn as humans — no memories, no power. The Guild of Keepers hunts them for their flesh. Damian is a god reborn. He doesn't know it yet. His father died protecting his secret. The god inside him is waking. The Keeper hunting him has spent his whole life training for this — and will sacrifice everything to succeed.

This book is Free on May 30, 2026

Kindle
Flaws of Decency (Voss's Vipers Book 1)

Flaws of Decency (Voss's Vipers Book 1) FREE by Robert Iannone: He was the prince meant to be forgotten—Darken Voss, the spare heir trained for ceremony, not war. But when a pirate siege shatters planetary peace and takes the one person he loved, Voss must become lethal. Grief sharpens him. Strategy defines him. And from the wreckage rises a leader who earns command not by birthright, but by blood.

This book is Free on May 30, 2026

Kindle
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The Edge Science Fiction Series

Fourth Ward (The Edge Book 1)

Fourth Ward (The Edge Book 1) FREE by S. David Acuff: Book One of The Edge series. Three privileged brats from glorious Skyberia are shot down and stranded in the lawless wasteland known as the lowlands. Their only chance of survival is Kit Ryder— a lethal, foul-mouthed mercenary who will keep them alive for exactly as long as they can pay for her services. Welcome to the Fourth Ward.

This book is Free on May 29, 2026

Kindle

Other Books in the series

The Edge: La Camelote KINDLE
2.99
The Edge: Boneyard KINDLE
2.99
The Edge: Spanish Cession KINDLE
2.99
The Edge: Edge City KINDLE
1.99
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Alien Ambassadors, Viral Nightmares, and Relentless Survival: Free Science Fiction eBooks

Interstellar Refugees Omnibus: A First Contact Trilogy

Interstellar Refugees Omnibus: A First Contact Trilogy FREE by Daniel Ellrick: Alien refugees are coming, and they need an ambassador. Five-Star Reviews from Readers' Favorite Christian Sia: "This omnibus is heart-pounding, and the author creates a compelling heroine in Miharu Nakayama. She is intelligent, humane, and resilient. She is the character who always finds a way...must-read." Asher Syed: "Very highly recommended."

This book is Free on May 29, 2026

Kindle
LZR-1143: Infection

LZR-1143: Infection FREE by Bryan James: A lethal virus sweeps the country, reanimating the dead and turning them into relentless, flesh-eating monsters. Trapped inside a collapsing asylum, disgraced movie star Mike McKnight seizes his chance to escape. But the world outside is worse than he ever imagined. A relentless, edge-of-your-seat thriller with brutal action, shocking twists, and an unforgettable hero.

This book is Free on May 29, 2026

Kindle Apple Books
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