Alternate History Science Fiction: Top 10 Best Books

Alternate history science fiction is a genre that explores the intriguing “what if” scenarios, where pivotal moments in history are altered, leading to fascinating new realities. It allows readers to immerse themselves in a world where history took a different turn—imagining alternate realities, different outcomes, and surprising consequences. If you’re a fan of this genre or just getting started, here are the top 10 best alternate history science fiction books that will captivate your imagination and leave you wondering what could have been.

Author: Alex Stone

Alex Stone is a speculative fiction enthusiast who has spent years exploring alternate realities through literature, sharing his passion for history with a twist.


10. The Alchemist: A Portal Progression Fantasy Series

Author: Roman Romanovich
⭐ 4.8 out of 5 stars (71 ratings)
The Alchemist: A Portal Progression Fantasy Series

This novel expertly blends elements of alternate history science fiction with portal progression, transporting readers to alternate worlds where history diverged in surprising ways. Roman Romanovich masterfully creates a rich universe filled with twists and turns that keep readers hooked from the start.

Why You’ll Love It

For fans of both alternate history and fantasy, this book offers the best of both worlds. With a strong character arc and inventive world-building, you’ll be immersed in an entirely new historical timeline.

Fun Fact

Roman Romanovich drew inspiration from his studies in medieval history, blending real historical figures with fictional elements.

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9. The Once and Future Witches

Author: Alix E. Harrow
⭐ 4.5 out of 5 stars (9,929 ratings)
The Once and Future Witches

Alix E. Harrow takes us into an alternate history where witches exist and fight for their rights alongside the suffragettes in 1893. The alternate timeline is meticulously crafted, and the fusion of historical events with magic makes this a truly unique read in alternate history science fiction.

Why You’ll Love It

This book is for those who enjoy a mix of history, feminism, and fantasy. Harrow’s lyrical writing and captivating characters create a world that feels both familiar and fantastical.

Fun Fact

The author won the Hugo Award for her previous work, “The Ten Thousand Doors of January.”

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8. 11-22-63: A Novel

Author: Stephen King
⭐ 4.6 out of 5 stars (286 ratings)
11-22-63: A Novel

What if you could stop the assassination of JFK? In this gripping alternate history science fiction novel, Stephen King explores the impact of changing one of the most pivotal events in American history. The result is a thrilling narrative of time travel, suspense, and moral dilemmas.

Why You’ll Love It

King seamlessly combines historical research with speculative fiction, creating a masterpiece that is both thought-provoking and emotionally resonant.

Fun Fact

Stephen King spent years researching the assassination of JFK, making this novel not only imaginative but grounded in real events.

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7. World War Z: The Complete Edition: An Oral History of the Zombie War

Author: Max Brooks
⭐ 4.5 out of 5 stars (25,317 ratings)
World War Z: The Complete Edition: An Oral History of the Zombie War

Max Brooks’ World War Z takes place in an alternate timeline where a zombie apocalypse changes the course of global history. Told through interviews and oral accounts, this book offers a unique perspective on how humanity might respond to a worldwide crisis.

Why You’ll Love It

This is an intelligent and well-structured take on the zombie genre, with an emphasis on geopolitical consequences rather than mere survival.

Fun Fact

Brooks, the son of legendary comedian Mel Brooks, used his father’s insights into satire and history to shape this alternate timeline.

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6. Dark Stranger The Dream (The Children Of The Gods Paranormal Romance Book 1)

Author: I. T. Lucas
⭐ 4.2 out of 5 stars (21,623 ratings)
Dark Stranger The Dream

I. T. Lucas combines alternate history science fiction with paranormal romance in Dark Stranger The Dream. This novel explores an alternate world where gods walk among humans, leading to a fascinating mix of mythology and history.

Why You’ll Love It

The blend of romance, mythology, and alternate history offers a unique reading experience, making it a hit for fans of cross-genre stories.

Fun Fact

I. T. Lucas was inspired by ancient mythology, weaving gods into this alternate version of Earth.

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5. Candy and Her Saints: Pack Bonds Omegaverse

Author: Rosemary A Johns
⭐ 4.4 out of 5 stars (365 ratings)
Candy and Her Saints

In this alternate history science fiction novel, the world is governed by strict pack bonds, where survival of the fittest reigns. Rosemary A Johns imagines an alternate timeline where hierarchical structures dictate society, leading to intense power struggles.

Why You’ll Love It

Fans of dystopian and alternate history genres will enjoy this well-crafted world where societal norms are flipped, creating a suspenseful and emotional narrative.

Fun Fact

Rosemary A Johns is known for her dark fantasy novels, and this is her first foray into alternate history science fiction.

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4. Ghost in the System (Book 1): An Apocalypse LitRPG Series

Author: Alexey Kovtunov
⭐ 4.3 out of 5 stars (304 ratings)
Ghost in the System

Ghost in the System explores an alternate future where a digital apocalypse reshapes humanity. Alexey Kovtunov paints a picture of a world dominated by digital overlords, where alternate histories are created with every decision made in cyberspace.

Why You’ll Love It

This book is a perfect blend of alternate history science fiction and LitRPG, offering readers a fresh take on virtual realities and apocalyptic futures.

Fun Fact

The author worked as a game developer, and his expertise shines through in the intricate virtual worlds he creates.

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3. Lost in Time

Author: A.G. Riddle
⭐ 4.4 out of 5 stars (22,952 ratings)
Lost in Time

This gripping alternate history science fiction novel takes readers on a journey through time. A.G. Riddle imagines a world where time travel is possible, but the consequences of altering the past could unravel the entire universe.

Why You’ll Love It

The emotional depth and high-stakes action make Lost in Time a must-read for fans of time travel and alternate history stories.

Fun Fact

A.G. Riddle has written over 20 science fiction novels, many of which explore different facets of alternate history.

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2. Mark’s Magic (Fat Man’s Gift Book 1)

Author: Jerry Boyd
⭐ 4.5 out of 5 stars (2,722 ratings)
Mark's Magic

In Mark’s Magic, Jerry Boyd weaves an alternate history science fiction tale where magic replaces technology as the driving force behind civilization. This novel blends humor, action, and adventure in an alternate reality filled with magical possibilities.

Why You’ll Love It

Boyd’s clever writing and engaging world-building make this a standout in the genre, perfect for readers who love their alternate history with a touch of magic.

Fun Fact

The author originally started this series as a self-published work before it became a best-seller.

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1. The Alchemist: A Portal Progression Fantasy Series

Author: Roman Romanovich
⭐ 4.8 out of 5 stars (71 ratings)
The Alchemist: A Portal Progression Fantasy Series

Topping our list is The Alchemist, a portal fantasy set in an alternate history science fiction universe. Roman Romanovich creates a complex world where historical events shift, leading to new realms of magic, power, and mystery.

Why You’ll Love It

The rich storytelling and intricate plot make this an unforgettable journey into an alternate universe. It’s a must-read for fans of both history and science fiction.

Fun Fact

Romanovich is a historian by training, which shines through in his detailed world-building and historical accuracy.

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