12 Speculative Fiction Adult book series

Adult book series

Adult book series

This post is all about Adult book series, especially the Speculative Fiction kind. Adult Fiction is very different from Young Adult or New Adult fiction in many ways. It’s more graphic, the world building way more intricate and elaborate and the characters go through more challenging times and struggles. Adult fiction does not immediately mean that the main characters will all be adults, but it’s written to a more adult audience. These adult book series contain graphic sex, (usually) a lot of blood and cursing – which I like. If you want to read more speculative fiction adult book series, this post is a great way to start!

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1. The Broken Earth by N.K. Jemisin

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the fifth season

Book 1: The Fifth Season

This is the way the world ends. Again.
Three terrible things happen in a single day. Essun, a woman living an ordinary life in a small town, comes home to find that her husband has brutally murdered their son and kidnapped their daughter. Meanwhile, mighty Sanze — the world-spanning empire whose innovations have been civilization’s bedrock for a thousand years — collapses as most of its citizens are murdered to serve a madman’s vengeance. And worst of all, across the heart of the vast continent known as the Stillness, a great red rift has been torn into the heart of the earth, spewing ash enough to darken the sky for years. Or centuries.
Now Essun must pursue the wreckage of her family through a deadly, dying land. Without sunlight, clean water, or arable land, and with limited stockpiles of supplies, there will be war all across the Stillness: a battle royale of nations not for power or territory, but simply for the basic resources necessary to get through the long dark night. Essun does not care if the world falls apart around her. She’ll break it herself, if she must, to save her daughter.

Source / Add it to your shelf on: Goodreads

2. The Poppy War by R.F. Kuang

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The Poppy War

Book 1: The Poppy War

When Rin aced the Keju—the Empire-wide test to find the most talented youth to learn at the Academies—it was a shock to everyone: to the test officials, who couldn’t believe a war orphan from Rooster Province could pass without cheating; to Rin’s guardians, who believed they’d finally be able to marry her off and further their criminal enterprise; and to Rin herself, who realized she was finally free of the servitude and despair that had made up her daily existence. That she got into Sinegard—the most elite military school in Nikan—was even more surprising.
But surprises aren’t always good.
Because being a dark-skinned peasant girl from the south is not an easy thing at Sinegard. Targeted from the outset by rival classmates for her color, poverty, and gender, Rin discovers she possesses a lethal, unearthly power—an aptitude for the nearly-mythical art of shamanism. Exploring the depths of her gift with the help of a seemingly insane teacher and psychoactive substances, Rin learns that gods long thought dead are very much alive—and that mastering control over those powers could mean more than just surviving school.
For while the Nikara Empire is at peace, the Federation of Mugen still lurks across a narrow sea. The militarily advanced Federation occupied Nikan for decades after the First Poppy War, and only barely lost the continent in the Second. And while most of the people are complacent to go about their lives, a few are aware that a Third Poppy War is just a spark away . . .
Rin’s shamanic powers may be the only way to save her people. But as she finds out more about the god that has chosen her, the vengeful Phoenix, she fears that winning the war may cost her humanity . . . and that it may already be too late.

Source / Add it to your shelf on: Goodreads

3. Crescent City by Sarah J. Maas

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House of Earth and Blood

Book 1: House of Earth and Blood

Bryce Quinlan had the perfect life—working hard all day and partying all night—until a demon murdered her closest friends, leaving her bereft, wounded, and alone. When the accused is behind bars but the crimes start up again, Bryce finds herself at the heart of the investigation. She’ll do whatever it takes to avenge their deaths.
Hunt Athalar is a notorious Fallen angel, now enslaved to the Archangels he once attempted to overthrow. His brutal skills and incredible strength have been set to one purpose—to assassinate his boss’s enemies, no questions asked. But with a demon wreaking havoc in the city, he’s offered an irresistible deal: help Bryce find the murderer, and his freedom will be within reach.
As Bryce and Hunt dig deep into Crescent City’s underbelly, they discover a dark power that threatens everything and everyone they hold dear, and they find, in each other, a blazing passion—one that could set them both free, if they’d only let it.

Source / Add it to your shelf on: Goodreads

4. Mistborn by Brandon Sanderson

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The Last Empire

Book 1: The Final Empire

For a thousand years the ash fell and no flowers bloomed. For a thousand years the Skaa slaved in misery and lived in fear. For a thousand years the Lord Ruler, the “Sliver of Infinity,” reigned with absolute power and ultimate terror, divinely invincible. Then, when hope was so long lost that not even its memory remained, a terribly scarred, heart-broken half-Skaa rediscovered it in the depths of the Lord Ruler’s most hellish prison. Kelsier “snapped” and found in himself the powers of a Mistborn. A brilliant thief and natural leader, he turned his talents to the ultimate caper, with the Lord Ruler himself as the mark.
Kelsier recruited the underworld’s elite, the smartest and most trustworthy allomancers, each of whom shares one of his many powers, and all of whom relish a high-stakes challenge. Only then does he reveal his ultimate dream, not just the greatest heist in history, but the downfall of the divine despot.
But even with the best criminal crew ever assembled, Kel’s plan looks more like the ultimate long shot, until luck brings a ragged girl named Vin into his life. Like him, she’s a half-Skaa orphan, but she’s lived a much harsher life. Vin has learned to expect betrayal from everyone she meets, and gotten it. She will have to learn to trust, if Kel is to help her master powers of which she never dreamed.
This saga dares to ask a simple question: What if the hero of prophecy fails?

Source / Add it to your shelf on: Goodreads

5. The Wheel of Time by Robert Jordan

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The Wheel of Time

Book 1: The Eye of the World

The Wheel of Time turns and Ages come and pass. What was, what will be, and what is, may yet fall under the Shadow.
Let the Dragon ride again on the winds of time.
The Wheel of Time turns and Ages come and go, leaving memories that become legend. Legend fades to myth, and even myth is long forgotten when the Age that gave it birth returns again. In the Third Age, an Age of Prophecy, the World and Time themselves hang in the balance. What was, what will be, and what is, may yet fall under the Shadow.
When The Two Rivers is attacked by Trollocs-a savage tribe of half-men, half-beasts- five villagers flee that night into a world they barely imagined, with new dangers waiting in the shadows and in the light.

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6. The Witcher by Andrzej Sapkowski

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Blood of Elves

Book 1: Blood of Elves

For over a century, humans, dwarves, gnomes, and elves have lived together in relative peace. But times have changed, the uneasy peace is over, and now the races are fighting once again. The only good elf, it seems, is a dead elf.
Geralt of Rivia, the cunning assassin known as The Witcher, has been waiting for the birth of a prophesied child. This child has the power to change the world – for good, or for evil.
As the threat of war hangs over the land and the child is hunted for her extraordinary powers, it will become Geralt’s responsibility to protect them all – and the Witcher never accepts defeat.

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7. Alex Stern by Leigh Bardugo

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Ninth House

Book 1: Ninth House

Galaxy “Alex” Stern is the most unlikely member of Yale’s freshman class. Raised in the Los Angeles hinterlands by a hippie mom, Alex dropped out of school early and into a world of shady drug dealer boyfriends, dead-end jobs, and much, much worse. By age twenty, in fact, she is the sole survivor of a horrific, unsolved multiple homicide. Some might say she’s thrown her life away. But at her hospital bed, Alex is offered a second chance: to attend one of the world’s most elite universities on a full ride. What’s the catch, and why her?
Still searching for answers to this herself, Alex arrives in New Haven tasked by her mysterious benefactors with monitoring the activities of Yale’s secret societies. These eight windowless “tombs” are well-known to be haunts of the future rich and powerful, from high-ranking politicos to Wall Street and Hollywood’s biggest players. But their occult activities are revealed to be more sinister and more extraordinary than any paranoid imagination might conceive.

Source / Add it to your shelf on: Goodreads

8. A Song of Ice and Fire by George R.R. Martin

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A Game of Thrones

Book 1: A Game of Thrones

Long ago, in a time forgotten, a preternatural event threw the seasons out of balance. In a land where summers can last decades and winters a lifetime, trouble is brewing. The cold is returning, and in the frozen wastes to the north of Winterfell, sinister and supernatural forces are massing beyond the kingdom’s protective Wall. At the center of the conflict lie the Starks of Winterfell, a family as harsh and unyielding as the land they were born to. Sweeping from a land of brutal cold to a distant summertime kingdom of epicurean plenty, here is a tale of lords and ladies, soldiers and sorcerers, assassins and bastards, who come together in a time of grim omens.
Here an enigmatic band of warriors bear swords of no human metal; a tribe of fierce wildlings carry men off into madness; a cruel young dragon prince barters his sister to win back his throne; and a determined woman undertakes the most treacherous of journeys. Amid plots and counterplots, tragedy and betrayal, victory and terror, the fate of the Starks, their allies, and their enemies hangs perilously in the balance, as each endeavors to win that deadliest of conflicts: the game of thrones.

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9. The Kingkiller chronicle by Patrick Rothfuss

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The Name of the Wind

Book 1: The Name of the Wind

Told in Kvothe’s own voice, this is the tale of the magically gifted young man who grows to be the most notorious wizard his world has ever seen. 
The intimate narrative of his childhood in a troupe of traveling players, his years spent as a near-feral orphan in a crime-ridden city, his daringly brazen yet successful bid to enter a legendary school of magic, and his life as a fugitive after the murder of a king form a gripping coming-of-age story unrivaled in recent literature. 

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10. The Savior’s Series by Jenna Moreci

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The Savior's Champion

Book 1: The Savior’s Champion

Tobias Kaya doesn’t care about The Savior. He doesn’t care that She’s the Ruler of the realm or that She purified the land, and he certainly doesn’t care that She’s of age to be married. But when competing for Her hand proves to be his last chance to save his family, he’s forced to make The Savior his priority. 
Now Tobias is thrown into the Sovereign’s Tournament with nineteen other men, and each of them is fighting—and killing—for the chance to rule at The Savior’s side. Instantly his world is plagued with violence, treachery, and manipulation, revealing the hidden ugliness of his proud realm. And when his circumstances seem especially dire, he stumbles into an unexpected romance, one that opens him up to unimaginable dangers and darkness. 

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11. All Souls by Deborah Harkness

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A Discovery of Witches

Book 1: A Discovery of Witches

Deep in the stacks of Oxford’s Bodleian Library, young scholar Diana Bishop unwittingly calls up a bewitched alchemical manuscript in the course of her research. Descended from an old and distinguished line of witches, Diana wants nothing to do with sorcery; so after a furtive glance and a few notes, she banishes the book to the stacks. But her discovery sets a fantastical underworld stirring, and a horde of daemons, witches, and vampires soon descends upon the library. Diana has stumbled upon a coveted treasure lost for centuries-and she is the only creature who can break its spell. 

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12. Lord of the Rings by J.R. Tolkien

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The fellowship of the Ring

Book 1: The Fellowship of the Ring

One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkeness bind them
In ancient times the Rings of Power were crafted by the Elven-smiths, and Sauron, The Dark Lord, forged the One Ring, filling it with his own power so that he could rule all others. But the One Ring was taken from him, and though he sought it throughout Middle-earth, it remained lost to him. After many ages it fell into the hands of Bilbo Baggins, as told in The Hobbit.
In a sleepy village in the Shire, young Frodo Baggins finds himself faced with an immense task, as his elderly cousin Bilbo entrusts the Ring to his care. Frodo must leave his home and make a perilous journey across Middle-earth to the Cracks of Doom, there to destroy the Ring and foil the Dark Lord in his evil purpose.

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Have fun reading these speculative fiction adult book series!

Lots of Love,
Britt

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Britt van den Elzen

Hi! I’m Britt, a 20-something creative entrepreneur from the Netherlands. I’m passionate about all things magic and can often be found dreaming about fictional worlds. The greatest love of my life is storytelling and I’ve been reading and watching stories ever since I can remember. ✨

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