Books like 'Quaternion'

Readers who enjoyed Quaternion by E.J. Frost also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

paranormal  time travel  fantasy  urban fantasy  dark romance  reverse harem  poly  new adult  from hate to love  menage 

  • The Hanged Man by K.D. Edwards

    The Hanged Man by K.D. Edwards

    Rated: 4.58 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 39 ratings
    The last member of a murdered House tries to protect his ward from forced marriage to a monster while uncovering clues to his own tortured past. The Tarot Sequence imagines a modern-day Atlantis off the coast of Massachusetts, governed by powerful Courts based on the traditional Tarot deck...
  • The Blackened Blade by Isla Davon

    The Blackened Blade by Isla Davon

    Rated: 4.33 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 167 ratings
    Not many people get a second chance, let alone a second life. I died. Burning in a prison cell I spent years of my life rotting away in. I had been beaten, battered and bruised beyond repair. .. but not broken. Never broken. By whatever miracle, I’ve been brought back ten years into my past and before I was locked away. .. But to a different kind of hell…Wensridge Academy...
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  • Sacrifice of the Septimus, Part 2 by Stephanie Hudson

    Sacrifice of the Septimus, Part 2 by Stephanie Hudson

    Rated: 4.65 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 28 ratings
    The Sands of Time are filled with dangers and new enemies to face. But for Keira to stand tall in a world she does not know, she must first brave the differences in loving the man she calls Draven and the man she must now call her King. Join Keira as she is thrown into an ancient time and faces her biggest challenge yet…. How to get a Demon King to fall for a human girl he is forbidden to love.
  • Dark Queen by Faith Hunter

    Dark Queen by Faith Hunter

    Rated: 4.56 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 35 ratings
    Jane Yellowrock used to hunt vampires, but now she must fight--and win--beside them. As Enforcer to the vampire Master of the City of New Orleans, Jane Yellowrock stakes her reputation and her life on keeping her territory safe. But Leo has been issued a blood challenge by the emperor of the European vampires, who seeks to usurp all of his power and possessions...
  • Unleash the Night by Sherrilyn Kenyon

    Unleash the Night by Sherrilyn Kenyon

    Rated: 4.28 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 109 ratings
    It's a predator-eat-predator world for the Were-Hunters. Danger haunts any given day. There is no one to trust. No one to love. Not if they want to live. .. An orphan with no clan that will claim him, Wren Tigarian grew to adulthood under the close scrutiny and mistrust of those around him...
  • A Blackened Bond by Isla Davon

    A Blackened Bond by Isla Davon

    Rated: 4.19 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 107 ratings
    Death once claimed me, stole the air from my lungs as I burned alive…only I didn’t stay dead. Instead I was returned to my past, and back to a living hell. The Academy. Where those who I believed were friends were actually foes. My enemies thought they could break me, but I proved them wrong. Two months ago I was given a second chance…A second life. With it I now wanted answers…and revenge...
  • Azagoth by Larissa Ione

    Azagoth by Larissa Ione

    Rated: 4.28 of 5 stars
    · 30 ratings
    Even in the fathomless depths of the underworld and the bleak chambers of a damaged heart, the bonds of love can heal…or destroy. He holds the ability to annihilate souls in the palm of his hand. He commands the respect of the most dangerous of demons and the most powerful of angels. He can seduce and dominate any female he wants with a mere look...
  • Bone Island: Book of Danvers by Nicole Fiorina

    Bone Island: Book of Danvers by Nicole Fiorina

    Rated: 4.31 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 18 ratings
    𝐒𝐡𝐞 𝐜𝐫𝐚𝐯𝐞𝐝 𝐚𝐧 𝐞𝐬𝐜𝐚𝐩𝐞. 𝐇𝐞 𝐜𝐫𝐚𝐯𝐞𝐝 𝐭𝐨 𝐛𝐞 𝐟𝐨𝐮𝐧𝐝. 𝐓𝐰𝐨 𝐬𝐢𝐥𝐞𝐧𝐭 𝐡𝐞𝐚𝐫𝐭𝐬 𝐭𝐡𝐢𝐫𝐬𝐭𝐲 𝐮𝐧𝐭𝐢𝐥 𝐭𝐡𝐞𝐲 𝐛𝐨𝐭𝐡 𝐝𝐫𝐨𝐰𝐧𝐞𝐝. To my beloved black sea,. It was full dark when I snuck out of the castle to meet you. You wore those ripped black jeans and your new friend’s boots, with sleet from the forest still in the grooves...
  • The Witchwood Boys Are Trending by C.M. Stunich

    The Witchwood Boys Are Trending by C.M. Stunich

    Rated: 4.04 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 205 ratings
    They tricked me into a dark and unholy union. Three bastards in witch hats, leather pants, and iron masks. These supernatural stalkers have claimed me for their coven. They won’t go away. These assholes will. not. leave. All because I fell for an urban. Touch the Witch’s Tree on a moonless night and discover magic. Wholesome magic kinky rituals, blood sacrifice, and jizz potions...
  • Royal Beasts by K.C. Cross, J.A. Huss

    Royal Beasts by K.C. Cross, J.A. Huss

    Rated: 4.33 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 12 ratings
    When a two-thousand-year-old curse is the only thing keeping you safe, you should probably just leave it alone. Pie and Pell have finally figured out what the heck is going on with Saint Mark’s Sanctuary. Not only that, they each have a whole bunch of brand-new powers. But all those answers and all that power came with a whole bunch of brand-new problems too. The prisoners. Tomas and his… woman...
  • Dark Horse by Kel Carpenter, Aurelia Jane

    Dark Horse by Kel Carpenter, Aurelia Jane

    Rated: 4.04 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 87 ratings
    My husband killed me. Instead of spending my immortal Afterlife pissed off and angry, I moved on. I became someone. Sure, that someone was a demon with the highest track record of reform, AKA punishment, in Hell. But who’s bragging? I’m right on my way to retirement behind the pearly gates. Everything was going fine . . . until the Risk Witches saw a terrible vision. Three men...
  • The Wishing Game by Veronica Lancet

    The Wishing Game by Veronica Lancet

    Rated: 4.38 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 8 ratings
    Gods walk among us. They are powerful. They are immortal. They are…bored. Every century, they create a deadly spectacle—the Wishing Game—where mortals compete for the ultimate prize: one wish granted by the gods themselves. But there's a catch. If a participant dies in the game, they forfeit their immortal soul. Lucero Archibald lost everything...
  • Damaged Gods by K.C. Cross, J.A. Huss

    Damaged Gods by K.C. Cross, J.A. Huss

    Rated: 4.05 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 38 ratings
    When Pie stumbles into a monster’s 2000-year-old curse she has no idea that her life is about to get a bazillion times better. Damaged Gods is a fun, romantic romp through the world of ancient gods and hot monsters where fangs, and horns, and hooves are all part of “the ultimate package”. Now… if only her new monster would put on some pants...
  • Silvercloak by L.K. Steven

    Silvercloak by L.K. Steven

    Rated: 4.09 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 39 ratings
    SHE WILL BRING THEM TO THEIR KNEES. Dive into this addictive new fantasy series set in a world where magic is fuelled by pleasure and pain, in which an obsessive detective infiltrates a brutal gang of dark mages – knowing that one wrong move will get her killed . . . Two decades ago, the Bloodmoons ruthlessly murdered Saffron's parents, destroying her idyllic childhood...
  • Lassiter by J.R. Ward

    Lassiter by J.R. Ward

    Rated: 4.02 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 46 ratings
    Destiny, duty and desire clash in this epic new novel in J. R. Ward’s #1 New York Times bestselling Black Dagger Brotherhood series…. Lassiter, the fallen angel, is too good at the savior business. In his new role overseeing the fates of all vampires, he’s influenced outcomes he shouldn’t have- so the Creator is calling him home. But the angel has a reason to stay in Caldwell...
  • What Is Dark Within Me by L.B. Black

    What Is Dark Within Me by L.B. Black

    Rated: 3.99 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 14 ratings
    Alejandra Ruiz is a young witch plagued by the disappearance of her best friend, Violet. In a desperate bid for clues, she strikes a dark deal with the enigmatic Knowing One—the Prince of Lies and Shadows. But the power she needs to uncover the truth about Violet's disappearance comes at a staggering the heart of the next person who falls in love with her...
  • The Witch and His Crow by Ben Alderson

    The Witch and His Crow by Ben Alderson

    Rated: 3.81 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 16 ratings
    'Rule them. Win. Become Grand High. '. My name is Hector Briar, and I live for revenge. It's been eighteen years since Witch Hunters murdered my parents, and still the night haunts me. A part of me died that night, when six-year-old me was forced to listen to their brutal murder. Since then, I've gone from prey to predator...
    Categorized as:
    from hate to love  demons  m-m  fantasy  paranormal  queer  magic  dark
  • Serpent's Touch by Marina Simcoe

    Serpent's Touch by Marina Simcoe

    Rated: 3.83 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 54 ratings
    Mysterious and tragic, Madame Tan’s menagerie is the only home I’ve ever known. It’s a place where two worlds merge, a twilight zone between Earth and the magical Kingdom of Nerifir. The menagerie is filled with fantastic animals, but I discover that Madame captures and displays sentient beings too...
  • The Devil's Concubine by Ángeles Goyanes, Kasia Johnson

    The Devil's Concubine by Ángeles Goyanes, Kasia Johnson

    Rated: 3.40 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 5 ratings
    A few hours before her execution a woman narrates, in a fascinating confession to her priest, the story of her passionate love for a fallen angel. A story that plunges us into a world of terror from its beginning in 1212, during the French crusades, until its present-day ending...
  • The Hollow Gods by A J Vrana

    The Hollow Gods by A J Vrana

    Rated: 3.69 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 15 ratings
    *SECOND EDITION - NOW WITH NEW SPICY CONTENT ADDED*. Rich with folklore and paranormal intrigue, The Hollow Gods is an atmospheric supernatural thriller that will satisfy lovers of Maggie Stiefvater's THE RAVEN BOYS, especially those craving a fable with a darker touch. Black Hollow is a town with a dark secret...
  • A Discovery of Witches by Deborah Harkness

    A Discovery of Witches by Deborah Harkness

    Rated: 3.83 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 452 ratings
    A richly inventive novel about a centuries-old vampire, a spellbound witch, and the mysterious manuscript that draws them together. 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...
  • City of Darkness by Karina Halle

    City of Darkness by Karina Halle

    Rated: 3.68 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 23 ratings
    From the New York Times bestselling author of A Nordic King and Black Sunshine, comes CITY OF DARKNESS the third book in the Underworld Gods series, a high heat dark fantasy adult romance series. When mortal Hanna agreed to marry Tuoni, the God of Death, in exchange for her father's life, the last thing she expected was to fall for the morally grey anti-hero...
  • Was I Ever Here by Naomi Loud

    Was I Ever Here by Naomi Loud

    Rated: 3.59 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 20 ratings
    Five years ago I bled to death from a knife to the throat. But I didn’t stay dead. I woke up changed and remembered far too much. I have been haunted by the memories of my past lives ever since. For five years I’ve had the illogical certainty that I’ve spent lifetimes connected to the same soul. Lifetimes of love, heartache, and betrayal...
  • The Eternal Witch by Chandelle LaVaun

    The Eternal Witch by Chandelle LaVaun

    Rated: 4.58 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 27 ratings
    All is fair in war and magic. I’m the Aether Witch. I have power no other witch has had in thousands of years. But even I can’t do this job alone. Salem’s Prophecy says the fate of the world lies on mine and my twin’s hands. Despite our Coven-mates thriving power and Heavenly intentions. .. In the end, the decision is ours. And ours alone...
  • Shattered Bonds by Faith Hunter

    Shattered Bonds by Faith Hunter

    Rated: 4.46 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 35 ratings
    Jane Yellowrock must dig deep and find strength within herself if she is to survive in the latest novel in this New York Times bestselling series. Jane Yellowrock is a shapeshifting skinwalker, and vampire killer-for-hire, but her last battle with an ancient arcane enemy has brought her low...
  • King of Me by Mimi Jean Pamfiloff

    King of Me by Mimi Jean Pamfiloff

    Rated: 4.38 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 46 ratings
    “You’re asking me to love you? ” asked Mia. He slowly scratched his thick black stubble. “I suppose I am. ”...
  • Cold Reign by Faith Hunter

    Cold Reign by Faith Hunter

    Rated: 4.43 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 34 ratings
    Jane Yellowrock is a shape-shifting skinwalker…and the woman rogue vampires fear most. Jane walks softly and carries a big stake to keep the peace in New Orleans, all part of her job as official Enforcer to Leo Pellissier, Master of the City. But Leo's reign is being threatened by a visit from a delegation of ancient European vampires seeking to expand their dominions...
  • Returner's Defiance 3 by Bruce Sentar

    Returner's Defiance 3 by Bruce Sentar

    Rated: 4.52 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 22 ratings
    Bran returns to Vein City to find Gloria jealous that he came back with Nyx and Circe. While trying to solve that, Vincent becomes even pushier about entering the Vault. When going to open it, Bran discovers that this life has changed yet again...
    Categorized as:
    demons  new adult  poly  harems  fantasy  magic  urban fantasy  western
  • End of Days by Susan Ee

    End of Days by Susan Ee

    Rated: 4.17 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 146 ratings
    End of Days is the explosive conclusion to Susan Ee’s bestselling Penryn & the End of Days trilogy. After a daring escape from the angels, Penryn and Raffe are on the run. They’re both desperate to find a doctor who can reverse the twisted changes inflicted by the angels on Raffe and Penryn’s sister...
  • The Subtle Knife by Philip Pullman

    The Subtle Knife by Philip Pullman

    Rated: 4.18 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 143 ratings
    HIS DARK MATERIALS IS NOW AN HBO ORIGINAL SERIES STARRING DAFNE KEEN, RUTH WILSON, ANDREW SCOTT, AND LIN-MANUEL MIRANDA! The spellbinding sequel to The Golden Compass, the modern fantasy classic that Entertainment Weekly named an "All-Time Greatest Novel" and Newsweek hailed as a "Top 100 Book of All Time," continues the epic adventure, catapulting readers between worlds, and toward a devastating...
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