Book picks similar to
Sigil by Addison Cain


dark
sci-fi
reverse-harem
fantasy

The Empress' New Clothes


Jaid Black - 2000
    Life on his home planet Tryston takes some getting used to, as the laws of the world cater to erotic hedonism and leave females at the sexual subjugation of the barbarians who claim them. No one said love with an alien would come easily. Enjoy Kyra's spicy escapades as she adjusts to life and love in another dimension.

Crave to Conquer


Zoey Ellis - 2018
    Plunge into this “must-read” epic world and prepare for addiction.Her mission seemed simple: hide in plain sight, search for his secrets, and under no circumstances draw his attention.Posing as a researcher, Cailyn infiltrates the palace of the savage ruler known as Emperor Drocco. He is on a crusade to find the omegas that have been missing for over a century and craves to find his mate. While reviewing his files, Cailyn never expected to meet him.But their attraction is instant.Unfortunately, Drocco is the most intolerable male she’s ever had the displeasure to encounter.He rarely leaves her side, inflicting his bold arrogance, heated gaze, and alpha dominance in a way that infuriates her. Yet their intense attraction captivates her in a way she cannot resist.As an omega spy, Cailyn knows she must slip away. If she falls prey to Drocco’s growing obsession, her deception will be uncovered and she will be at the mercy of his legendary ruthless vengeance.But unbeknownst to them both, she is the omega he seeks.Enter the dark and carnal world of Zoey Ellis’ Myth of Omega. For fans of faithful alpha anti-heroes and captive romances. Cliffhanger included however this series is complete. Includes romance and situations of a dark nature.

Homebound


Lydia Hope - 2020
    And aliens. Gemma McKinley works at a prison cleaning goop off the floors and serving food to inmates. When she is reassigned to the alien ward, Gemma is nervous. Aliens are dangerous and ruthless. They bite. But there is one that isn’t like them. Simon is damaged, starved, and wasting away in complete isolation. Touched by his loneliness, Gemma starts nursing him back to health, dismissing rumors that he’s high-risk, ignoring the advice to let him croak. Simon despises humans. His only goal is to get off this miserable planet fast, for he is hunted by a scientist obsessed with perfecting the human race. Simon’s rare alien genes are just the ingredient that’s missing for breakthrough research. Thanks to Gemma, for the first time in years he can escape. And he will. He will… As the hunt for Simon heats up, Gemma becomes an unintended target. Is she a fool to help him get away? And will he risk another captivity to protect her?

Undercover


Lauren Dane - 2008
    Now she must obey the one man she can't stand-and can't stop thinking about. With the enemy Imperialists gaining ground, a covert team is assembled by Ash Walker. Ten years before, Sera had lovingly submitted to Ash's dominance in the bedroom. But when he was forced into a political marriage, she refused to play mistress. His marriage now over, Ash wants Sera on his team-and back in his bed. The third team member, Brandt Pela, has an elegance to match Ash's savage sexuality. And when their undercover plan requires Sera to pose as Brandt's lover, it ignites a passion among the three of them more dangerous than their mission.

C791


Eve Langlais - 2012
    Kidnapped during his daring escape, he shows her that despite the chip in his brain, his humanity is not completely lost.Formerly known as unit X109GI, Joe is on a quest to discover his origin. While he doesn’t find the answers he’s looking for, he does discover that affection isn't just for humans. But when it comes to a battle between logic and love, which side will the cybernetic organism—once a man—choose?Evaluating his feelings will have to wait though because the military isn’t done with Joe. But their threats against him pale in comparison before the shocking discovery of project C791, the revelation of which stuns the rebel cyborgs—and ignites a fury for vengeance.

Zar


Alana KhanAlana Khan - 2019
    Bound for slavery. Can love offer escape?Kidnapped from Earth, aboard a slave ship, Anya is thrown in a cell with Zar, a handsome half-lion gladiator, and forced to breed or be killed.Zar’s life is an unbroken nightmare consisting of sleep, eat, fight, repeat. He’s not interested in helping Anya, and he’s definitely not interested in love. Except she’s the first female to ever touch his heart—or remind him he has a soul.If you like hot alpha aliens, kick-ass Earth women who mastermind insurrections, and sexy action romance, check out Zar, the first book in the paranormal romance Galaxy Gladiators series. This standalone book contains steamy sex scenes with a guaranteed happily ever after, no cheating, and no cliffhanger.Trigger warning: Anya and Zar are forced to mate; these scenes are delicately handled.

Broken


Eva Dresden - 2019
    Slinging drinks in a nightclub with a wicked reputation, she just wants to make it to the next day. Her world is rife with an array of dangers, but it's hers and she answers to no one.Until Tobias Kahler appears and ruins everything, including her.The man who owns the city has set his eyes on the waitress, and he won't be denied. Merciless and without remorse, he'll do anything to make her his and keep her by his side for a purpose Quinn could never have guessed at.Even when broken, she will fight to keep her sanity and herself alive, enduring whatever evils are thrown at her.For the spark of hope buried under all the pain, she'll do a lot more than that. Broken is the first book in the Omega's Destruction Trilogy, a raw and thrilling Omegaverse tale. It is not a traditional romance, containing dark themes and complete power exchange. Scenes are not glossed over, which may be distressing for some readers.

The Dracons' Woman


Laura Jo Phillips - 2011
    The next, she is fleeing across the stars from a sadistic crime lord who will stop at nothing to hunt her down and torture her for information about her sister, a psychic undercover agent for a shadowy intelligence organization. Lariah selects as her safe haven the distant, pastoral world of Jasan, known for its peaceful, rural setting, and the practice of its shifter inhabitants of mating three of their men to one human woman.Upon arriving on Jasan, Lariah learns that all is not as it seems. In the company of three incredibly gorgeous brothers she finds herself caught up in a world of danger, interstellar intrigue, and otherworldly desire and it is revealed to her that she may be the fulfillment of a mysterious prophesy, and the key to the survival of the Jasani race. Lariah must choose between preserving her identity as a human being or following a dangerous path that may lead to her true destiny: being soul-linked to the Royal Princes of Jasan, and finding eternal love that reaches across the stars.The Dracons' Woman is a thrilling, fast-paced fantasy of love, desire, and galactic adventure that will have your heart pounding and your blood racing.

The Warrior’s Pet


Stephanie West - 2016
    She sat up as one of the reptilian aliens entered. Giselle backed up and looked around realizing she was alone in a gilded cage. "What's going on?" She stammered. "If you're wise you'll keep quiet, pets don't speak on this planet." The creature admonished. A pet? Giselle's eyes widened. She hadn't misheard. Her cage was moved into a large tent. There were hundreds of aliens gathered for the auction, and these creatures were the largest yet. Their flesh was red like some kind of demon might be, with hair a uniform dark black. From what Giselle could see their eyes were a stone cold obsidian hue. Giselle noticed the fearsome creatures had long tails that rose out from what looked like chain mail kilts. Giselle shrunk back when she saw the creatures also had sharp fangs. How in the hell could she get out of this and if she did how could she possibly survive on an alien planet? Kagan beheld his pet. Nothing like her kind had ever set foot on Cadi. Kagan wondered where in the universe her unique species hailed from. Giselle refused to behave and even enjoyed his attempts to rebuke her, reveling in the rough handling a male usually held back with females. Giselle was brave instead of meek, standing up for herself in a sea of foreigners. Kagan had at first insisted that Giselle understand her place in Cadi society. But something more valuable than precious metal or jewels would be lost if Giselle was forced into the role everyone thought she belonged. Can Giselle find acceptance and love on an alien planet or will she always be nothing more than a warrior's pet?This book has adult content and may have triggers for some.

Juniper Unraveling


Keri Lake - 2017
     Papa says everyone has a story that deserves to be told. Most begin years ago, after the second bomb hit, unearthing a deadly contagion that divided the population into the pure, the infected, and the Ragers. Many recount the moment we rose up from the ashes and started anew. Others tell of the day we built a wall to keep them out. For some, they’re nothing more than the vestiges left behind—a simple name carved into the knotty bark of a Juniper tree. My story begins with a boy. A mute, from the other side of the wall, known only as Six, who touched my heart in ways that words never could, and gave me the courage to face my darkest truth. Juniper Unraveling is a full-length standalone romance set in a post-apocalyptic world.

Grim


M.K. Eidem - 2013
    He has been sent by his Emperor to find and retrieve compatible females for their dying civilization.King Grim Vasteri is the strongest and most feared warrior in the Tornian Empire, King of Luda, blood brother to the Emperor, but his line will die with him as no female would join with him, for once he was scarred, he was considered 'unfit'. The Tornian Empire has been dying ever since the great infection caused the birth of females to become a rarity. Since then they have been searching the known universes for compatible females. The Emperor's discovery of a compatible female on a slave ship changed that. He'd ordered Grim to find his Empress' home world so more 'unprotected' females could be obtained, knowing Grim would never be allowed to Join with one.Lisa Miller is a widowed mother of two little girls, Carly and Miki. Her husband died just a year ago, after a long battle with cancer and she misses him immensely. Friends want her to start dating again but in her heart, she knows there isn't a man on the planet she could love like her Mark. Who could love their girls like their own. Therefore, she'll stay alone.When Lisa is discovered 'unprotected' at her husband's grave, she wakes on an alien ship heading for an alien world. Refusing to accept this she confronts the large males, demanding she be returned to her children. Seeing his chance to have a female, Grim agrees to accept and protect her offspring, if she agrees to Join with him and only him. Realizing this is the only way she can retrieve her children Lisa agrees and the Tornian Empire changes forever.

Prey


Cari Silverwood - 2018
     After viewing ancient data and seeing the massive size of stoneshifters, Mila decides to rescue Tiana. Her sister is blood and she'd rather not see her tied to the sacrifice table and turned into jam. Everything goes wrong, of course. Lord Zarblu, stoneshifter and owner of the enormous black fortress looming over the city, turns his gaze upon Mila. Like a giant cat with a teensy mouse, Zarblu plays with Mila. Catch...release...catch. Gentle and caring are words that no stone-beast monster should claim, surely? Desiring something that might kill you is insane yet the sacrifice table begins to look attractive. Zarblu is a big, strong, determined male who's had a thousand, thousand years to contemplate life. What if he isn't quite the monster she thought he was... What if he wants her to be his sacrifice? Warning: This is a very graphic and carnal story for those who love the fantasy of being caught by a monster. This is not the normal level of dark that Cari Silverwood writes. This is the dark you reach for when you're all darked out and one step from seeing your therapist. Some of this story is FUN. Dark twisted fun, but fun nevertheless.

Frenzy


Sara Fields - 2019
    Here in the wild, I'm an omega for a pack to claim.Inside the walls I was a respected scientist. Out here I'm vulnerable, desperate, and soon to be at the mercy of the beasts and barbarians who rule these harsh lands. But that is not the worst of it.When the suppressants that keep my shameful secret wear off, overwhelming, unimaginable need will take hold of me. I'm an omega about to go into heat, and I know what comes next...But I'm not the only one with instincts far beyond my control. Alphas roam this wilderness, savage men driven by their very nature to claim me more fiercely than I can imagine, paying no heed to my screams as one brutal climax after another is ripped from my helplessly willing body.It won't be long now, and when the mating starts, it will be nothing short of a frenzy.Publisher's Note: Frenzy includes spankings and rough, intense sexual scenes. If such material offends you, please don't buy this book.

Assigned a Mate


Grace Goodwin - 2016
    She must offer herself to the Interstellar Bride Program. After a deeply humiliating assessment of her suitability, Eva will be assigned a mate and transported to his world to become his bride. Upon arriving on the desert planet Trion, Eva soon learns that things are quite different than she is used to on Earth. Her assigned mate, the powerful, handsome High Councilor Tark, makes it clear that she will be expected to submit to him completely, and she quickly discovers that disobedience will earn her a painful, embarrassing spanking on her bare bottom. An intimate examination from her new mate leaves Eva blushing crimson, but to her surprise Tark’s mastery of her body arouses her beyond anything she could have ever imagined. Soon enough she finds herself naked, bound, and unable to resist the urge to beg for more as his skillful lovemaking brings her to one shattering climax after another. It doesn’t take long, however, for Eva to realize that there is much more to Tark than just a dominant brute who will not hesitate to take his misbehaving wife over his knee and redden her bare bottom thoroughly. But just as her passion for him begins to blossom into love, events back on Earth threaten to tear her away from him forever. Can Eva find a way to remain at Tark’s side and in his bed, or will she be left with nothing but memories of the man who has claimed both her body and her heart? Publisher’s Note: Assigned a Mate is an erotic romance novel that includes spankings, sexual scenes, medical play, anal play, elements of BDSM, and more. If such material offends you, please don’t buy this book.

Alien Captive


Lee Savino - 2018
    but here I am anyway, mated to the Tsenturion High Commander just like the unwilling human heroines in my favorite sci-fi romances. The Commander demands obedience. He intends to claim me, train me, and turn me into his perfect little pleasure trophy. He doesn't believe in love. I don't believe in giving in without a fight.There's no amount of discipline or ecstasy that could break me to his will... I hope. Alien Captive is a hot alien abduction romance, starring one feisty human and the Tsenturion Warrior strong enough to master her. Disclaimer: the authors are not responsible for any actual alien abductions that may result should you purchase this book.