Books like 'Antigen'
Readers who enjoyed Antigen by R.A. Steffan also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
futuristic science fiction aliens m-f bodyguard-hero cold hero suspense forced proximity competent heroine independent heroine
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Three Babies and the Alien Warrior by Honey Phillips
Can a jaded alien warrior redeem himself in order to protect the woman and children who need him? After a painful divorce, Linda takes a job as the chief administrator of a rural hospital. Her hard won peace is shattered when strange black-suited men raid the maternity ward and she finds herself on board an alien spaceship... -
![I Married A Mothman by Regine Abel]()
I Married A Mothman by Regine Abel
He’s everything she never knew she wanted.When Venus embarked on a luxury cruise, she never expected to rescue a young Promethean demi-god—or that he’d bind her as his guardian... -
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![Rules of Redemption by T.A. White]()
Rules of Redemption by T.A. White
The war everyone thought was over is just beginning. Kira Forrest is a survivor. She’s risen above the pain of her beginnings to become a war hero only to leave it all behind in the pursuit of a simple life. Now a salvager, she makes a living sifting through the wreckage of dead alien ships from a war that nearly brought humanity to its knees...Categorized as:
aliens strong heroine competent heroine independent heroine m-f bodyguard-hero suspense survival -
![Daughter of the Alien Warrior by Honey Phillips, Bex McLynn]()
Daughter of the Alien Warrior by Honey Phillips, Bex McLynn
Can a grieving alien warrior and a desperate mother overcome their painful pasts through the shared love of a child?One year ago, Jade’s husband was killed and the baby she had wanted for so long disappeared. She has been searching for her daughter ever since. Nothing - not even being abducted by aliens - is going to stop her... -
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![Relic of Sorrows by Lindsay Buroker]()
Relic of Sorrows by Lindsay Buroker
Captain Alisa Marchenko finally has a lead on finding her daughter, but her passengers want her to take them on their quest instead. Even though the Star Nomad is her ship, they have power she cannot fight, and she finds herself with no choice but to accept another detour. But the ancient relic they seek has the ability to destroy worlds and is coveted by many...Categorized as:
aliens m-f competent heroine cold hero bodyguard-hero military science fiction futuristic -
![Imperator by Anna Hackett]()
Imperator by Anna Hackett
Rated: 4.41 of 5 stars · 17 ratingsSpace station security specialist Sam has done one thing since her abduction by alien slavers…fight to survive. But now one strong alien gladiator stands at her side and Sam knows she is no longer alone. Thrust into a lawless desert arena, Sam Santos has done terrible things in order to stay alive. As the Champion of Zaabha, she’s been fighting to find a way out... -
![Emperor by Anna Hackett]()
Emperor by Anna Hackett
When an experimental starship test goes horribly wrong, a scientist from Earth finds herself fighting for her survival, and her only lifeline is a wild, powerful alien king.Waking on an alien world, wracked by pain, Dr. Poppy Ellison is confused and adrift…until his voice calls to her in the darkness...Categorized as:
aliens cold hero m-f science fiction futuristic sweet heroine explicit-open-door length-medium -
![Possessed by the Alien Hero by Krista Luna]()
Possessed by the Alien Hero by Krista Luna
I live without emotion. Yet one touch from my fated mate shatters all my restraint.SOFIAI did it! I helped cure the virus our enemy used to kill so many humans and Varool. Then I created a new one that will turn the tables on the bugs and win us the war. If we can release it into the heart of the attacking Swarm.Enter Yash. Tall. Aloof. Alien. Gorgeous. He’s even royalty of some sort...Categorized as:
aliens strong heroine cold hero creative-anatomy m-f science fiction humor futuristic -
![The Arcav Captain's Queen by Hope Hart]()
The Arcav Captain's Queen by Hope Hart
She wants her planet back... ... But all he wants is her. Forced to become a monster to survive her father’s cruelties, Saria wants only one thing: To convince the Arcav King to help her lead her people out of the darkness and into the light. She has no intention of mating anyone. Least of all Roax- the bossy bodyguard who the Arcav King ordered to be her shadow...Categorized as:
aliens creative-anatomy m-f military science fiction futuristic non-human-hero explicit-plentiful -
![Kraving Tavak by Zoey Draven]()
Kraving Tavak by Zoey Draven
A female is the last thing I want or need.Doesn’t matter if they’re Laoti, or Luxirian, or human….females mean trouble and I’m so vauking tired of trouble.What I want is to spend my days in peace. After years of working in a brothel, of being pawed at and owned and consumed by women, I want to be left alone.Then I see her... -
![Going Ballistic by Dorothy Grant]()
Going Ballistic by Dorothy Grant
Rated: 4.63 of 5 stars · 8 ratingsWhen her plane tries to come apart at apogee during a hijack, ballistic airline pilot Michelle Lauden handles the worst day she could imagine. After getting down without losing any passengers or crew, though, she finds her troubles have just begun!The country she's landed in has just declared independence from the Federation... -
![Alien AI's Marine by Mina Carter]()
Alien AI's Marine by Mina Carter
He's the lone human male in a sea of lethal alien warriors. He's either gifted or suicidal...Kidnapped by aliens, rescued, and now on a secret base in a system he can't even pronounce, Major Jay Stephens has given up on a wing and a prayer... he's now on kicking butt and taking names. Especially when it comes to the alien AI who's risked everything, even her 'life' to protect him.The only problem...Categorized as:
aliens non-human-heroine m-f science fiction military futuristic open-door length-short -
![Dark Strength by Cynthia Sax, Amanda Kelsey]()
Dark Strength by Cynthia Sax, Amanda Kelsey
Rated: 4.56 of 5 stars · 9 ratingsThe Bigger They Are, The Harder They Fall. Balvan, the Refuge’s Gatekeeper, is huge, green, and has a reputation for crushing skulls. He’s a modified humanoid, genetically designed to be the ultimate warrior. One of a kind and considered monstrous by many, he never expects to find his mate, the one female meant for him... -
![Legacy by Tana Stone]()
Legacy by Tana Stone
The Drexian Academy has four schools and four rules. Beware of the Assassins.Don't cross the Blades.Trust the Irons.The Wings go as one.Break them at your peril.Ariana is the first human instructor at the Drexian Academy and the first female to teach flight to cocky cadets. She’s the best Earth has to offer with a lot to prove...Categorized as:
aliens m-f competent heroine explicit-open-door futuristic non-human-hero dual-pov first-person-pov -
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![Sanctuary for the Alien Warrior by Honey Phillips]()
Sanctuary for the Alien Warrior by Honey Phillips
Can an alien warrior and an orphaned infant provide a new beginning for a lonely woman? Tired of relentless hours, arrogant clients, and endless demands, Barbara is ready to abandon her career as a corporate attorney for a simpler life. She doesn’t expect that life to involve an alien abduction, an abandoned baby, and an all-too-intriguing alien warrior with a very friendly tail...Categorized as:
aliens m-f creative-anatomy strong heroine competent heroine science fiction futuristic alpha male -
![Heart Fate by Robin D. Owens]()
Heart Fate by Robin D. Owens
Rated: 4.21 of 5 stars · 24 ratingsWed to a wealthy older man when she was just a girl, Lahsin Yew runs away from her abusive home to find a new life. At seventeen, she?s about to enter her Second Passage, when her Flair?and perhaps her HeartMate?will be revealed. Lahsin finds sanctuary in a secret garden, where she meets Tinne Holly...Categorized as:
tortured heroine aliens m-f contemporary rape futuristic science fiction length-medium -
![Adaptation: Book 2 by Pepper Pace]()
Adaptation: Book 2 by Pepper Pace
Rated: 4.80 of 5 stars · 5 ratingsCarmella was still a teen when the Motherships first appeared dotting the skies over the Earth. For years the world tried to normalize while the silent Motherships hovered. And then they arrived, promising that they meant no harm. But within 10 years, 80% of the world's population would be wiped out. Including everyone that Carmella loved...Categorized as:
aliens multicultural black-mc m-f dystopian science fiction futuristic african-american -
![Alien in Disguise by Cara Bristol]()
Alien in Disguise by Cara Bristol
Hell hath no fury like a woman abducted by aliens…twice.The space cruise is supposed to be the vacation of a lifetime. Instead, Jessie Sayles gets abducted by aliens. After the rescue, she’s determined to sound the alarm that humans have been targeted by a galactic slave cartel... -
![Faith, Part 3 by Grace Goodwin]()
Faith, Part 3 by Grace Goodwin
Rated: 4.67 of 5 stars · 6 ratingsThe traitor within the Jax household has been found, and the repercussions are staggering, with Faith barely surviving and their mating destroyed. But Faith has always been unpredictable—just ask her sisters— and nothing will stop her from getting what she wants…and she wants Thor. Even if it kills her... -
![Xenon by Regine Abel]()
Xenon by Regine Abel
What is dead is never truly gone.When she embarks on a rescue mission in an abandoned lab, the last thing Kate Lewis expects is for a long dead Xian Warrior to rise from his ashes. Then he claims she’s his soulmate. Although she doesn’t doubt his sincerity, Kate cannot help but question the truth of his words...Categorized as:
multicultural aliens suspense m-f hurt-comfort creative-anatomy competent heroine strong heroine -
![Hunter's Valentine: A Post-Apocalyptic Alien Romance by Lynnea Lee]()
Hunter's Valentine: A Post-Apocalyptic Alien Romance by Lynnea Lee
Rated: 4.50 of 5 stars · 8 ratingsFood and water? Check. Shelter? Check. Weapons and ammo? Check. Check.I thought I was ready when the apocalypse came, but I wasn’t prepared for dirty bunker politics. Realizing I’m no longer welcomed, I step foot into a hostile landscape, ready to face down the deadly space bugs in search of a new home...Categorized as:
aliens m-f creative-anatomy survival bodyguard-hero science fiction post-apocalyptic length-novella -
![Of A Darker Void by G.S. Jennsen]()
Of A Darker Void by G.S. Jennsen
Rated: 4.50 of 5 stars · 8 ratingsWhen man and machine are one and the same, death is no longer an inevitability. But in the darkest reaches of space, neither is life.Diplomat. Rebel. Fugitive.Nika Tescarav has lived many lives, though she no longer remembers most of them... -
![Legion by Regine Abel, Juno Wells]()
Legion by Regine Abel, Juno Wells
He gave her his soul, but she couldn’t hold it. Ayana has devoted her life training to join the Vanguard, an elite intergalactic military force dedicated to fighting back the Kryptids who nearly destroyed Earth. Only the most powerful psychics are chosen...Categorized as:
aliens multicultural creative-anatomy black-mc suspense m-f competent heroine bodyguard-hero -
![Hunter: Desert Hunter / Alien Hunter / Glactic Gladiator Christmas by Anna Hackett]()
Hunter: Desert Hunter / Alien Hunter / Glactic Gladiator Christmas by Anna Hackett
Rated: 4.36 of 5 stars · 11 ratingsstrong>From the dangerous desert sands to the deadly glitz of the city, the lawless desert planet of Carthago is filled with lethal hunters risking it all for the women who capture their hearts. HUNTER contains two novellas and one short story all set in the Galactic Gladiators series... -
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![Alien Commander's Mate by Mina Carter]()
Alien Commander's Mate by Mina Carter
Alone. Ill. She’ll do anything to find her kids. Both her children taken by the Lathar and her home destroyed in the process, Amanda Kallson is at her wits end and desperate. With nothing left to tie her to Earth, she’ll do anything to track down her daughters… even take an alien warriors crazy deal. It doesn’t hurt that said alien warrior is tall, ripped and as handsome as hell...Categorized as:
suspense aliens m-f futuristic science fiction non-human-hero length-novella explicit-open-door -
![Dark Minds by Michelle Diener]()
Dark Minds by Michelle Diener
The mind is the most powerful weapon of all . . . Imogen Peters knows she's a pawn. She's been abducted from Earth, held prisoner, and abducted again. So when she gets a chance at freedom, she takes it with both hands, not realizing that doing so will turn her from pawn to kingmaker...Categorized as:
aliens competent heroine m-f multicultural science fiction futuristic dual-pov non-human-hero -
![A Very Arcav Christmas by Hope Hart]()
A Very Arcav Christmas by Hope Hart
Rated: 4.39 of 5 stars · 10 ratingsBabies, weddings, and Christmas... oh my! For the human women on Arcavia, there's plenty to celebrate during the holidays. Sure, the Grivath are a constant threat, but with a surprise wedding to plan, a baby on the way, and even a visit from Santa, the first Arcav Christmas is sure to be incredible... -
![Bound by Tana Stone]()
Bound by Tana Stone
Rated: 4.30 of 5 stars · 13 ratingsShe’s been given a choice. Mate with the part-cyborg alien who abducted her. Or die. For Shreya, taking an alien for a mate was never in the cards. As one of the human women who rejected the idea of being a tribute bride to the Drexian warriors, she was just fine without a big, hulking alien. Even if they are gorgeous... -
![Tracking Trisha by S.E. Smith]()
Tracking Trisha by S.E. Smith
Trisha Grove enjoyed her job as a pilot for Boswell International but realizes something is still missing from her life – her family. She is ready to call it quits and head back home to Wyoming where her father lives. She never expected her last flight for Boswell would end with an unplanned trip out of this world... -
![A Darkside Interlude (Darkstar Mercenaries .5) by Anna Carven]()
A Darkside Interlude (Darkstar Mercenaries .5) by Anna Carven
Rated: 4.26 of 5 stars · 14 ratingsCommander Iskar Gar-Kurai isn't impressed by humans or their backwater planet. If he had his way, he'd be working closer to home, on a planet where it wasn't so infernally hot ... But orders are orders, especially when they come from the very top. If he's going to be on Earth for the long term, Iskar needs to learn more about its strange inhabitants... -
![Banic by Mina Carter]()
Banic by Mina Carter
She’s a doc on a mission. He’s a beast with a heart of gold.Dr. Beth Godwin arrives on Parac’Norr with one goal in curing the Blood Rage mutation that plagues the alien warriors. But she didn’t expect Banic, the most feared feral on the planet, or her reaction to him.A caged monster, she knows she should stay away from him... -
![Alien Duke's Fated Mate by Mina Carter]()
Alien Duke's Fated Mate by Mina Carter
She's the best pilot in the galaxy... He's an arrogant alien dukeMajor Zara Reid has one mission - prove human pilots can fly alongside the alien Latharians. She didn’t expect their arrogant Lord Starfighter to try and undermine her at every turn... -
![Manu by Anna Hackett]()
Manu by Anna Hackett
Rated: 4.28 of 5 stars · 11 ratingsAs the battle against the invading aliens intensifies, a group of bad boy bikers and mercenaries will stand and fight for humanity’s survival… When former berserker Manu Rahia lost his leg on a mission, he was forced to leave his squad... -
![Redemption by Sandra R. Neeley]()
Redemption by Sandra R. Neeley
Rated: 4.26 of 5 stars · 12 ratingsCast aside and forced to live apart from his family as a child, Rokai ahl has become insolent, resentful, angry, borderline criminal, and a general outcast as an adult. He has managed to build a life for himself in which he answers to no one and nothing. His loyalty lies with only himself... -
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![I Married Amreth by Regine Abel]()
I Married Amreth by Regine Abel
He’s the dark angel of her dreams.When Ciara attends the Intergalactic Medicine Symposium, the last thing she expects is to run into Kayog, an infallible empathic matchmaker, who declares he knows who her soulmate is. Her excitement at the prospect of meeting Amreth, a magnificent and powerful Obosian Hell Lord, is crushed when a pirate attack results in her near-death and abduction... -
![Hemi by Anna Hackett]()
Hemi by Anna Hackett
Rated: 4.30 of 5 stars · 10 ratingsIn the middle of an alien invasion, a big, tough, tattooed former mercenary is finally going to chase down his woman. Camryn McNab knows love is a lie. Okay, maybe not for everybody--her fellow soldiers on Squad Nine have managed to fall in love in the middle of a vicious alien attack. But it's not for her. She comes from two people incapable of love...Categorized as:
aliens independent heroine m-f military science fiction futuristic length-short audiobook -
![Levi by Anna Hackett]()
Levi by Anna Hackett
Rated: 4.30 of 5 stars · 10 ratingsIn the middle of an alien invasion, a bad boy berserker collides with a spunky mechanic on a dangerous sabotage mission. Levi King has always lived rough. Raised by a biker dad, he fought for everything he had—including being president of the Iron Kings motorcycle club. But when the aliens invaded, he lost it all...Categorized as:
aliens independent heroine m-f dystopian military science fiction futuristic length-short -
![Taming Jax by Mikayla Lane]()
Taming Jax by Mikayla Lane
Rated: 4.33 of 5 stars · 9 ratingsJaxson Adronatof had vowed as a child that she would spend her life hunting the evil that had slaughtered her parents and help those like her, who were different. For 15 years, she’d been the leader of a resistance force and one stubborn, arrogant and frustratingly gorgeous alien claiming she’s his mate isn’t going to deter her from that vow... -
![The Iriduan's Mate by Susan Trombley]()
The Iriduan's Mate by Susan Trombley
A former elite Iriduan soldier, Shulgi lives with many regrets...He’s determined to redeem himself by curing the mate imprinting affliction that affects Iriduan males. Unfortunately, the necessity for secrecy makes it difficult to spread the cure to those males in need of it most... -
![Alien Retribution by Sadie Carter]()
Alien Retribution by Sadie Carter
Rated: 4.38 of 5 stars · 8 ratingsSince the day his family was murdered, Boris has been obsessed with vengeance. The last thing he needs in his life is a mate. Besides, what sort of female would want a scarred, crippled male who has taken a vow of silence? Nope, there is no room in his life for a female. Then he meets Nassir. Beautiful. Fragile. Distant... -
![Seeking Vector by Cynthia Sax]()
Seeking Vector by Cynthia Sax
Rated: 4.60 of 5 stars · 5 ratingsA cyborg with a secret… A female seeking the truth… Vector, the C Model captain of the Freedom, is a cyborg many warriors wish to emulate. He fights fiercely, leads with honor, has earned the respect and loyalty of his crew. But no being, not even a cyborg, is perfect. Since arriving at the Homeland, Vector has been hiding a dark truth about his past...Categorized as:
m-f black-mc competent heroine futuristic military science fiction tall-heroine length-short -
![Callim's Challenge - A Sci-Fi Alien Romance: The Quasar Lineage Book 5 by Pearl Tate]()
Callim's Challenge - A Sci-Fi Alien Romance: The Quasar Lineage Book 5 by Pearl Tate
Rated: 4.60 of 5 stars · 5 ratingsShelly Abducted from Earth, contracting a deadly disease, getting matched up to an alien I’ve never met… welcome to the chaos that’s my life. Now, I’m on a spaceship traveling to Quasar to get the vaccine I need to survive and meet my future mate. I’m used to being at the mercy of others. First, it was my drug-addicted mother and eventually the foster care system... -
![Mihile's Marvel by Pearl Tate]()
Mihile's Marvel by Pearl Tate
Rated: 4.60 of 5 stars · 5 ratingsMihile I hate being trapped underground. With the planet Quasar uninhabitable on the surface, my entire life has been spent without sunlight. Since I was born blind, it's kind of fitting.With my lack of vision and light skin and hair, I represent not only the most unique features of our species, but also the most shunned... -
![Wrath by Regine Abel]()
Wrath by Regine Abel
She conquered death. Can she conquer life?Kwan’s dreams of joining the Vanguard finally comes true. Unfortunately, a recent tragedy dampens the joy of this experience. She hopes that reuniting with her long-time friend Linette and embarking on epic rescue missions will help bury painful memories...Categorized as:
multicultural creative-anatomy angst suspense m-f forced proximity hurt-comfort strong heroine -
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![Taming Ryock by Sara Page, Sean Moriarty]()
Taming Ryock by Sara Page, Sean Moriarty
My life has become a living nightmare… Abducted. Stolen from Earth. I wake up in a strange alien laboratory to discover my new alien overlords plan to use me in a breeding experiment. The alien they want me to breed with? Yeah, he’s blue, he’s mean, and he’s packing some seriously scary alien ‘equipment’. There’s no way I can survive the experiment... -
![Finn by Anna Hackett]()
Finn by Anna Hackett
Rated: 4.22 of 5 stars · 12 ratingsIn the aftermath of a deadly alien invasion, a band of survivors fights on… For Hawk pilot Finn Erickson, flying is in the blood. Since the aliens decimated the planet, he spends most of his time flying Hell Squad into combat. With communication to other survivor bases cut off, he has no idea if his family is still alive and feels their loss keenly...Categorized as:
aliens independent heroine m-f futuristic military science fiction dystopian length-novella -
![A Son for the Alien Warrior by Honey Phillips, Bex McLynn]()
A Son for the Alien Warrior by Honey Phillips, Bex McLynn
Can she create a new family with an alien warrior? On the anniversary of the disappearance of Mariah’s sister and nephew, Mariah returns to their last known location, expecting to find only painful memories. Instead, she encounters an alien spaceship and recklessly sneaks aboard, taking one last chance to be reunited with her family...Categorized as:
aliens m-f creative-anatomy science fiction futuristic single-mother non-human-hero abduction -
![I Married A Catman by Regine Abel]()
I Married A Catman by Regine Abel
He was the dream mate she never expected.When Ophelia seeks the services of the Prime Mating Agency to find her soulmate, she’s floored to learn that her perfect match is Gaelec, an intimidating, feline-looking ex-convict... -
![7SEEDS 3 by Yumi Tamura, 田村由美]()
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![Noah by Anna Hackett]()
Noah by Anna Hackett
Rated: 4.18 of 5 stars · 13 ratingsThe battle of survival against the invading aliens heats up…but Hell Squad never quits. Tech genius Noah Kim works day and night to keep the survivors at Blue Mountain Base with lights, power and hot water. He’s also working on a top secret project to help keep them safe. He’s tired, stressed and under pressure—and one woman adds to it all...Categorized as:
aliens independent heroine m-f dystopian futuristic military science fiction cold heroine
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