Books like 'Betrothed to the Alien Mercenary'
Readers who enjoyed Betrothed to the Alien Mercenary by Robin O'Connor also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
contemporary science fiction aliens m-f found-family fated-mates fake relationship suspense height-difference caretaking
-
A Gift for the Alien Warrior by Honey Phillips
Can a forgotten alien warrior protect his newfound family? Taranov spent years doing his duty before finally escaping his dying planet. His new life as a trader is calm, peaceful… and empty. Then he stumbles upon an abandoned ship, a helpless infant, and a beautiful female who can’t even remember her name. His instincts demand that he protect them, but his heart wants so much more...Categorized as:
aliens fated-mates creative-anatomy m-f caretaking forced proximity science fiction insta-love -
Lily and the Lion by Honey Phillips
A wealthy, bored alien. A fierce, unlucky woman. A primitive hunting planet. Let the games begin!Lily has never been lucky - not with jobs, not with money, and certainly not with men. Her bad luck continues when she is first abducted by aliens, then shoved into an escape pod and abandoned on a jungle planet.The enormous, and admittedly gorgeous, alien who finds her seems as much beast as man...Categorized as:
aliens height-difference m-f caretaking survival possessive hero creative-anatomy forced proximity -
Buried Too Deep by Karen Rose
Rated: 4.36 of 5 stars · 23 ratingsFrom New York Times and USA Today bestselling author Karen Rose comes another explosive novel in the New Orleans series, where some secrets are worth dying for—or killing to keep. Three can keep a secret if two of them are dead... -
Peripeteia by Sarah Lyons Fleming
Book two of The City Series is here! Months into the apocalypse, the zombies show no signs of dying, but it’s clear everyone in Sunset Park will die without enough food to outlast the undead. Add in the less-than-sociable new neighbors only blocks away, and the hunt for sustenance has come to feel more like a race than a ramble...Categorized as:
suspense m-f caretaking forced proximity survival found-family competent heroine dystopian -
-
Alien Mask by Ursa Dax
“I never wanted a mate. Until this troublesome human showed up and changed everything.”PRIYALerokan is a huge pain in my human butt. He’s cocky, obnoxious, and refuses to show me his face, hiding it behind a bone mask.He keeps saying he saved me from the battle.But all I see is the man who separated me from my friends... -
The Strip Down by Honey Phillips
Can Amanda discover the secrets behind an alien ruin? And the mysterious alien with the haunted eyes?Amanda is happy with her life as an elementary school teacher - and making plans to expand her family. Waking up naked and alone on an alien planet is not on her schedule.Desperate to return to Earth, she reluctantly accepts the help of the massive alien who appears out of the sands... -
Galactic Gladiators Set: Books 4-6 by Anna Hackett
Rated: 4.75 of 5 stars · 8 ratingsFighting for love, honor, and freedom on the galaxy’s lawless outer rim…When several women from Earth find themselves abducted from a space station by alien slavers, life becomes a battle for survival on a dangerous desert planet... -
Pandora and the Prisoner by Honey Phillips
Can a renegade alien warrior rescue a curvy librarian?Pandora likes her life as orderly as the books in her library. But when she and two of her friends are stolen from Earth and the spaceship crashes on an alien planet, the rules no longer apply.Separated from her friends and unable to communicate, she must rely on her instincts as well as her intelligence...Categorized as:
aliens caretaking creative-anatomy m-f competent heroine science fiction strong heroine insta-love -
Alien Most Wanted: Mastermind by Honey Phillips
Can an icy alien warrior save the woman who finally thaws his frozen heart?Sophie’s life is a mess. She’s broke and on the verge of losing her home. Her former lover - and former boss - wants nothing to do with her or the child growing inside her.Just when she thinks life can’t get much worse, she’s kidnapped and transported to an alien prison...Categorized as:
aliens creative-anatomy caretaking forced proximity m-f science fiction pregnancy abuse -
Joan and the Juggernaut by Honey Phillips
An unstoppable alien warrior. A stubborn human. A desperate escape.Varga’s life has been as hard as the armor which covers his skin, but he has never let it stop him. He has powered his way through every obstacle - until a favor for a friend sends him straight into the path of a stubborn, beautiful female, and everything changes... -
Leap by Michael C. Grumley
Rated: 4.18 of 5 stars · 37 ratingsONE OF MANKIND'S GREATEST LEGENDS HAS BEEN DISCOVERED... A FIND THAT ANY COUNTRY IN THE WORLD WOULD KILL TO POSSESS... ...AND IT'S ABOUT TO CHANGE EVERYTHING. One year ago, a remarkable breakthrough changed what it means to be human. Now, from a new research center in Puerto Rico, Alison Shaw and her team are about to stun the world...again... -
Maria's Journey by Karen Clow
Rated: 4.51 of 5 stars · 11 ratingsCompelling, Brutal and stretching every boundary of Love and loyalty to its limits; Maria’s Journey will leave you wondering how she ever survived and remained the lady she is.Continuing to chart the turbulent lives of Jimmy, Maria and Mickey, once again it delves into London’s violent, depraved, criminal underworld... -
Heart of the Domini by Talia Rhea
HATTIE HAS FINALLY MADE PEACE WITH HERSELFIt's been a long time coming, but she has reached a place of understanding. And it's a good thing, because it's all being put to the test. Her ex is back, testing the foundation of her carefully rebuilt self-esteem. Tuvo is there, testing the boundaries of the friendship she's trying to make between them...Categorized as:
aliens creative-anatomy caretaking forced proximity possessive hero survival m-f contemporary -
A Nude Attitude by Honey Phillips
Can Erica survive the hidden dangers of an alien ocean? And the charms of the alien convict stranded with her?Erica desperately needs a break from her domineering father - especially his latest scheme to marry her off so she can produce an heir...Categorized as:
aliens m-f caretaking forced proximity survival bad boys creative-anatomy science fiction -
-
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:
aliens m-f contemporary rape futuristic tortured heroine science fiction length-medium -
Tammy and the Traitor by Honey Phillips
A scarred alien warrior. A fragile human woman. Too many secrets. Growing up in the slums of Kaisar, Vorkan learned to fight for what he wanted. As an Imperial warrior, he learned the importance of honor and duty. But when they rescue a fragile human female, he knows she is destined to be his...Categorized as:
aliens caretaking height-difference creative-anatomy m-f science fiction futuristic alpha male -
Sarazen's Hunt by Isabel Wroth
Rated: 4.30 of 5 stars · 16 ratings-GOOD LUCK ON THE HUNT. Newly-appointed Commander Kalix has been tasked with a crucial mission for the Sarazen race: discover the fates of the remaining human starships, and bring home the survivors—if there are any left, that is… His crew come upon the wrecked remains of the Sestrenka, and the chattering captain’s logs set them on the trail of a human colony established over twenty years ago... -
Alien Dance: A Bodyguard Alien Romance by Deiri Di
SerenityAlien invasion? Check.Hot aliens want Earth women? Check.Traitor to my planet? Whoops.Things have gotten completely out of control. One minute I’m a normal college student working towards completing a major in dance, the next I’m a traitor to my planet, working for an bonafide Empress who is planning a full scale takeover of Earth. The guy she assigned to guard me?He is smoking hot...Categorized as:
suspense aliens contemporary science fiction new adult military length-medium open-door -
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... -
Arik by Tasha Black
Rated: 4.50 of 5 stars · 8 ratingsShe’s about to discover a whole new world...Lucy longs for a child of her own, and the excitement of settling a frontier moon.But she isn’t ready for the baby to come with an Invicta dragon warrior, who has sworn to protect the child with his life.And she certainly doesn’t expect the burly warrior to awaken feelings in her that she thought she left behind forever...Categorized as:
suspense aliens cowboys shapeshifters science fiction new adult multicultural contemporary -
Sakar by Ella Blake
My two girls and I are going to be snowed in for Christmas and that’s fine with us, until an alien spacecraft crashes behind our wooded Maine home. I take the gorgeous Virilian, Prince Sakar, home with me. He’s injured and tracking an endangered alien dog with a taste for my neighbor’s goats...Categorized as:
aliens fated-mates m-f science fiction christmas single-mother contemporary slow burn -
Zinnia by Jayne Castle, Jayne Ann Krentz
New York Times bestselling author JAYNE CASTLE--Capturing the lively sensuality ( Library Journal ) of the passion-filled, near-future space colony of St... -
Amaryllis by Jayne Castle, Jayne Ann Krentz
New York Times bestselling author JAYNE CASTLE Acclaimed for her novels of “delectably entertaining paranormal romantic suspense” (Booklist), the wildly popular alter ego of bestselling author Jayne Ann Krentz takes off on a star-dusted excursion to a rich civilization where danger and passion are just a heartbeat away. . . . Amaryllis Lark is one of the best psychic detectives on St... -
Eat My Moon Dust by Etta Pierce
Tinsley Adams is fed up. She's a pastry chef stuck on an alien planet where cooked food is printed piping hot and perfect every time. Where's the fun in that? The artistry? The sense of family and community?When snow caps the distant mountains, she decides it's high time for some community-building festivities. No one throws a holiday bash like a Canadian, after all... -
-
Mikko by Ella Maven
Hide and seek is a lot less fun in an alien prison where the winner gets… me. RianI’m not a stranger to being behind bars, but this prison leaves a lot to be desired. There are zero communal showers, minimal locking cells, and the other prisoners are extremely hostile. That could be because they are aliens and this is a prison in another galaxy... -
Chieftain by Annie Lucas
One would assume that turning sixty would protect a woman from certain things; cat calls, being propositioned every time you sat at a bar by yourself, the monthly menace, being kidnapped by aliens, the office letch, and a plethora of other annoyances weathered in her youth.Did I mention being kidnapped by aliens?Yeah, I was wrong about that one...Categorized as:
aliens m-f strong heroine alpha male science fiction length-medium contemporary mature couple -
Skye Fall by Paige Edwards
Rated: 4.28 of 5 stars · 11 ratingsIsla Montjoy has it all, a new career in nursing and a police officer boyfriend she adores―until she stumbles across proof of her boyfriend’s corruption. Determined to protect his secrets, he attacks her and leaves her for dead. But against all odds, she lives...Categorized as:
suspense forced proximity contemporary mystery christian science fiction length-short audiobook -
Dragon's Fated Mate by Miranda Martin
Rated: 4.38 of 5 stars · 8 ratingsEveryone deserves a second chance...AnnabelIt doesn't matter that my husband was killed. I still love him. Now I go through my days doing the only thing that matters - making sure my girls survive. What else is there?I can't fall for the hot, sexy dragon-man Calaun. One of the Zmaj native to the hellish desert planet we crashed on. I've had my one shot at love... -
Fugitive by Cheryl Brooks
Rated: 4.15 of 5 stars · 19 ratingsA mysterious stranger in danger... The last thing Drusilla expected to find on vacation was a gorgeous man hiding in the jungle. But what is he running from? And why does she feel so mesmerized that she'll stop at nothing to be near him? Hypnotically attracted, he will risk his life to have her..Categorized as:
aliens m-f contemporary shapeshifters futuristic anal sex science fiction non-human-hero -
The Rogue Prince by Michelle M. Pillow
Rated: 4.15 of 5 stars · 17 ratingsThe Charmer... Prince Reid, Commander of the Outpost, is happy to live by his father's ways. No woman is safe when he sets his sights to charm her. Reid doesn't want love, he wants a good time. When the opportunity arises to get away on an ambassador's mission, he jumps at the chance--especially when that trip includes exotic destinations with even more exotic women...Categorized as:
aliens m-f contemporary alpha male shapeshifters futuristic science fiction length-short -
The Alien’s Little Sister by Amanda Milo
MATT:When my employee propositions me, I’m taken aback. Yeah, she's gorgeous, exotic, and adventuresome, but besides the issue of me being her boss, she proposes something casual. Which is reason enough to give me pause, because I’m not a casual kind of guy.But long story short, we get together, it’s great, and I’m crazy about her, which means I have a big problem...Categorized as:
aliens height-difference possessive hero m-f humor science fiction non-human-heroine tall-heroine -
The Last Second by Catherine Coulter, J.T. Ellison
Rated: 4.08 of 5 stars · 24 ratingsFrom New York Times bestselling authors Catherine Coulter and J.T. Ellison comes a riveting thriller pitting special agents Nicholas Drummond and Michaela Caine against a private French space agency that has the power to end the world as we know it... -
Declared by Sam Burns, W.M. Fawkes
An alien warrior, a kidnapped mate, and a traitor waiting to take everything from them both…Wesley: I’ve always loved space. Give me Star Trek over Lord of the Rings any day. Since I was a kid, all I’ve wanted is to explore the great beyond, to boldly go and all that jazz. And with my feet firmly stuck on Earth, the way I reach for the stars is through developing video games... -
Berserkr by Skye MacKinnon
Rated: 4.40 of 5 stars · 5 ratingsThe stars brought them together. The stars didn’t expect the carnage.Investigative journalist Laurel is on a mission. Women are going missing, women who registered with the Hot Tatties dating agency. On the hunt for the story that will make her career, she joins the agency, but when her match turns out to be a hunky alien warrior, everything changes. Aliens are real... -
-
Seduced by a Beast by Miranda Bridges
He wants me. And this male is used to getting whatever he demands. The only problem is I don't want to be bothered. Especially not hot and bothered. But he's not getting the hint. He thinks I'm his and that he needs to claim me. If I allow myself to ask what that means it'll probably add a couple of letters to my OCD. My disorder should deter him, like it has most people... -
Heart Fire by Robin D. Owens
Rated: 4.10 of 5 stars · 16 ratingsOn the planet Celta, accepting a HeartMate can be the greatest challenge in the universe… Antenn, an architect hired to build a cathedral in Druida City, dares not think of his HeartMate. Even though he yearns for her, he’s taken steps to ensure she will be forever unknown to him...Categorized as:
aliens fated-mates contemporary magic futuristic tortured heroine science fiction length-medium -
Corsairs: Kaspar by Ruby Dixon
I live for danger. For excitement. For adventure.When I end up in an escape pod with Alice, though, my world changes. She’s human. Vulnerable. She does NOT love danger, or excitement. But her mind is clever, her retorts sharp, and her smile brings me to my knees. I want nothing more than to keep her safe…and keep her at my side... -
Tempt Me Eternally by Gena Showalter
Rated: 4.05 of 5 stars · 20 ratingsNew York Times bestselling author Gena Showalter's Tempt Me Eternally is now available from S&S Audio for the first time! Gena Showalter puts a daring spin on a tale of huntress and hunted…and concocts a sensual chemistry that is positively explosive. Aleaha Love can be anyone—literally. With only skin-to-skin contact, she can change her appearance and assume any identity... -
The Bare Essentials by Honey Phillips
Can Janet survive the heat of an alien desert? And the heat of the alien warrior who finds her?One minute Janet is sliding into a snow bank. The next she is alone in the middle of a strange pink desert. Alone and naked.When a huge, golden-scaled male appears out of the shifting sands, she is convinced that he is a mirage. But the fiery pleasure of his touch feels too real to be an illusion... -
Heart Journey by Robin D. Owens
Rated: 4.05 of 5 stars · 18 ratingsView our feature on Robin Owens’s Heart Journey. New in the award-winning series of futuristic romance, fantasy, and sensual adventure. Helena, a renowned cartographer, is exploring Celta when she finds out she has a HeartMate. Yearning for a partner, she is drawn to meet him. Actor Raz Cherry is dedicated to his career...Categorized as:
aliens competent heroine fated-mates contemporary actors magic futuristic science fiction -
Better Than Friends by Jill Shalvis
Old flames reignite in Sunrise Cove in this charming enemies-to-lovers, second-chance, small-town, forced-proximity love story about family, friendships, and true love from New York Times bestselling author Jill Shalvis.When Olive Porter’s off-the-grid parents go missing, she reluctantly seeks out Noah Turner, her ex and the only person she both trusts implicitly and not at all...Categorized as:
suspense forced proximity fated-mates m-f contemporary from hate to love mystery humor -
Hope's Folly by Linnea Sinclair
Rated: 4.03 of 5 stars · 20 ratingsAdmiral Philip Guthrie is in an unprecedented position: on the wrong end of the law, leading a ragtag band of rebels against the oppressive Imperial forces. Or would be if he can get his command ship-the derelict cruiser called Hope's Folly-functioning. Not much can rattle Philip's legendary cool-but the woman who helps him foil an assassination attempt on Kirro Station will...Categorized as:
suspense aliens science fiction contemporary military futuristic length-long audiobook -
Snowed in with an Alien by Ava Ross
With Christmas approaching, can Aida and Trexon give an orphaned little girl her holiday wish, plus find the perfect ending for themselves?Before her conniving father can steal her orphaned niece away, Aida’s determined to give the three-year-old child the Christmas she’s been wishing for...Categorized as:
aliens m-f fated-mates science fiction single-mother non-human-hero open-door christmas -
Vikingr by Skye MacKinnon
He’s an alien Viking . . . She has no intentions of being his captive . . .Njal enjoys the life of a ruthless Vikingr captain: eat, drink and pillage to his heart's content. Then he and his crew of warriors get the worst possible news: their planet is destroyed.If their species is to survive, they must claim females to breed offspring... -
-
The Buff Beast by Honey Phillips
Can Mina survive the icy cold of an alien winter? And melt the heart of the hardened alien warrior who rescues her?Her home. Her job. In a few short months, Mina has lost everything, including hope. Freezing and alone on a winter night, she isn't sure if she will make it to the next day. Or even if it matters.She wakes up to find herself naked and freezing, but no longer alone...Categorized as:
aliens creative-anatomy m-f caretaking forced proximity survival science fiction grumpy sunshine -
Rita and the Raider by Honey Phillips
Every good mating begins with a kidnapping… Worvak was taught to value honor above all else. When his honor demanded he sacrifice everything to save a friend, he didn't hesitate. But then a dangerous mission leads him to a fragile, dirty female with enough courage for ten warriors - a female he would do anything to call his own. For the first time in his life, his honor and his heart are at war... -
Within Alien Arms by Nessa Claugh
The war bride program is the only thing keeping Earth safe from the ravages of other aliens, right?Every year thousands of human women ship off as brides to the planet Lukrim in exchange for Earth’s protection from Ralothian raiders. It’s a fair trade; Lukrim needs women and Earth needs guardians. It’s all volunteer, of course, except when a Lukrimian or two choose you as a wife and make you go... -
Hero by Cheryl Brooks
Rated: 3.97 of 5 stars · 21 ratingsHe is the sexiest, most irksome man she's ever encountered... Micayla is the last Zetithian female left in the universe. She doesn't know what's normal for her species, but she knows when she sees Trag that all she wants to do is bite him... He has searched all over the galaxy for a woman like her... Trag has sworn he'll never marry unless he can find a Zetithian female...Categorized as:
aliens m-f contemporary futuristic science fiction shapeshifters cold hero non-human-hero -
Heart Secret by Robin D. Owens
Rated: 3.98 of 5 stars · 18 ratingsOn the faraway planet Celta, there are some things you can never tell—until someone discovers your Heart Secret… When a virulent disease killed the woman he loved and her baby, Garrett Primross was left alive, a reluctant survivor. Now, as a private eye, he strives to banish the memories of his past and rebuild his life...Categorized as:
aliens suspense fated-mates contemporary futuristic magic science fiction historical -
Conquering the Alien Lord Protector by Bella Blair
The only thing that matters to me in this universe is HER!Silla: Aliens are real and have invaded Earth. For five days I manage to hold out before I am taken prisoner by the Cryons and brought to their home planet Colynth. Where they use me to extract DNA from a Pandraxian warrior by drugging me with an aphrodisiac and tying me to his bed for his pleasure...Categorized as:
aliens suspense fated-mates m-f height-difference possessive hero caretaking forced proximity
Find out more about romance.io.
Get recommendations by genres & tropes
Use the romance book finder to mix and match over 100 content keywords to find the books that match your preferences

Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.