Books like 'Ruthless'
Readers who enjoyed Ruthless by Kate Rudolph & Starr Huntress also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
futuristic science fiction demons shapeshifters aliens new adult suspense fated-mates forced proximity insta-love
-
Tane by Anna Hackett
Rated: 4.71 of 5 stars · 17 ratingsAs the battle against the invading aliens reaches its endgame, a group of bad boy bikers and mercenaries will stand and fight for humanity’s survival…. Tane Rahia is good at one thing—fighting. Before the alien invasion, he fought as a mercenary in the worst jungle hellholes...Categorized as:
aliens military independent heroine sweet heroine new adult abduction alpha male commander -
Zinnia and the Zombie by Honey Phillips
Her alien abductors made one fatal mistake: they put her in a cell with him. When Zinnia is uprooted from her life on Earth by alien slavers, she is thrown into a cell with a huge, golden statue. Desperate to escape her harsh new reality, she finds herself talking to him, baring her soul to the silent male... -
Sponsored links / Remove ads
-
A Home for the Alien Warrior by Honey Phillips, Bex McLynn
Can a lonely alien warrior find the family he’s always wanted? When tragedy shatters Claire’s world, she abandons her corporate job and retreats to a remote mountain town. Just when she finally begins to rebuild her life, she is abducted by alien slavers. Unable to escape the scientist who purchases her, she devotes herself to the young alien twins who are also trapped by his twisted experiments...Categorized as:
aliens sweet heroine abduction forced proximity insta-love fated-mates non-human-hero m-f -
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...Categorized as:
aliens non-human-hero alpha male fated-mates forced proximity m-f abduction science fiction -
-
Born with a Silver Moon by Milly Taiden
Rated: 4.59 of 5 stars · 16 ratings** COMPLETELY STANDALONE **. Discover a brand new race of Alpha males ready to find their mates in a dangerous warrior planet. Sassy women traveling with Gerri Wilder are in for the journey of a lifetime and a mate that will love them through the galaxy. Are you ready? Grab the next Galaxan romance between a sexy warrior and his fiery mate...Categorized as:
shapeshifters aliens non-human-hero m-f independent heroine humor science fiction futuristic -
Willow and the Wraith by Honey Phillips
Ruthless alien bounty hunter Wraith has buried his past so completely that not even he remembers his original name. All that matters now is that he's the best at what he does. He lives by two ironclad never break a contract and never get involved with a target...Categorized as:
m-f aliens forced proximity abduction sweet heroine career professional non-human-hero cold hero -
A Family for the Alien Warrior by Honey Phillips
A grumpy alien warrior. A pregnant librarian. A ready-made family? Wanda has never hankered after excitement - or romance. A quiet life as a small town librarian suits her just fine. But while she doesn’t need a man, she does want a child. Just as her hard-earned dreams come true, she is abducted by aliens...Categorized as:
aliens abduction forced proximity alpha male non-human-hero m-f cold hero science fiction -
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 sweet heroine cold hero m-f science fiction futuristic explicit-open-door length-medium -
Conqueror by Anna Hackett
After two years of alien captivity, Evie is free, but her captors have changed her. Now struggling to control a terrifying new power, her only hope is one formidable, dangerous alien king. Logistics manager Evie Mason is no longer a prisoner on an alien space station, but she’s far from Earth, suffering nightmares, and fighting to ignore the growing power inside her...Categorized as:
aliens forced proximity alpha male abduction shapeshifters fated-mates m-f science fiction -
Rescued by her Alien Protector by Mina Carter
Prepared to put her life on the line, she didn’t expect to lose her heart. Vice President Madison Cole is used to having a target on her back. Being captured by aliens? An acceptable risk to get what she needs. What she didn’t count on was falling for the ‘enemy’, a handsome alien warrior with a hero’s heart...Categorized as:
military suspense aliens career professional alpha male non-human-hero futuristic science fiction -
Vera and the Victor by Honey Phillips
A grumpy alien warrior, a rebellious almost-professor, and an alien paradise. .. One moment Vera is peacefully studying for her PhD in Ancient History, the next she is helping an alien race who look like fairies defeat the evil male who had her abducted. They need her help and she’s not about to back down, not even when a huge, grumpy gargoyle shows up on their island demanding their allegiance...Categorized as:
aliens m-f abduction insta-love career professional non-human-hero science fiction futuristic -
Endark by Honey Phillips
Can a determined human bride save an alien shifter from his beast? Half human and half Vultor - and rejected by both - Endark has lived his life alone. The only family he knows is the one he has formed with his warrior brothers. But even that bond is not enough to save him from his father’s cruel legacy. His only hope is a mate who will calm his inner beast...Categorized as:
aliens shapeshifters abduction alpha male forced proximity fated-mates non-human-hero m-f -
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:
military aliens non-human-hero m-f science fiction futuristic creative-anatomy explicit-plentiful -
Hatched by Erin Tate, Celia Kyle
Rated: 4.29 of 5 stars · 21 ratingsTaulan joi Lana Coburn, War Master of the Preor third fleet, is finally having his wishes granted. He has a mate and will soon have two dragonlets to protect and love. But only if he can live to see them born. Or, as his Lana says, hatched . This short story is set in the DRAGONS OF PREOR world and does not stand alone... -
-
Hunted by the Alien Berserker by Mina Carter
She’s a pilot, not a people person. What does she know about keeping a bunch of women alive on an alien planet? Even worse, said planet has alien cavemen intent on carrying them off to their lairs to… do whatever it is alien cavemen DO to their captives. Yeah, that doesn’t take a genius to figure out... -
Paul's Pursuit by S.E. Smith
Paul Grove loves two things in the world more than anything else: his daughter, Trisha, and roaming the mountains and forests of Wyoming. One he would kill for, the other is who he is. He has spent his life devoted to his ‘little’ girl, even though she isn’t so little anymore. When she disappears, he focuses all of his hunting and tracking skills on finding her...Categorized as:
alpha male shapeshifters aliens independent heroine fated-mates non-human-hero m-f science fiction -
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... -
Callum by Honey Phillips
Can a weary alien warrior and a wary human widow learn to love again? The life of a warrior is all Callum has ever known, but after a long, meaningless war he is tired of fighting. Instead, he chooses to accompany his brothers in arms to a new life on a backwater planet and finds an unexpected peace in the hard work of restoring their isolated ranch...Categorized as:
forced proximity aliens fated-mates insta-love non-human-hero m-f science fiction futuristic -
The Arcav Guard's Female by Hope Hart
Rated: 4.27 of 5 stars · 18 ratingsShe’s on a quest for revenge…. . .. But he’s on a mission to make her his. .. After being abducted by aliens and rescued by the Arcav, all Peyton wants is revenge. Well, that, and a trip straight back home to Earth where she belongs. She’s not interested in the handsome Arcav Guard who stares at her so intently. Even if he does make her wish she’d met him before her captivity...Categorized as:
military aliens non-human-hero m-f science fiction futuristic length-short audiobook -
Home World by Erin Raegan
Rated: 4.22 of 5 stars · 21 ratingsPeyton. I fell in love with an alien. Our world was invaded by carnivorous freaks and the Dahk swooped in and saved me and my friends. They want to save the Earth but we are our own worst enemy, or so I thought. The truth is we have no idea what's out there. Now I'm on my way to Home World. The Dahk's world. An alien world. I had no choice, it was taken from me...Categorized as:
aliens fated-mates non-human-hero m-f science fiction futuristic length-medium audiobook -
Dark Prince by Michelle M. Pillow
Rated: 4.15 of 5 stars · 32 ratingsOut of the fire…. Intergalactic thief, Olena Leyton is one of the best space pirates in history. Sailing the high skies in search of adventure is in her blood. When her crew is scattered in a run from the law and her ship crashes, exploding into a ball of flames, the injured Olena is forced to find sanctuary on a Galaxy Brides ship...Categorized as:
shapeshifters demons aliens fated-mates non-human-hero science fiction futuristic virgin heroine -
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... -
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 non-human-hero m-f futuristic science fiction length-novella explicit-open-door -
A Very Arcav Christmas by Hope Hart
Rated: 4.30 of 5 stars · 13 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... -
-
Alien Duke's Fated Mate by Mina Carter
She's the best pilot in the galaxy. .. He's an arrogant alien duke. Major 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...Categorized as:
military aliens m-f independent heroine commander non-human-hero science fiction explicit-open-door -
Sagitta by Ruby Lionsdrake
Rated: 4.20 of 5 stars · 17 ratingsDr. Tala Matapang thought the most challenging part about getting kidnapped by slavers from another planet would be escaping, not butting heads with the obstinate Star Guardian captain who rescued her. She’s been working in his sickbay, and it's refreshing not having to deal with the politics and bureaucracy she faced as a surgeon back home, but Captain Sagitta is as infuriating as he is handsome... -
Rendan by Erin Tate, Celia Kyle
Rated: 4.15 of 5 stars · 21 ratingsViolence is never the answer… unless you’re a Preor warrior. Rendan sen Tarkan, Offense Master to the Preor Third Fleet, has found his human mate. She is small compared to him, but her curves, delicious scent, and sky blue eyes call out to his soul. He has waited for a female for over two centuries and he will fight—kill—any who dare attempt to take her. Even one of his own males... -
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... -
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 military independent heroine m-f science fiction futuristic length-short audiobook -
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 military independent heroine m-f dystopian science fiction futuristic length-short -
Odin by Tasha Black
Rated: 4.33 of 5 stars · 9 ratingsShe swore she would never love again, but this dragon warrior's heat might just melt her resolve. .. Liberty is a widow who's come to Lachesis for a chance to raise a child and get a fresh start on a far away frontier moon. But she isn’t ready for the baby to come with Odin, an Invicta dragon warrior who has sworn to protect the child with his life...Categorized as:
aliens shapeshifters forced proximity fated-mates alpha male new adult insta-love non-human-hero -
Bane's Heart by Michelle Howard
Rated: 4.38 of 5 stars · 8 ratingsBane Hardusho is one of the famed Jutak Warriors from Team Three fighting for justice. When a potential career ending injury sidelines him, his position within the elite group is jeopardized. A military rehab center holds the only hope of helping him to get back on his feet. He should be concentrating on regaining his ability to walk, not the beautiful medic assistant assigned to help him... -
Protected by the Alien Space Guardian: My Monster, My Protector by Bella Blair
In the depths of space our worlds collide…ZOE: After aliens invaded Earth I am abducted and taken on a spaceship, bound for an unknown fate. Not even the company of other prisoners grants any hope, as we are all struggling to survive. Just as it seems the ship is about to crash, a mysterious savior appears—a powerful alien with eyes as dark as space...Categorized as:
aliens m-f abduction fated-mates science fiction futuristic dual-pov explicit-open-door -
Torrvok by Alana Khan
Rated: 4.60 of 5 stars · 5 ratingsTorrvok, a cunning and skilled warrior, protects Sierra from enemies who hunt them without mercy. But can he keep her safe from the raging beast writhing under his skin? Sierra. He rescued me—twice—then protected me on a dangerous chase across a continent. Despite his warnings not to trust him, when we’re together I’m only aware of the pounding desire his presence ignites. Torrvok...Categorized as:
insta-love alpha male aliens m-f science fiction futuristic length-medium first-in-series -
-
Taken by the Spare by Vilyn DeVine
Rated: 4.60 of 5 stars · 5 ratingsI had one day left on my shift when chaos erupts. Taking a job as a correctional officer on a ship that orbits Earth and Hydor isn’t thrilling, but it pays well. And once my month-long shift is over? I get a month of paid vacation. I work, then I travel. Repeat. I had just one more day to go, and then I’d be shuttled back to Earth and ready to go on my next adventure... -
Mercenary Abduction by Eve Langlais
All this mercenary wants is to kill and loot his way to fame and fortune, but his plans change when a human accidentally steals his heart. Makl is looking to become the greatest mercenary the universe has known. In true family tradition, he leaves a trail of mayhem and bodies wherever he goes. steals the most priceless of items, ravishes females left and right... -
The Reluctant Lord by Michelle M. Pillow
Rated: 4.18 of 5 stars · 15 ratingsFuturistic Romance. Polished, dignified and reserved in all things. That is a true nobleman. Lady Clara of the Redding, a living statue of perfection, has been raised a true Redde noblewoman. She has been taught to never show emotion, to never raise her voice, to touch as little as possible, and to never act wildly or rashly...Categorized as:
aliens shapeshifters demons non-human-hero science fiction futuristic cold heroine length-short -
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 military independent heroine m-f futuristic science fiction dystopian length-novella -
Exposed by Tana Stone
Rated: 4.18 of 5 stars · 13 ratingsSuspected of kidnapping. Broke. Dumped. Katie thought things couldn’t get any worse. Then, she was abducted by aliens. Sure, they were hot warrior aliens, and the space station she was taken to was the coolest place she’d ever seen... -
Chaos by Laurie Roma
Rated: 4.24 of 5 stars · 10 ratingsKatra Tesera is a female Dragon Warrior on a mission. Unsatisfied with the life her family wishes for her back on her home world, she seeks something more for her own future. When the opportunity to visit Earth arises, Katra is eager for the excitement and adventure of traveling the stars...Categorized as:
shapeshifters aliens independent heroine m-f science fiction magic futuristic length-medium -
Warrior Rescued by Stephanie West
Elena had no clue aliens existed before she awoke to discover her abductors had crashed while trying to colonize a new world. For two long years she’d been struggling on the baked and barren hellish planet, forced to survive all alone. The only thing that keeps her going is watching over her fellow humans, still in stasis and blissfully unaware of the nightmare all around...Categorized as:
aliens military alpha male suspense science fiction strong heroine futuristic length-medium -
Undone by Wendy Higgins
Rated: 4.17 of 5 stars · 13 ratingsUSA Today and New York Times bestselling author, Wendy Higgins, brings you the gripping, sensual conclusion to her apocalyptic trilogy. Amber Tate never dreamed their heart-wrenching escape from the enemy’s attack would lead them to the most beautiful place she’s ever seen, marred by one ugly fact; it’s under enemy control...Categorized as:
military aliens new adult suspense dystopian science fiction futuristic length-medium -
Alien General's Fated by Vi Voxley
Rated: 4.19 of 5 stars · 11 ratingsThis general will never lose. .. This is a full 100 k sci-fi romance novel, featuring a growly Alien Alpha general and a feisty, curvy human woman going against all the odds. It is part of a series but can and should be read as a standalone novel! No cheating and a guaranteed HEA! Aria Harris has been fighting for recognition all her life...Categorized as:
aliens military alpha male fated-mates science fiction futuristic political-intrigue length-epic -
Alien Soldier's Baby by Luna Hunter
Rated: 4.22 of 5 stars · 9 ratingsCan their interspecies romance achieve the impossible? Wanted: distracting assignment for third-wheel researcher. Kelly Graham feels like an intruder since her bestie and fellow scientist Jillian Archer married sexy alien warrior General Vinz... -
-
Alien Guardian's Baby by Luna Hunter
Rated: 4.22 of 5 stars · 9 ratingsCan their interstellar romance prevent a galactic war? Where no human has gone before. Isabella Parker is en route to Vortex Station in response to a mysterious message on her datapad... -
Gift of the Beast: Holiday Starrs by Sonia Nova
Rated: 4.22 of 5 stars · 9 ratingsGarr is a wreck. His years of torture has left him almost unable to speak or interact normally. He tries and tries to get back into the military where life is simple and regulated, but he's denied because of his mental trauma. Shea is a single mom who has moved in next door where she is close to family... -
Kozav by Erin Tate, Celia Kyle
Rated: 4.08 of 5 stars · 21 ratingsKozav found his mate and then he lost her. Now it’s time to hunt…. Grace Hall is a nurse, not a doctor. But when five Preor warriors are brought to the emergency room and the doctors don’t do a darn thing for them, she steps forward. Sure, they are aliens with massive wings who turn into dragons whenever they wish, but they still look human-ish... -
Daegon by Vi Voxley
Rated: 4.25 of 5 stars · 8 ratingsA warlord's choice is not to be questioned. .. Zoey Swann deals with the impossible. Impossible assignments, impossible expectations, impossible warlords. .. But no one's as difficult, infuriating and enthralling as Daegon, the Corgan warlord the curvy diplomat has to convince to not wreak havoc on his own people and the rest of the alliance along with it... -
Kol: Alien Abduction Romance by Vi Voxley
Rated: 4.25 of 5 stars · 8 ratingsForever is no time at all, sometimes. Jackie Hooper is all out of time. An incurable illness at her side, she's trying to make the best of the opportunities she has left. Getting abducted by a Nayanor warlord was not on that list of things to do. But then again, spending your last moments with the hottest man in the universe can't be all bad. . -
Novak by Luna Hunter
Rated: 4.29 of 5 stars · 7 ratingsThis alien general demands obedience. Being an ambassador ain’t easy — especially if you’re a young, curvy blonde on a space station full of aliens! Michelle Coors tries her best to serve humanity, but sometimes it feels like she’s running into a brick wall. The Zorans are the worst of them — headstrong, arrogant, alpha warrior aliens who show her zero respect...
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.

