Books like 'Heart's Keeper'

Readers who enjoyed Heart's Keeper by Olivia Riley also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

science fiction  aliens  military  m-f  strong heroine  creative-anatomy

  • Catalyst by Fletcher DeLancey

    Catalyst by Fletcher DeLancey

    Rated: 4.67 of 5 stars
    · 9 ratings
    After disobeying orders and saving the planet of Alsea from invasion, Captain Ekatya Serrado returns home a hero and renegade, alongside Dr. Lhyn Rivers, now the foremost authority on a culture that fascinates and terrifies. They share a secret: they are tyrees, linked by an Alsean empathic bond that should be biologically impossible for two Gaians...
    Categorized as:
    military  aliens  science fiction  f-f  queer  length-long
  • Dark Strength by Cynthia Sax, Amanda Kelsey

    Dark Strength by Cynthia Sax, Amanda Kelsey

    Rated: 4.71 of 5 stars
    · 7 ratings
    The 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...
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  • Resilience by Fletcher DeLancey

    Resilience by Fletcher DeLancey

    Rated: 4.71 of 5 stars
    · 7 ratings
    As the first Alsean to serve aboard a Protectorate warship, Rahel Sayana thought her empathic sense would be an advantage. She never imagined it could be a weakness.Captain Ekatya Serrado has her hands full with a new empathic officer, an attempted murder, and a missing cargo ship. Finding the lost ship only adds to her problems: its crew lies dead amid signs of alien predators...
  • Destin's Hold by S.E. Smith

    Destin's Hold by S.E. Smith

    Rated: 4.42 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 14 ratings
    Internationally acclaimed, New York Times and USA TODAY bestselling author of Science Fiction, Urban Fantasy, and Paranormal Romance, S.E. Smith, brings another action, adventure, and suspense-filled story to transport readers out of this world! Destin Parks will do whatever it takes to rebuild the city he calls home, even if it means working with another alien ambassador...
  • King of Eon by Anna Hackett

    King of Eon by Anna Hackett

    Rated: 4.45 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 12 ratings
    The King of the Eon Warriors has decided to take a Terran as his bride…but finds himself shockingly attracted to the tough, beautiful Space Corps officer in charge of his potential brides’ security.King Gayel Solann-Eon is dedicated to his people and empire. His father was a hard man and a rigid king, but Gayel is doing things his own way...
  • Guardian by Anna Hackett

    Guardian by Anna Hackett

    Rated: 4.42 of 5 stars
    · 12 ratings
    Rescued from alien slavers, former cop Dayna wakes to discover she’s host to a powerful alien symbiont, and the only man who can help her is the mysterious and dangerous casino owner, Rillian...
  • Brilliant Starlight by Anna Carven

    Brilliant Starlight by Anna Carven

    Rated: 4.37 of 5 stars
    · 14 ratings
    Abbey We're back on Silence , orbiting the Dark Planet while my husband handles unfinished business on Kythia. For some reason, he seems a little bit tense. According to Tarak, Kythian politics can be complicated, especially when the entire Kordolian Empire has just been destroyed. I hope things don't get too complicated, because I don't want to be stuck here for too long...
  • Going Ballistic by Dorothy Grant

    Going Ballistic by Dorothy Grant

    Rated: 4.67 of 5 stars
    · 6 ratings
    When 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...
  • The Vixen War Bride by Thomas J. Doscher

    The Vixen War Bride by Thomas J. Doscher

    Rated: 4.67 of 5 stars
    · 6 ratings
    With the destruction of their home colony, Captain Ben Gibson and his Army Rangers have nowhere else to go. Six months after humanity’s victory in Earth’s first ever interstellar war, a group of soldiers are tasked with running a convoy refueling base in a rural part of the occupied enemy world...
  • Betting on the Alien Bride Lottery by Margo Bond Collins

    Betting on the Alien Bride Lottery by Margo Bond Collins

    Rated: 4.61 of 5 stars
    · 9 ratings
    I’ve spent my whole adult life betting on all the wrong men. And I always lose.My best friend Mia ended up with a Khanavai warrior—Commander Gendovi. She’s so lucky.Of course, she went through hell before finding that luck. But now she’s blissfully happy, married—and mated, as the Khanavai said—to the man of her dreams. And pregnant with her third child.I’m happy for her, really I am...
  • AvX by Jennifer Julie Miller

    AvX by Jennifer Julie Miller

    Rated: 4.57 of 5 stars
    · 7 ratings
    IvyWhy are the last words ever spoken to our loved ones is in anger? I knew the moment I left it was a mistake, but my stubborn pride urged me forward. I’ve awakened to unimaginable horrors, pain unlike anything the human mind could conceive, until him. Now, I’m too scared to trust my own feelings, as they have only led me astray...
  • Imperator by Anna Hackett

    Imperator by Anna Hackett

    Rated: 4.37 of 5 stars
    · 12 ratings
    Space 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...
  • Survivors by Anna Hackett

    Survivors by Anna Hackett

    Rated: 4.50 of 5 stars
    · 8 ratings
    In the aftermath of a deadly alien invasion, a band of survivors fights on…Survivors contains three action-packed novellas in the Hell Squad series.Includes:Nate – Long before the aliens invaded, former Marine Nate Caldwell came home a broken man. Going off-grid in a cabin he inherited in Australia’s Blue Mountains, he survived the invasion with only his dog Blue for company...
  • Supreme's Kiss by M.K. Eidem

    Supreme's Kiss by M.K. Eidem

    Rated: 4.50 of 5 stars
    · 8 ratings
    All Kirall wanted to do was bring his mate home, love her, and make sure she never suffered again as she had on Earth.All Autumn wanted was to make a home on Mondu, love Kirall, and maybe have a family.While some on Mondu embrace and support the return of the Supremes, others do not. Not everyone is happy Supremes have returned. Change causes conflict. Lives are about to change...
  • Captured for the Alien Bride Lottery by Margo Bond Collins

    Captured for the Alien Bride Lottery by Margo Bond Collins

    Rated: 4.56 of 5 stars
    · 9 ratings
    I refused to be in the Bride Lottery—so now I’m a runaway bride.Somehow, I knew my name was going to be drawn in the Bride Lottery—the hellish agreement that Earth’s leaders had made to sell us to the aliens who protected our planet.I’d grown up with the propaganda. It was our civic duty. Men registered for the draft, women registered for the Bride Lottery...
  • Storm of Eon by Anna Hackett

    Storm of Eon by Anna Hackett

    Rated: 4.40 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 10 ratings
    When a Terran weapons scientist finds herself the target of deadly alien assassins, only one fierce alien warrior can keep her safe...
  • The Arcav Captain's Queen by Hope Hart

    The Arcav Captain's Queen by Hope Hart

    Rated: 4.37 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 14 ratings
    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...
  • Sagitta by Ruby Lionsdrake

    Sagitta by Ruby Lionsdrake

    Rated: 4.31 of 5 stars
    · 12 ratings
    Dr. 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...
  • Cajole by Jenny Schwartz

    Cajole by Jenny Schwartz

    Rated: 4.28 of 5 stars
    · 14 ratings
    If life on the border was complicated, life on Capitoline is insane. Nora and Liam struggle to reconcile her abilities and his duty, while caught up in the dangerous games of the powerful.Political intrigue, family drama, and ancient alien technology combine in the fourth novel of the Human Sector...
  • Seduce by Tana Stone

    Seduce by Tana Stone

    Rated: 4.35 of 5 stars
    · 10 ratings
    I thought being kidnapped by vile, alien slavers was bad enough. Then I woke up on a lust moon.I know all about the Xulonian recreation moons, but I’d hoped to end up on the hunting one. As a security officer for the empire, I know how to fight. I am not prepared to wake up practically naked on a strange island...
  • Faith, Part 3 by Grace Goodwin

    Faith, Part 3 by Grace Goodwin

    Rated: 4.60 of 5 stars
    · 5 ratings
    The 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...
  • Cheating in the Alien Bride Lottery by Margo Bond Collins

    Cheating in the Alien Bride Lottery by Margo Bond Collins

    Rated: 4.50 of 5 stars
    · 6 ratings
    I have no desire to join the Alien Bride Lottery.But even more than that, I don't want my parents to choose a husband for me. And that's what will happen if I stay on Earth.So I make a deal with them: if I go to Station 21 and don't get chosen by a Khanavai male, I will come home and allow them to plan the rest of my life...
  • Transcend by Sandra R. Neeley

    Transcend by Sandra R. Neeley

    Rated: 4.50 of 5 stars
    · 6 ratings
    Elite Force Commander Kol Ra’ Don Tol has been obsessed with Earth and its cultures for as long as he can remember. He’s thrilled when the gods smile on him, giving him an Ehlealah, a mate, that is human. But she’s suffered traumas and abuse that no being should have to endure. As a result, she’s not as receptive to his claim that she’s his as he hoped she’d be...
    Categorized as:
    aliens  m-f  science fiction  length-medium
  • The Last Symbiotes 2: Living Starship by Dante King

    The Last Symbiotes 2: Living Starship by Dante King

    Rated: 4.50 of 5 stars
    · 6 ratings
    James Decker, captain of the living starship Farrago, has a mission: locate the seven symbiotes scattered across space. This mission will bring him credits beyond his imaginations, but it could also save the universe.He has found three, but there are still four more out there.And all the while, the strange faceless man from the Cloud Sea is never far away...
  • Doubt by Jenny Schwartz

    Doubt by Jenny Schwartz

    Rated: 4.24 of 5 stars
    · 15 ratings
    Alien mysteries. Parental responsibilities. The scout ship Kangaroo has jumped into trouble.Nora Devi intended to leave her old life behind. But when a quick detour to acquire the funds for a new identity goes awry, she finds herself plunged ever deeper into the troubles she hoped to avoid.The Human Sector is a stash of fuel cells just waiting for a spark to explode...
  • Holmes by Anna Hackett

    Holmes by Anna Hackett

    Rated: 4.32 of 5 stars
    · 10 ratings
    The battle of survival against the invading aliens heats up…but Hell Squad never quits. General Adam Holmes’ life is dedicated to keeping his small band of survivors alive. On the run, with only Hell Squad and the other soldiers for protection, they are making their last dangerous drive to the secret stronghold of the Enclave...
  • Starfighter Command: Game 2 by Grace Goodwin

    Starfighter Command: Game 2 by Grace Goodwin

    Rated: 4.43 of 5 stars
    · 7 ratings
    I'm obsessed with the game.I spend so many hours playing that I dream about dangerous missions on other worlds...and my gorgeous, in-game training partner, Kassius. That is, until I win. I beat the Starfighter Training Academy...
  • Hugo by Jennifer Julie Miller

    Hugo by Jennifer Julie Miller

    Rated: 4.43 of 5 stars
    · 7 ratings
    MiyaI awaken to the touch of cold metal hands and talking holograms. Paralyzed and dependent on the Others. They tell me a story… at first; I refuse to believe. A story of no return and extreme loss, but one of the voices is different. He projects anger and distrust…but his hands… even though cold and hard, are always gentle...
  • Amaranthe II: Rebellion by G.S. Jennsen

    Amaranthe II: Rebellion by G.S. Jennsen

    Rated: 4.43 of 5 stars
    · 7 ratings
    AMARANTHE II: REBELLION is jam-packed with over 1,200 pages of Sci-Fi Adventure**Includes the Aurora Renegades trilogy (Sidespace, Dissonance, Abysm), the 2nd trilogy in the Amaranthe universe, + a short story + bonus content)**It is a time of accelerating technological change & shifting allegiances as the old rules fall away & the old balance of power is upended...
  • Zakota by Ruby Lionsdrake

    Zakota by Ruby Lionsdrake

    Rated: 4.38 of 5 stars
    · 8 ratings
    Katie Saunders isn’t used to sitting on her butt, but she’s been stuck doing exactly that as the Star Guardians fly all over the galaxy, trying to get her and the other kidnapped women back home. Now it looks like they have to engage in a battle against evil aliens before making the final flight to Earth. Since they’ve captured an extra ship and are short on pilots, Katie wants to help...
  • Redemption by Sandra R. Neeley

    Redemption by Sandra R. Neeley

    Rated: 4.38 of 5 stars
    · 8 ratings
    Cast 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...
  • Defying Fate by Regine Abel

    Defying Fate by Regine Abel

    Rated: 4.38 of 5 stars
    · 8 ratings
    No more secrets. No more lies.For the past eight years, Tevek has searched for his missing mother and sister. But as a top technological mind of Guldar, he is closely watched. And as one of the secret leaders of the rebellion, he must tread carefully...
  • Dom: Scifi Alien Invasion Romance by Anna Hackett

    Dom: Scifi Alien Invasion Romance by Anna Hackett

    Rated: 4.33 of 5 stars
    · 9 ratings
    As the battle against the invading aliens intensifies, a group of bad boy bikers and mercenaries will stand and fight for humanity’s survival… Squad Three berserker Dom Santora has an ugly past he can’t forget. Born and raised in the darkness, he spent his life before the alien invasion as a Mafia enforcer...
  • Soul of Eon by Anna Hackett

    Soul of Eon by Anna Hackett

    Rated: 4.33 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 9 ratings
    The last thing she expects is an instant mating with a handsome alien warrior…just before they are abducted by the deadly Kantos.Commander Kaira Chand of the Australian Air Force knows the meaning of loss. She lost both her beloved husband and her father over recent years, and she vows never to let a man close again...
  • A Monster's Love by Lynnea Lee

    A Monster's Love by Lynnea Lee

    Rated: 4.40 of 5 stars
    · 10 ratings
    TRJUNWhen I charged the enemy to rescue a ravishing female who caught my eye, I didn’t expect the mate bond to drop me to my knees. Captured, I’m locked behind electrified bars in a genetic lab where a researcher throws the female into my cell and demands we reproduce.I vow to do everything in my power to make my little mate happy, but I won’t claim her until I extricate us from this cruel prison...
    Categorized as:
    aliens  m-f  science fiction  length-short
  • Transcendence by G.S. Jennsen

    Transcendence by G.S. Jennsen

    Rated: 4.24 of 5 stars
    · 14 ratings
    What does it mean to be human? What if the price of saving humanity is giving up your own? The year is 2322, and we stand upon the precipice of extinction. The invading Metigen armada has decimated the eastern third of settled space in a matter of days, leaving tens of millions dead...
    Categorized as:
    aliens  military  science fiction  war  length-long
  • Bound: A Sci-Fi Alien Warrior Romance by Tana Stone

    Bound: A Sci-Fi Alien Warrior Romance by Tana Stone

    Rated: 4.30 of 5 stars
    · 10 ratings
    She’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...
  • Astray by Jenny Schwartz

    Astray by Jenny Schwartz

    Rated: 4.21 of 5 stars
    · 15 ratings
    Nora Devi is a xeno-archaeologist with a complicated past. She has buried more secrets than she’s dug up. Widowed in the recently ended twelve year war between Capitoline and Palantine, she now makes a living as an independent tagger in border space.Captain Liam Kimani could be credited with ending the latest royal war. Instead, he’s blamed for it...
  • The Arcav Guard's Female by Hope Hart

    The Arcav Guard's Female by Hope Hart

    Rated: 4.31 of 5 stars
    · 13 ratings
    She’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...
  • A Darkside Interlude (Darkstar Mercenaries .5) by Anna Carven

    A Darkside Interlude (Darkstar Mercenaries .5) by Anna Carven

    Rated: 4.23 of 5 stars
    · 12 ratings
    Commander 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...
  • Rescued by the Alien Warrior by Hope Hart

    Rescued by the Alien Warrior by Hope Hart

    Rated: 4.30 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 12 ratings
    I may have almost died on this planet, but it hasn't broken me yet.At least, I'm working real hard to toughen up and become the kind of woman who'll be ready to board that spaceship and kick some Grivath a**.But, thanks to the way the overprotective warrior at my side insists on hovering, you'd be forgiven for thinking I'm fragile...
  • Vixin by Tana Stone

    Vixin by Tana Stone

    Rated: 4.22 of 5 stars
    · 12 ratings
    It's the most wonderful time of the year...to be stranded with an alien on an ice planet.Noelle is finally leaving her job on the Drexian space station and going home to Scotland for the holidays. Two things she didn't expect: to be sharing the trip with a hot Neebix named Vixin and for their ship to crash land on a frozen planet...
  • Agent of Change by Sharon Lee, Steve Miller

    Agent of Change by Sharon Lee, Steve Miller

    Rated: 4.14 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 21 ratings
    IT STARTS WITH A MAN WHO WAS NOT WHAT HE SEEMED... “The man who was not Terrence O’Grady had come quietly.” Introducing Val Con yos’Phelium – interstellar spy, starship pilot, musician, and incidentally, a brother to Clutch Turtles...
  • Tempt Me Eternally by Gena Showalter

    Tempt Me Eternally by Gena Showalter

    Rated: 4.17 of 5 stars
    · 14 ratings
    New 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...
  • Damnation by Jean Johnson

    Damnation by Jean Johnson

    Rated: 4.19 of 5 stars
    · 12 ratings
    It began with a terrible vision of the future. Compelled by her precognitive abilities, Ia must somehow save her home galaxy long after she’s gone...
  • Roth by Anna Hackett

    Roth by Anna Hackett

    Rated: 4.20 of 5 stars
    · 11 ratings
    In the aftermath of a deadly alien invasion, a band of survivors fights on… Roth Masters is a protector to the bone. Driven by the losses of his past, he fights side-by-side with Hell Squad to protect the human survivors of the alien invasion. As leader of Squad Nine, he and his team are known for their perfect timing in a firefight...
  • Space Deputy by Jenny Schwartz

    Space Deputy by Jenny Schwartz

    Rated: 4.40 of 5 stars
    · 5 ratings
    A millennia into the future, the Saloon Sector is a mix of the 1950s and the Wild West, with robots. It’s where careers go to die. Thelma Bach graduated top of her class after four years at the Galactic Justice Academy. But she’s a Rock Sector citizen. The core worlders were never going to let her transcend her background...
  • Trailblazer by Michelle Diener

    Trailblazer by Michelle Diener

    Rated: 4.40 of 5 stars
    · 5 ratings
    He's on a mission . . . She's running for her life . . . And if they get off-planet alive, she'll have to trust he won't reveal her darkest secret. Tally Riva is not what she seems, and even she's not happy about it. Infected, invaded, she's not quite sure how to describe it, but on a disastrous mission to a ghost ship, something burrowed its way into her body. Into her mind...
  • Alien Beast by Lili Zander

    Alien Beast by Lili Zander

    Rated: 4.50 of 5 stars
    · 6 ratings
    This human I’m saddled with is… happy.Cheerful, even.She likes to sing to the cat.Kill me now.A year ago, an explosion – the same explosion that killed my best friend – destroyed me.Ruined me.Made me look like a monster.I’m a shadow of the man I once was.I want to be left alone.Instead… there’s Bella.Bella, who sings when she’s happy.Who likes to talk...
  • Undying Stars: Darkstar Mercenaries Book 6 by Anna Carven

    Undying Stars: Darkstar Mercenaries Book 6 by Anna Carven

    Rated: 4.20 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 11 ratings
    When Kora Williams wakes up inside the dark alien warship called Silence, fate has spun completely out of her control.She doesn't understand why she was abducted by a vicious, depraved Kordolian, and she can't believe she was rescued by an even more dangerous one. A big, armor-clad brute of a warrior, who lifted her into his arms far too easily, as if she weighed next to nothing...
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