Books like 'Sister Katherine'

Readers who enjoyed Sister Katherine by Tracy St. John also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

futuristic  sc-fi  romance  space  action / adventure  steamy  aliens  paranormal  enemies-to-lovers  space-travel 

  • Taunting Krell by Laurann Dohner

    Taunting Krell by Laurann Dohner

    Rated: 4.28 of 5 stars
    · 18 ratings
    Book 7 in the Cyborg Seduction series. Krell hates humans. They left him scarred and undesirable to females. He’s lived a lonely existence in his home world because of their brutality. So he’s angry when he’s ordered to interrogate the captured human. She’s the enemy, a soldier from Earth. He’ll show her the same mercy they showed him. None...
  • Shattered Silence by Anna Carven

    Shattered Silence by Anna Carven

    Rated: 4.27 of 5 stars
    · 15 ratings
    Enki Zakanin just wants peace and quiet. He's completed his mission, and on the journey back to the Kordolian Fleet Station, he'd prefer to be left alone so he can manage the literal demon inside his head. Alone. So when a strange distress call breaks the silence, his first instinct is to ignore the signal...
  • Redeeming Zorus by Laurann Dohner

    Redeeming Zorus by Laurann Dohner

    Rated: 4.22 of 5 stars
    · 18 ratings
    *** THIS IS A RERELEASE OF A PREVIOUSLY PUBLISHED BOOK *** Charlie’s brother has put her in the no-win situation of having to rescue a cyborg from Earth Government. It’s dangerous, she’ll become an outlaw on Earth, but it’s the only way to save her brother’s life. The imprisoned cyborg is rude, conceited and probably the biggest jerk she’s ever had the misfortune to meet...
  • The Torid Affair by Laurann Dohner

    The Torid Affair by Laurann Dohner

    Rated: 4.43 of 5 stars
    · 17 ratings
    When riots erupt on planet Torid, the crew of Defcon Red is tasked with quelling the violence and tending the injured. Even Alien Research Specialist Jessa Brick is pressed into service. Arguably more comfortable in her lab, the doctor is shocked at the obvious inequality on Torid...
  • Return to Dark Earth by Anna Hackett

    Return to Dark Earth by Anna Hackett

    Rated: 4.38 of 5 stars
    · 8 ratings
    His career plan never included becoming one of the galaxy's most infamous treasure hunters. And it certainly never included his one weakness: Nera Darc.Astro-archeologist Niklas Phoenix loved his job studying and safeguarding artifacts at the Institute of Historical Preservation...until he learned that it was all a lie...
  • Claimed by the Alien Warrior by Hope Hart

    Claimed by the Alien Warrior by Hope Hart

    Rated: 4.31 of 5 stars
    · 24 ratings
    What’s worse than being stuck on an alien planet? Being stuck on an alien planet when you’ve made an enemy of the local tribe King. Okay, so I may have stolen his favorite misua and snuck away to find my friends. But he should’ve known better than to forbid me to go. I’m a marine, and we leave no man-- or woman, behind...
  • The Fractured Mate by Susan Trombley

    The Fractured Mate by Susan Trombley

    Rated: 4.30 of 5 stars
    · 10 ratings
    As a captive of aliens, Paisley is forced to work as an engineering assistant on an ancient wrecker starship. She knows she has to keep her head down and her behavior humble in order to survive. When the crew responds to an automated distress call from an Akrellian warship that shouldn’t be malfunctioning, she senses a threat, but she knows no one will listen to her warnings...
  • Risteard’s Unwilling Empress by S.E. Smith

    Risteard’s Unwilling Empress by S.E. Smith

    Rated: 4.21 of 5 stars
    · 14 ratings
    Ristéard Roald is the powerful and deadly ruler of Elpidios, a planet that is slowly dying without the blood stones needed to absorb the radiation gradually destroying its stratosphere. He has sworn to do whatever it takes to protect his world and his people, but time is running out.Hope comes from an unexpected source, the Kassis...
  • Star's Storm by S.E. Smith

    Star's Storm by S.E. Smith

    Rated: 4.19 of 5 stars
    · 16 ratings
    Star Strauss has always been a fighter. From the time she was born prematurely to her life on the road as a circus performer. She has never let her small stature keep her from achieving her dreams. She is one of the best aerial performers in the world. Her love of being up high and flying free has helped her overcome the challenges she faces when she is on the ground...
  • Draekon Warrior by Lee Savino, Lili Zander

    Draekon Warrior by Lee Savino, Lili Zander

    Rated: 4.29 of 5 stars
    · 23 ratings
    Captured in space. Imprisoned. Sold to the highest bidder. But my biggest problem is this bossy, aggravating, impossible, alien who’s supposed to rescue me. The bossy alien I kissed. That might have been a mistake.Kadir is dangerous. I’ve seen him fight, and his body is littered with scars. He’s a soldier. A warrior. And when he loses control, he turns into a big scary dragon and breathes fire...
  • Stealing Coal by Laurann Dohner

    Stealing Coal by Laurann Dohner

    Rated: 4.17 of 5 stars
    · 18 ratings
    *** THIS IS A RERELEASE OF A PREVIOUSLY PUBLISHED BOOK *** Jill has learned the hard way that men can’t be trusted and sex only causes pain. In the lawlessness of space, women are a sexual commodity—to be used and abused. She’s doing a man’s job, with only her father’s brutal reputation and three androids to help keep her alive when she sees a massive, handsome cyborg chained to a freight table...
  • Edge of Eon by Anna Hackett

    Edge of Eon by Anna Hackett

    Rated: 4.24 of 5 stars
    · 26 ratings
    Framed for a crime she didn't commit, a wrongly-imprisoned space captain's only chance at freedom is to abduct a fearsome alien war commander. Sub-Captain Eve Traynor knows a suicide mission when she sees one. With deadly insectoid aliens threatening to invade Earth, the planet’s only chance of survival is to get the attention of the fierce Eon Warriors...
  • Champion by Anna Hackett

    Champion by Anna Hackett

    Rated: 4.25 of 5 stars
    · 24 ratings
    Fighting for love, honor, and freedom on the galaxy’s lawless outer rim…Space marine Blaine Strong enjoyed being a composed, controlled member of space station security…until he was abducted by alien slavers. Forced into underground fight rings and pumped full of drugs, he’s now seething with anger and out for revenge...
  • Into the Light by Anna Carven

    Into the Light by Anna Carven

    Rated: 4.21 of 5 stars
    · 27 ratings
    Abbey When your mate is a Kordolian General who's betrayed the most vicious Empire in the Universe, things tend to get a little heavy from time to time. For the last six months, Tarak's had to divide his time between Earth and space, dealing with various... problems. But he's home now, and he tells me he's not going anywhere...
  • Clan and Conviction by Tracy St. John

    Clan and Conviction by Tracy St. John

    Rated: 4.25 of 5 stars
    · 8 ratings
    The drug Delir is sweeping the Kalquorian Empire, leaving madness and death in its wake. Investigator Dramok Gelan has already lost his enforcer partner in a deadly shootout because of the case. With no clues or suspects, he despairs of putting an end to the epidemic. Then a familiar face enters the picture: new partner and former lover Nobek Wynhod...
  • Crashed on an Ice World by Anna Hackett

    Crashed on an Ice World by Anna Hackett

    Rated: 4.25 of 5 stars
    · 8 ratings
    He’s her boss. She’s his best friend. These two deep-space convoy security specialists are fighting their simmering attraction…until a starship crash on a deadly ice world changes everything.Elana Korra loves her security job as a medic on the convoy ship, the Sky Nomad…except for the fact that she’s in love with her boss...
  • Lost in Barbarian Space: A Phoenix Adventures Sci-fi Romance by Anna Hackett

    Lost in Barbarian Space: A Phoenix Adventures Sci-fi Romance by Anna Hackett

    Rated: 4.25 of 5 stars
    · 8 ratings
    A clash of cultures. Security agent versus barbarian warrior. On an expedition to a newly discovered barbarian world, an experienced security agent doesn’t expect to be working with a big, bossy barbarian warrior. Agent Honor Brandall enjoys her job as security agent for the Institute of Historical Preservation’s expedition ships. Adventures to distant planets – awesome...
  • Chasing Mayhem by Cynthia Sax

    Chasing Mayhem by Cynthia Sax

    Rated: 4.20 of 5 stars
    · 10 ratings
    Wild. Free. Hers. Mayhem has spent his lengthy lifespan obeying the Humanoid Alliance’s rules. Finally free from their cruel control, the cyborg warrior plans to cause chaos. He infiltrates a remote settlement, provokes the savage locals until they want him dead, and allows himself to be captured by the sexiest little Retriever he has ever laid his mechanically-enhanced eyes on...
  • Her Mate and Master by Renee Rose

    Her Mate and Master by Renee Rose

    Rated: 4.20 of 5 stars
    · 10 ratings
    “I’m your master. When I give you an order, you obey.” Talia didn’t escape her slave master only to be shackled again. Not even by a sexy male built of solid muscle who does wicked things with his fingers and tongue. Not even one of her own species who says he knows her father--the father she doesn’t remember...
  • His Human Rebel by Renee Rose

    His Human Rebel by Renee Rose

    Rated: 4.17 of 5 stars
    · 12 ratings
    CONSCRIPTED BY AN ALIEN ARMY, SHE PLOTS HER ESCAPE… Cambry doesn’t believe the aliens’ propaganda for one minute. The Zandians may have saved her from one death, but they planned to send her to another. She bides her time, waiting for her chance to get away and find her brother, enslaved by a different species...
  • Journey's End by M.A. Church

    Journey's End by M.A. Church

    Rated: 4.17 of 5 stars
    · 12 ratings
    Adapting is a word Dale Michaels has become familiar with. As he settles into his new life with the Tah’Narian starship captain Keyno, Dale has adapted to life with an alien, space travel, and having his body mutated so he can carry a young. He’s closed the chapter on his old life.Living on Tah’Nar, Dale has a loving mate and good friends. He’s helped cement peace with the Onfre...
  • Vexing Voss by Gail Koger

    Vexing Voss by Gail Koger

    Rated: 4.17 of 5 stars
    · 12 ratings
    For Voss, a Coletti Warlord, conquering the universe is a piece of cake. After all, he's a master of psychic seduction; no one can resist him when he sets his mind to it.Zoey Jones is determined to find her mother's killer. Surrendering to a fierce Coletti warrior is the last thing on her mind...
  • Dark Planet Warriors: Escape by Anna Carven

    Dark Planet Warriors: Escape by Anna Carven

    Rated: 4.17 of 5 stars
    · 12 ratings
    Abbey Ever since we left the Fleet Station, Tarak has been his usual cryptic self. For some reason, he’s keeping everything very low-key, to the extent that we’re trying to sneak in to Kythia. Something’s up, and he’s not telling me anything. Every time I try to get answers, he distracts me with his stupid sexiness. Stupid sexy, silver, stubborn, insistent alien...
  • Forged in Shadow by Anna Carven

    Forged in Shadow by Anna Carven

    Rated: 4.21 of 5 stars
    · 25 ratings
    Sergeant Arin Varga has a problem on her hands. She's supposed to be in charge of a squad of peacekeepers. That's something she would normally handle with ease, except that now her people are stuck in Earth's orbit on a doomed superfreighter...
  • The Outlaw Cyborg by Honey Phillips

    The Outlaw Cyborg by Honey Phillips

    Rated: 4.44 of 5 stars
    · 11 ratings
    Can a cyborg ranger save Mars - and the woman who won’t admit she needs him?Everything Serena Gatling ever wanted was taken away from her by a single horrific act of betrayal. Determined never to fall victim again, she closes her heart and dedicates her life to a cold-blooded quest to regain the one thing that still matters to her...
  • Dagger's Hope by S.E. Smith

    Dagger's Hope by S.E. Smith

    Rated: 4.13 of 5 stars
    · 16 ratings
    Dagger is a Trivator warrior. He is known for his dark and dangerous edge, making him the perfect warrior for impossible missions. He fears nothing, until he meets a young, delicate human female who wakens his heart. Her gentle touch, soft voice, and her shy sense of humor touch him in a way he never thought could happen...
  • Saved by Venom by Lolita Lopez

    Saved by Venom by Lolita Lopez

    Rated: 4.13 of 5 stars
    · 16 ratings
    To escape her father's debt to a loan shark, Dizzy seeks refuge in the upcoming Grab. She’d rather belong to one of those terrifying sky warriors from the battleship Valiant than to the sleazy criminal who wants her as his plaything.The years of constant war haven’t been kind to highly decorated sniper Venom. Only the promise of earning a wife kept him going through deadly battles...
  • Wray by M.K. Eidem

    Wray by M.K. Eidem

    Rated: 4.15 of 5 stars
    · 30 ratings
    Emperor Wray Vasteri is the ruler of the Tornian Empire, his House has ruled the Empire ever since the great infection struck over five hundred years ago and he fears he will be the last. The number of compatible females is dwindling faster than anyone knows and if compatible females aren’t found soon their entire civilization will cease to exist...
  • Shadowed by Evangeline Anderson

    Shadowed by Evangeline Anderson

    Rated: 4.16 of 5 stars
    · 27 ratings
    Reddix is a Kindred warrior with RTS—a debilitating disease that forces him to endure the emotions of others like a physical invasion every time he is around anyone. Nina is the girl he dreams of but can never have...
  • The Breeding Experiment by Laurann Dohner

    The Breeding Experiment by Laurann Dohner

    Rated: 4.18 of 5 stars
    · 24 ratings
    Darla Mitts has been secretly protecting her younger sister, Becky, for years. She’ll do anything to continue, even if it means leaving their family to work on a United Earth fleet ship. She thinks they’ll be safe. She’s quickly proven wrong when the sisters’ transport shuttle is seized by aliens instead...
  • Razor's Traitorous Heart by S.E. Smith

    Razor's Traitorous Heart by S.E. Smith

    Rated: 4.16 of 5 stars
    · 27 ratings
    Kali Parks is a shadow in the war between two factions that are fighting to gain control of Chicago. Born and raised on the streets, she stands as a silent sentinel at her brother’s side as he battles to gain control. She will do whatever it takes to bring peace to those she has pledged her life to protect, including fighting against the creatures that came to their world almost six years before...
  • Dark Horse by Michelle Diener

    Dark Horse by Michelle Diener

    Rated: 4.14 of 5 stars
    · 31 ratings
    Some secrets carry the weight of the world.Rose McKenzie may be far from Earth with no way back, but she's made a powerful ally--a fellow prisoner with whom she's formed a strong bond. Sazo's an artificial intelligence. He's saved her from captivity and torture, but he's also put her in the middle of a conflict, leaving Rose with her loyalties divided...
  • Chained by Evangeline Anderson

    Chained by Evangeline Anderson

    Rated: 4.15 of 5 stars
    · 27 ratings
    Maggie Jordan is not supposed to be having adventures. Her mission is to go to Gaia, a new, unpopulated world, and study the native life forms there...
  • Gracie's Touch by S.E. Smith

    Gracie's Touch by S.E. Smith

    Rated: 4.15 of 5 stars
    · 27 ratings
    Gracie Jones was little more than a child when the Earth was invaded by an alien species. Escaping into the subway tunnels of New York City, she hid in fear of being captured. Discovered by four men who became her protectors, she fought alongside them and they became known as the Freedom Five...
  • Breakout by Ann Aguirre

    Breakout by Ann Aguirre

    Rated: 4.16 of 5 stars
    · 23 ratings
    All hell is breaking loose in the edge-of-your-seat follow-up to Havoc and Perdition from New York Times bestselling author Ann Aguirre… The prison ship Perdition has become a post-battle charnel house with only a handful of Dred’s soldiers still standing and now being hunted by Silence’s trained tongueless assassins...
  • Ticees by Shae Mills

    Ticees by Shae Mills

    Rated: 4.17 of 5 stars
    · 6 ratings
    Ripped from her world during a chance encounter with an alien landing party, Chelan MacKay suddenly finds herself on board the galactic battleship RIBUS 7. Korba, an ebony-clad god of war, the Iceanean Commander of RIBUS 7, is irresistibly drawn to her. Defying all the laws that govern his people, he risks all to make her his...
  • Shalia's Diary: Book 4 by Tracy St. John

    Shalia's Diary: Book 4 by Tracy St. John

    Rated: 4.17 of 5 stars
    · 6 ratings
    This is a compilation from the free serial story blog ‘Shalia’s Diary – A Clans of Kalquor Story’ by Tracy St. John. It is highly recommended you read Shalia’s Diary, Books 1, 2, and 3 before reading this story. Shalia’s Diary Book 4 picks up immediately where Book 3 left off. Shalia feels ready for a little fun when the Kalquorian transport docks for shore leave at the Xniktix Space Station...
  • Game on Askole by Gail Koger

    Game on Askole by Gail Koger

    Rated: 4.17 of 5 stars
    · 6 ratings
    Tihar travels to Earth to find and claim a Jones’ female. He knows they are fearless, psychic warriors and talented in bed sport. Ten minutes after meeting Sarah, Tihar knows the feisty, little human is the one he has been searching for. Now he must convince Sarah, she’s meant to be his. The first-time Sarah sees Tihar, she’s a bit freaked out...
  • Warrior's Mate by Emma Alisyn

    Warrior's Mate by Emma Alisyn

    Rated: 4.17 of 5 stars
    · 6 ratings
    3rd book in the Yadeshi Brides series.A Dark Alien Prince + his unquenchable desire x his insatiable thirst = a warrior willing to defy a galaxy to claim his mate.Born with a platinum spoon in her mouth, warrior bride-in-training Gayle throws it away in order to sneak aboard a Yadeshi military vessel to escape imprisonment by her family...
  • Returned by Jane Hinchey, J.A. Hinchey

    Returned by Jane Hinchey, J.A. Hinchey

    Rated: 4.17 of 5 stars
    · 6 ratings
    Struggling to discover her role in a terrifying new world where everything has changed, she must decide who she can trust.Sierra Walker has been missing for 30 years. Her family thought she was dead, only when Sierra turns up, she hasn’t aged a day. But Earth has changed drastically.Biological warfare has decimated the planet...
  • Star Breaker by Viola Grace

    Star Breaker by Viola Grace

    Rated: 4.17 of 5 stars
    · 6 ratings
    With an asteroid heading to Morganti, Kale volunteers to retrieve the Star Breaker, a weapon that has the ability to shatter anything in it's way. When he takes possession he feels a familiar presence, a star's Avatar is trapped within the sphere. Carella has been waiting for her freedom, and when her sphere collides with the asteroid, she is naked, free, and in the mood to blow something up...
  • Under Strain by Cynthia Sax

    Under Strain by Cynthia Sax

    Rated: 4.17 of 5 stars
    · 6 ratings
    A damaged cyborg warrior is hunted by a peace-loving human female.***Strain is severely malfunctioning. The D Model cyborg was the sole survivor of a horrific decision made by his cruel manufacturers. He hates all humans and when he attacks one placed under his cyborg leader’s protection, he is reprimanded, stripped of his weapons, told to watch and not actively participate in the next mission...
  • His Virgin Princess by Grace Goodwin

    His Virgin Princess by Grace Goodwin

    Rated: 4.10 of 5 stars
    · 10 ratings
    Danielle arrives on Everis excited to meet her new mate. She watches as her friends find happiness while haunted by dreams of an Everian Hunter who will not come for her—a mate who refuses to claim her. But something isn't right. The dreams turn dark. Tortured...
  • Stowaway by Susan Hayes

    Stowaway by Susan Hayes

    Rated: 4.10 of 5 stars
    · 10 ratings
    Sonja Grekov has spent her life in a gilded cage, trapped by her wealthy family’s expectations and the scroll tattoo on her face that declares her to be one of the coveted fertile women on Earth. No longer willing to be a pawn to further her parents’ ambition, she finally finds the courage to break free before she can be claimed in a loveless match...
  • Reality Bites by Gail Koger

    Reality Bites by Gail Koger

    Rated: 4.10 of 5 stars
    · 10 ratings
    Bree never thought her dimwit act, military grade mace, cattle prod, or dumping a ton of stinky manure on Jaylan's head would encourage his pursuit...
  • To Catch A Warrior by C.L. Scholey

    To Catch A Warrior by C.L. Scholey

    Rated: 4.10 of 5 stars
    · 10 ratings
    Titus, leader of the southern Zargonnii, has made it his mission to find a single female he was placed in charge of months earlier; a female he lost while trying to save her; a female he cannot find. His determination leads him to the extreme. The only place left to look is a planet within a sun. A planet full of ice and snow and emptiness, except for one little female, Zabbie...
  • Bull Headed by Ella Maven

    Bull Headed by Ella Maven

    Rated: 4.10 of 5 stars
    · 10 ratings
    Are you afraid of the dark?KiniWhen I open my eyes, I’m certainly not in my apartment with its pink walls and fluffy pillows. I’m in a cage surrounded by things that are not human. And I’m definitely not on Earth. I’m wearing some sort of weird suit, and the only way I can breathe is through a complicated helmet...
  • Training His Human by Renee Rose

    Training His Human by Renee Rose

    Rated: 4.08 of 5 stars
    · 12 ratings
    "YOUR OBEDIENCE TRAINING BEGINS TODAY."Seke has no interest in owning or training a slave. Not even Leora, the beautiful human who had captivated his thoughts and fantasies since her arrival on their pod. As the Zandian Master of Arms, he has a war to plan and new troops to train. He can't be tempted by the breathtaking human slave, who, according to Prince Zander, grows aroused by punishment...
  • Fallen Star by Morgan Hawke

    Fallen Star by Morgan Hawke

    Rated: 4.07 of 5 stars
    · 14 ratings
    Isabeau Fallon, the Fallen Star is one of the finest thieves on Dyson's Ring station--until she's caught by the Skeldhi hunter, Sobehk. Trapped and altered into a skeldhi-human hybrid sex-pet known as a "rehkyt," her past is a closed door -- until it literally comes back to haunt her in the form of E'sey Khan...
  • Enhanced by Evangeline Anderson

    Enhanced by Evangeline Anderson

    Rated: 4.14 of 5 stars
    · 23 ratings
    Mei-Li Hastings is in trouble. She’s Dream Sharing with a Kindred warrior. Normally that’s a regular part of being claimed by one of the tall, handsome aliens who came to Earth looking for brides. But in Mei-Li’s case, nothing is normal. The dreams she’s having show a huge, frightening male with a red laser for an eye and a metal arm...
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