Books like 'Promises to Keep'

Readers who enjoyed Promises to Keep by Janet Miller also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

futuristic  sc-fi  romance  space  supernatural  aliens  steamy  warriors  paranormal  enemies-to-lovers 

  • Born of Legend by Sherrilyn Kenyon

    Born of Legend by Sherrilyn Kenyon

    Rated: 4.55 of 5 stars
    · 30 ratings
    It is in the darkest hours of a universe’s past that their legends are born and their heroes rise…No one knows exactly how much heart they have until their mettle is put to the hazard and they reach the lowest point of hell. There, they have only two choices. Lie down and die. Or find the strength to push themselves to their feet and fight back with everything they have...
  • Age of Deception by T.A. White

    Age of Deception by T.A. White

    Rated: 4.55 of 5 stars
    · 30 ratings
    War hero and daughter to two Houses, Kira is just beginning to learn how deep the rabbit hole goes. Agreeing to accompany her father’s people back to their homeworld, Kira Forrest prepares for the fight of her life. She’s agreed to undertake the Trial of the Broken, a rite of passage every member of her father’s House must pass...
  • Hero by Anna Hackett

    Hero by Anna Hackett

    Rated: 4.53 of 5 stars
    · 26 ratings
    Fighting for love, honor, and freedom on the galaxy’s lawless outer rim… Raised from birth to be a soldier, Kace Tameron is a disciplined, military-trained gladiator. He is on contract to the Kor Magna Arena to hone his fighting skills on the blood-soaked arena sand and then return to the military. He lives for one thing: to protect his planet, and on his world, love is forbidden...
  • Born of Fire by Sherrilyn Kenyon

    Born of Fire by Sherrilyn Kenyon

    Rated: 4.36 of 5 stars
    · 36 ratings
    In a universe where assassins make the law, everyone lives in fear--except for Syn. Born of an illicit scandal that once rocked a dynasty, he always knew how to survive on the bloodthirsty streets. But that was then, and the future is now…Syn was raised as a tech-thief until his livelihood uncovered a truth that could end his life...
  • Rebel by Jenny Schwartz

    Rebel by Jenny Schwartz

    Rated: 4.42 of 5 stars
    · 12 ratings
    Life is complicated along the Hadrian Line. Decisions made on the border will decide the fate of the entire Human Sector.Nora is adjusting to her new role as a player in the games of the powerful. She's gained some interesting enemies and some even more dubious allies. She has also been presented with a unique opportunity, courtesy of Jonah...
  • 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...
  • Victoria's Challenge by M.K. Eidem

    Victoria's Challenge by M.K. Eidem

    Rated: 4.29 of 5 stars
    · 14 ratings
    Victoria Lynn Chamberlain… at two, she was abducted by an alien race, the Regulians… at nine, her world literally explodes when the Regulians returned, destroying Earth. She and her Aunt are the only survivors thanks to another alien race, the Carinians. Now she’s eighteen, a new graduate from their top medical school, and is ready to claim her life mate...
  • Loving Zorn (Zorn Warriors, #1-2) by Laurann Dohner

    Loving Zorn (Zorn Warriors, #1-2) by Laurann Dohner

    Rated: 4.29 of 5 stars
    · 14 ratings
    Ral's WomanAriel never knew aliens existed until she finds herself kidnapped and taken from Earth. When the Anzon declare humans useless, she learns her fate-prize for the winner of a brutal fight between large, muscled alien men. Ral is a Zorn warrior. He has also been kidnapped by the Anzon, along with his crew. Forced into slavery, he's got one thing on his mind-freeing his people...
  • Cassandra's Challenge by M.K. Eidem

    Cassandra's Challenge by M.K. Eidem

    Rated: 4.25 of 5 stars
    · 16 ratings
    Alternative cover edition ASIN B00CKXWOM2Cassandra Chamberlain has always stood out. It's hard not to at 6’1” and 165 pounds with jet black hair and sapphire blue eyes. And if that wasn’t enough she is also brilliant, graduating from Harvard at fifteen, teaching at MIT at nineteen and up for the prestigious Magellan Award at twenty five. But she’s never really fit in...
  • 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...
  • Big Dicker by K.C. Cross, J.A. Huss

    Big Dicker by K.C. Cross, J.A. Huss

    Rated: 4.38 of 5 stars
    · 8 ratings
    Welcome to Mighty Minions Resort. Jimmy’s personal hell. All Jimmy wants is a booster shot of DNA scrambler so he never has to find his one-true soul mate. But life rarely goes the way you plan it. After dropping Xyla off on Blue Sand Beach for a little vacay with her sexbot girlfriends the Big Dicker has to make an emergency landing on the demon-themed Mighty Minions Resort...
  • 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...
  • Rita and the Raider by Honey Phillips

    Rita and the Raider by Honey Phillips

    Rated: 4.30 of 5 stars
    · 10 ratings
    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...
  • Defending the Galaxy by Maria V. Snyder

    Defending the Galaxy by Maria V. Snyder

    Rated: 4.25 of 5 stars
    · 12 ratings
    Year 2522. Oh. My. Stars.Junior Officer Ara Lawrence here, reporting for duty. Again. It's situation critical for the security team and everyone in the base - including my parents - with a new attack from the looters imminent, a possible galaxy-wide crime conspiracy and an unstoppable alien threat. But this all pales in the face of my mind-blowing discovery about the Q-net...
  • Mission: Planet Biter by Laurann Dohner

    Mission: Planet Biter by Laurann Dohner

    Rated: 4.21 of 5 stars
    · 14 ratings
    When his Veslor grouping answers a distress call on planet Biter, Roth discovers a sole survivor. The little female isn't rational and latches onto him like a lifeline. That surprises Roth, since most humans fear him. This one won't let him go, but he must resist his desire for her. It's the only honorable thing to do...
  • 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...
  • 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...
  • Seduced by the Alien Warrior by Hope Hart

    Seduced by the Alien Warrior by Hope Hart

    Rated: 4.36 of 5 stars
    · 16 ratings
    Okay, so he’s not really the devil, but he may as well be. The Tribe King is gorgeous, arrogant, and devious. He refused to hand over crucial information to help us find our friends until I agreed to stay with him. For a year.As far as I’m concerned, deals made under duress don’t count. Anyone who would demand such a thing in exchange for our friends’ freedom simply can’t be trusted...
  • 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...
  • Cornering Carmen by S.E. Smith

    Cornering Carmen by S.E. Smith

    Rated: 4.23 of 5 stars
    · 26 ratings
    Carmen Walker has spent the last three years of her life focusing on avenging the murder of her husband. Following leads to the man responsible, she finally has a chance to bring closure to the overwhelming pain and grief that is slowly eating away at her. Catching a ride on the business jet her sister is co-piloting, she heads to California to meet with her informant...
  • Plundered by Tana Stone

    Plundered by Tana Stone

    Rated: 4.25 of 5 stars
    · 23 ratings
    My sister gave herself to the raider warlord to save me. Now I’m hunting him down and getting her back.I’ve never forgiven myself for letting that brute drag her off my ship, and I’ve done nothing but search for his horde of warships since he let my ship go free...
  • 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...
  • Warrior by Anna Hackett

    Warrior by Anna Hackett

    Rated: 4.21 of 5 stars
    · 27 ratings
    Fighting for love, honor, and freedom on the galaxy’s lawless outer rim… It was supposed to be an exciting job on a space station, but instead, scientist Dr. Regan Forrest finds herself fighting for her life when she’s kidnapped by alien slavers...
  • Salvation by Laurie Roma

    Salvation by Laurie Roma

    Rated: 4.20 of 5 stars
    · 10 ratings
    Officer Skylar Aris is a woman with a troubled past. As a Class-A Conduit, she is beautiful and deadly, making her stand out among the rest of the elite soldiers. She has worked hard to succeed as one of the only female interrogators in the Security and Interrogation Division, but everything she has dreamed of is put in jeopardy when she’s given an ultimatum that will change her fate...
  • 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 Michele Mills

    His Human Rebel by Michele Mills

    Rated: 4.20 of 5 stars
    · 10 ratings
    After a teeny incident with red paint, my hometown votes that it’s done with my activist ways . . .Now I’m on an entirely different planet, holding a single suitcase, standing on a platform, waiting for my new alien husband to arrive . . . I bite my lip as I wait because there’s one serious problem with this whole situation . . . after a best forgotten, one-night stand gone wrong . .
  • His to Steal by Taylor Vaughn, Eve Vaughn

    His to Steal by Taylor Vaughn, Eve Vaughn

    Rated: 4.17 of 5 stars
    · 12 ratings
    The Xals do things to the girls who try to run. Bad things they don’t necessarily recover from…I’ve grown up my whole life knowing that after a woman turns twenty-one in my settlement, she must submit to being mated by our alien overlords, the Xalthurians. Running from the mating ceremony means punishment…or worse. But I’m the freak...
  • 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...
  • Draekon Abduction by Lee Savino, Lili Zander

    Draekon Abduction by Lee Savino, Lili Zander

    Rated: 4.17 of 5 stars
    · 12 ratings
    How to Fail as an Intergalactic Spy: 1. Crash spaceship on wrong planet.2. Break leg.3. Get abducted by rogue prisoners.4. End up with two pairs of dragon-shifters claiming I’m their mate. Here’s a report for the CIA: The aliens are freaking good kissers. The mission was simple: Go to the Zorahn planet. Spy on the aliens...
  • 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...
  • The Bound Prince by Michelle M. Pillow

    The Bound Prince by Michelle M. Pillow

    Rated: 4.14 of 5 stars
    · 14 ratings
    Shapeshifter RomanceCat-shifter Prince Falke commands the Var armies, so it’s a little embarrassing when a beautiful female kidnaps him in his shifted form. Since no one knows where to send a rescue party, it’s up to him to use all his training and powers of seduction to find his way back home...
  • Infinity's Embrace by Anna Carven

    Infinity's Embrace by Anna Carven

    Rated: 4.13 of 5 stars
    · 15 ratings
    Rescued from captivity by a group of rather intimidating Kordolians, Noa finds herself recovering at a strange facility in the middle of the desert. SynCorp's medical experiments have left her with an impossible ability she can't control, and nobody really seems to know how to help her. She's fragile and shattered, a mere shadow of her former self, and she has nowhere else to go...
  • Pursued by Evangeline Anderson

    Pursued by Evangeline Anderson

    Rated: 4.18 of 5 stars
    · 30 ratings
    Elise is fractured inside, stained by a past she refuses to remember.Merrick is scarred both inside and out, a half-breed with a brutal background, at home nowhere in the universe.Now they are tied together by an unstable bond which could kill them both.Their journey will take them to the lawless planet of Rageron—the wildest of all the Kindred worlds...
  • Navigating the Stars by Maria V. Snyder

    Navigating the Stars by Maria V. Snyder

    Rated: 4.13 of 5 stars
    · 16 ratings
    “The answer is no, Lyra,” my mother utters her favorite—I swear—phrase. No means I have to travel with them to another planet—again. No means leaving all my friends fifty years in the past. Thanks, Einstein. Seventeen-year-old Lyra Daniels can’t truly blame Einstein or her parents for their impending move across the Milky Way Galaxy...
  • That Irresistible Poison by Alessandra Hazard

    That Irresistible Poison by Alessandra Hazard

    Rated: 4.11 of 5 stars
    · 19 ratings
    "I hate you." Please touch me. "You sicken me." Hold me closer. "I want to be free of you." I can't live without you.The messed-up part is, he means everything he says.The youngest prince of his clan, Seyn has been betrothed to the crown prince of another clan since birth. Everyone says he's so lucky to marry one of the most respected, powerful men on the planet, but Seyn knows better...
  • 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...
  • When She Purrs by Ruby Dixon

    When She Purrs by Ruby Dixon

    Rated: 4.15 of 5 stars
    · 28 ratings
    Life on a farm planet at the edge of the universe can be dangerous for a human woman alone.That’s why I need a husband. ANY husband.Unfortunately, all the men I approach keep running off. So I hire a bounty hunter to kidnap me someone capable and strong, someone who will scare off the creeps that are trying to move in on my territory.It’ll be a marriage of convenience only...
  • Descended by Evangeline Anderson

    Descended by Evangeline Anderson

    Rated: 4.19 of 5 stars
    · 20 ratings
    Charlotte Walker is just an intern trying to get through her surgical rotation in one piece when her life takes an abrupt turn for the weird. A seven-foot tall patient with multicolored eyes and golden skin shows up in the ER asking for her. When he tells Charlotte she's supposed to be the Empress of the entire galaxy, she naturally thinks he's high or crazy or both.He's not...
  • Grim by M.K. Eidem

    Grim by M.K. Eidem

    Rated: 4.11 of 5 stars
    · 35 ratings
    King Grim Vasteri is the most feared warrior in the Tornian Empire. He has been sent by his Emperor to find and retrieve compatible females for their dying civilization...
  • Capturing Cara by S.E. Smith

    Capturing Cara by S.E. Smith

    Rated: 4.12 of 5 stars
    · 30 ratings
    Cara Truman is a pint-size pistol whose inquisitive nature has gotten her into trouble on more than one occasion. Her next adventure takes her further than she even expected when she ends up on a journey out of this world.Trelon Reykill thought he had his hands full...
  • Out of Darkness by Anna Carven

    Out of Darkness by Anna Carven

    Rated: 4.13 of 5 stars
    · 28 ratings
    The Kordolians are loose on the asteroid mining station Fortuna Tau, and first-rank mechanic Jia Morgan has become caught up in the thick of things. Under the careful watch of these steely-eyed silver warriors, Jia and her team have been tasked with repairing the hull of the Kordolians’ Alpha-Class battle cruiser, Silence...
  • Haldis Imperium by Viola Grace

    Haldis Imperium by Viola Grace

    Rated: 4.17 of 5 stars
    · 6 ratings
    Amy Tyrell has worked for the most arrogant, obnoxious, and handsome guy she has ever seen for the last few years. His Imperial Highness Palden VII was attached to his Negotiator Tyrell, and considered him his best friend. The armor that was worn by the Negotiators both protected her and kept her from contact, until it came off...
  • Scarred by Susan Hayes

    Scarred by Susan Hayes

    Rated: 4.17 of 5 stars
    · 6 ratings
    Laesa Fen left her home planet, Tartarus, in search of a new life. A recently freed harem slave, she is finally traveling the galaxy and visiting the places she could only dream of while she was the property of a Tarin warlord. On her own for the first time, she is finally free to pursue her art and to discover who she is and what she wants out of life...
  • Kept From the Deep by Octavia Kore

    Kept From the Deep by Octavia Kore

    Rated: 4.17 of 5 stars
    · 6 ratings
    A forgotten past, a tormented present, and a future in jeopardy. She’s been abducted from Earth, experimented on in the Grutex labs, and thrown into the path of not just one massive alien mate, but two. As a Filipina nurse living in America, she isn’t a stranger to adapting to unusual situations, but nothing could have prepared her for what’s to come...
  • 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...
  • Astonish by Viola Grace

    Astonish by Viola Grace

    Rated: 4.17 of 5 stars
    · 6 ratings
    Ceelie was nothing exceptional until the moment she became the most important woman to an entire world…and its avatar.Trapped in a job working as an assistant for an ambassador, Ceelie is hoping for something better for her life, but she knows that it isn’t likely. While on an assignment to obtain some atmosphere scrubbing trees Ceelie finds herself courted and seduced before she can blink...
  • Asteroid by Viola Grace

    Asteroid by Viola Grace

    Rated: 4.17 of 5 stars
    · 6 ratings
    Sebena has spent her time in the Alliance using her accuracy to blow large rocks into tiny rocks suitable for refinement. When she picks up a heat signature she has to pursue it, even if it means doing it on her own time. Finding a life pod is not really a surprise, but having it functioning and its occupant alive is quite the shock...
  • Harness by Viola Grace

    Harness by Viola Grace

    Rated: 4.17 of 5 stars
    · 6 ratings
    Using tech to hold her shape becomes a problem when she meets a man who drives her senses into overdrive.Alfreda has become used to the constant pressure of her harness, keeping her in a basic bipedal form and helping her back into her Terran shape. When she learns that her mixed blood makes the shapeshifter in her far stronger than the human, she has a choice...
    Categorized as:
    aliens  paranormal  steamy  warriors  adult  book  fiction  futuristic
Promises to Keep by Janet Miller
Fantastic book recommendations by book lovers for book lovers.
Find out more about thebooknaut.com.

Looking for more inspiration? Enter another book title to get more suggestions on what to read next.

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

romance book finder preview 1
romance book finder preview 2
romance book finder preview 3