Books like 'The Perfect Ruby: A Science Fiction Romance'

Readers who enjoyed The Perfect Ruby: A Science Fiction Romance by E.K. Darnell also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

science fiction  poly (3+ people)  m-m-f

  • Duty's Reward by M. Tress

    Duty's Reward by M. Tress

    Rated: 4.82 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 14 ratings
    Finishing up his first year as a cadet-adept, Desmond’s life is going pretty well as far as he’s concerned. Three beautiful and exotic women love him and have agreed to entwine their lives together. His powers as an Adept have continued to grow as he practices and refines weaving the threads of mana into the world. All while he continues to defy the expectations set by his origins...
  • Honor's Challenge by M. Tress

    Honor's Challenge by M. Tress

    Rated: 4.75 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 15 ratings
    A little over four months has passed since Desmond McLaughlin was physically yanked from his home and thrown to the mercy of a conquering alien empire when they demanded he be handed over for training as he was an ‘Adept’, one of the few able to harness the power of magic in the universe...
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  • Susix by Amelia Rademaker

    Susix by Amelia Rademaker

    Rated: 4.31 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 48 ratings
    Being abducted by aliens is terrifying. Everything after that? Pretty boring. Cece Levine didn’t believe in aliens. That is, right up until she was abducted. Life in space is not what she expected. She lives in a cage. She's left alone all the time. And the boredom is driving her insane. When a thief who is more snake than man, mistakes her for an exotic pet, Cece decides to just roll with it...
  • The Light We Seek by Katie May

    The Light We Seek by Katie May

    Rated: 4.51 of 5 stars
    · Steam rating: 1 of 5
    Glimpses and kisses [?] · 22 ratings
    Now that I survived the initial storm, I find myself back where I once was: under the control of my dickish parents (if dickish even is a word). Day by day, the world gets worse. Storms brew on the east coast, volcanos erupt on the west, and zombie-like creatures continue to attack the cities. Where does that leave me? Hopefully not dead. .. at least, not yet...
  • The Rise of the Iliri: Books 1-3 by Auryn Hadley

    The Rise of the Iliri: Books 1-3 by Auryn Hadley

    Rated: 4.51 of 5 stars
    · 21 ratings
    THE TOUGH, TREACHEROUS ROAD TO BELONGING—AN ALPHA FEMALE IN A WARRIOR FAMILY. .. One part reverse harem sci fi fantasy, one part irresistible paranormal romance, the Rise of the Iliri series is an epic tale of one extraordinary woman’s quest for justice, hope, and love...
  • King's Fall by Bruce Sentar

    King's Fall by Bruce Sentar

    Rated: 4.69 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 14 ratings
    Ard and his companions are being hunted by King Martin, who has gone completely scorched earth on his own kingdom in an effort to root them out. The lovable mage finds a quiet spot in the uninhabitable wilds of Garrish to train his soul magic—only nothing ever goes quite according to Ard’s plan...
  • Fallen Star by Morgan Hawke

    Fallen Star by Morgan Hawke

    Rated: 4.32 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 35 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, who captures her and makes her a sex-pet. Trapped and altered into a skeldhi-human hybrid known as a rehkyt, her past is a closed door - until it literally comes back to haunt her in the form of a E'sey Khan...
  • Sun in the Oven by Milly Taiden

    Sun in the Oven by Milly Taiden

    Rated: 4.51 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 18 ratings
    **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 third Galaxan romance between two sexy warriors and their fiery mate. Henley Rourke is a woman who loves a challenge...
  • Revenge of the Walker by Coralee June

    Revenge of the Walker by Coralee June

    Rated: 4.66 of 5 stars
    · 13 ratings
    I'll build an army to take back what is mine. Revenge may harden the heart, but I'll gladly suffer the consequences. I've lost my family, my best friend, and the men I love. The little Walker girl from Galla is dead. Now, all that's left of her is a girl willing to risk it all. They call me Queen of the Walkers.
  • Draekon Desire Boxed Set by Lee Savino, Lili Zander

    Draekon Desire Boxed Set by Lee Savino, Lili Zander

    Rated: 4.59 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 14 ratings
    We are Draekons. Dangerous, fire-breathing dragon shifters. For the safety of the galaxy, we’ve been exiled to a prison planet. Then a spaceship carrying human women crashes into our lives. The instant we lay eyes on them, we know. They are our mates. Ours to protect. Ours to cherish. Ours. Forever. EXILED TO THE PRISON PLANET - THE COMPLETE COLLECTION:...
  • Hoards and Harbors Part 2 by S.M. Olivier

    Hoards and Harbors Part 2 by S.M. Olivier

    Rated: 4.36 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 25 ratings
    One of my worst nightmares came to fruition, and I was separated from some of my guys. Not knowing their fate left me in a state of constant anxiety. We were determining our next move and waiting for the hordes to pass only added to the stress of the unknown. Of course, leaving the prison and embarking on our next journey was also fraught with additional dangers...
  • Book of the Damned: A-E5L1-01-00 by V.E.S. Pullen

    Book of the Damned: A-E5L1-01-00 by V.E.S. Pullen

    Rated: 4.23 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 39 ratings
    We know who Azzie is now. We think we know what’s going on: the base, the study, why she pushes us away…. Turns out we don’t know anything. ~o~. My doctors, my foster family, my friends, even Mouse has been lying to me. Sasha, Luka, and Sev aren't even teenagers let alone high school students...
  • Lord of Shadows by Cassandra Clare

    Lord of Shadows by Cassandra Clare

    Rated: 4.40 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 147 ratings
    Would you trade your soul mate for your soul? A Shadowhunter’s life is bound by duty. Constrained by honor. The word of a Shadowhunter is a solemn pledge, and no vow is more sacred than the vow that binds parabatai, warrior partners—sworn to fight together, die together, but never to fall in love...
  • Savage Bonds by J. Bree

    Savage Bonds by J. Bree

    Rated: 4.28 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 676 ratings
    With my gift coursing through my veins, the tables have turned on the Draven Campus. I’m no longer the Giftless reject, no longer the girl who’s fair game to the other students for daring to run away from my Bonds. But there are bigger problems heading my way. With destiny pushing me closer and closer to each of my Bonds, I’m fighting tooth and nail against nature to keep my distance...
  • Discovered by M. Sinclair

    Discovered by M. Sinclair

    Rated: 4.45 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 63 ratings
    Important Note: Discovered is book 3 in the Silver Falls University series. Readers can find Lost and Forgotten, books 1 and 2 in the series, as part of the Kingdom of Wolves Universe Collection. Please note, Lost and Forgotten should be read FIRST before Discovered in order to read the series in proper order. https://geni. us/SFU-1. Five broken alphas. One lost wolf. A fate she never expected...
  • Venery by C.M. Stunich

    Venery by C.M. Stunich

    Rated: 4.31 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 102 ratings
    I’ve been abducted by an alien in a cowboy hat. He needs me to play the role of fake fiancée to appease his family of tentacle-tailed cops. I’ll keep up the charade as long as I need if it means being reunited with Abraxas and Rurik. Shouldn’t be too hard, right? To play pretend …. My life force is now inextricably tied to handsome, gun totin’ Officer Hyt...
  • MX Hub by Daniel Schinhofen

    MX Hub by Daniel Schinhofen

    Rated: 4.67 of 5 stars
    · 24 ratings
    Everything had changed for Zander Greaves over the last few weeks. He’d gone from being a private military contractor with his squad in the Middle East to being isekai-ed into a different multiverse. He lost his friends and his lover, Selda, in the same hour of his arrival, sparking in him the mission to kill every single Entoma he could to repay them for his loss...
  • Terran Tactics by Daniel Schinhofen

    Terran Tactics by Daniel Schinhofen

    Rated: 4.74 of 5 stars
    · 20 ratings
    MX Hub had proven to have challenges that Zander hadn’t anticipated. Accidentally getting tagged by a rogue element, he thwarted corporate espionage at Maverick Mecha Manufacturing. Lavella Hemoesta, the owner of Maverick, met with him to work out a deal so her company wouldn’t be given bad press. That meeting changed the future for both Lavella and Zander...
  • Defiance by Auryn Hadley, A.H. Hadley

    Defiance by Auryn Hadley, A.H. Hadley

    Rated: 4.44 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 40 ratings
    HER ONLY CHOICE IS TO CHANGE HER WORLD…. Salryc Luxx has come a long way in just four years, from slave to conscript, to elite Black Blade assassin, rising rapidly as her extraordinary abilities are revealed...
  • The Interludes by Santino Hassell, Ais

    The Interludes by Santino Hassell, Ais

    Rated: 4.71 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 19 ratings
    The Interludes is an anthology of stand alone stories that exist between Book #2 (Afterimage) and Book #4 (Fade) of the In The Company of Shadows series. This anthology contains key plot points and major development of characters and relationships that cannot be missed. In the Company of Shadows series description:...
  • Vital Found by Kaydence Snow

    Vital Found by Kaydence Snow

    Rated: 4.27 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 111 ratings
    Bradford Hills feels more like home than any other place Evelyn Maynard and her mother lived while on the run. But with everyone reeling from the violent clash between Variants and humans, her new home doesn’t feel safe any more. Navigating four increasingly complicated supernatural bonds in secret doesn’t help. Ethan and Josh can’t keep their hands off her...
  • Beyond Jealousy by Kit Rocha

    Beyond Jealousy by Kit Rocha

    Rated: 4.36 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 51 ratings
    She’s been looking for the perfect man. She found two. When Rachel Riley sacrificed a life in Eden to protect the O’Kanes, she earned her place in the powerful Sector Four gang. But the former crime princess is tired of being everyone’s sweet little sister...
  • Cavalier's Gambit by William D. Arand

    Cavalier's Gambit by William D. Arand

    Rated: 4.69 of 5 stars
    · 18 ratings
    Wayne dreamed of piloting a thirty-foot-tall walking robot that was closer to a battle-tank than anything else. They were called Walkers. They were armed with laser cannons, rockets, missiles, and heavy kinetic weapons more similar to artillery pieces than guns, and everything that went with that. Unfortunately, he had been declined military service...
  • Refuge Found by S.M. Olivier

    Refuge Found by S.M. Olivier

    Rated: 4.37 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 42 ratings
    If you had told me that the world would turn to crap a year ago, I would have never believed you. If you had told me I'd be living with my cheating ex and my manipulative twin sister, I would have laughed. Had you informed me I'd be in a relationship with five men, I would have asked what meds you had forgotten to take. Yet here I am at Sanctuary...
  • Senseless by Crystal Ash

    Senseless by Crystal Ash

    Rated: 4.33 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 48 ratings
    Our home is on the brink of war, and my marriage hangs by a thread. While neighboring armies threaten to march on Four Corners, I’m dealing with a war zone at home. I can’t bring myself to look at Reaper or Gunner, let alone speak to them. I don’t know where my love life stands, or if I even have one anymore. Only Jandro is my rock, and only my work gives me purpose...
  • Hope by Auryn Hadley, A.H. Hadley

    Hope by Auryn Hadley, A.H. Hadley

    Rated: 4.67 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 17 ratings
    By reader request, Hope is a full-length epilogue novel to show what comes after the series ends. The war is over. The dead have been laid to rest. Peace is on the horizon, and Anglia is a country that needs to be put back together...
  • Risen by Auryn Hadley, A.H. Hadley

    Risen by Auryn Hadley, A.H. Hadley

    Rated: 4.54 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 22 ratings
    In the final stretch of the war, the rules are changing faster than Anglia can keep up. The Kaisae of all Iliri is gone. Her mates are holding the army together. Her dreams are changing everything—and Sal? She's not done yet. The Emperor has taken too much from her. Life, loves, and much of her happiness. All she has left is desperation —and blind trust. But she's not alone...
  • Seminal by C.M. Stunich

    Seminal by C.M. Stunich

    Rated: 4.20 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 137 ratings
    I don’t play the role of the kidnapped princess very well. And I really hate the fated mates trope. Hello again, I’m Eve Wakefield, and I refuse to accept that I’m in love with an intergalactic moth prince. No. I don’t care how handsome he is, I don’t want to marry him. I don’t care if his parents have a sentient spaceship capable of eating entire planets...
  • Fostering Faust 3 by Randi Darren

    Fostering Faust 3 by Randi Darren

    Rated: 4.48 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 25 ratings
    ((Minor Spoiler and Warning at the bottom of the blurb. Please read all the way through. )). The war with Gaelis has gone poorly for Alex’s foes and well for his allies. He’s enriched himself, empowered his county with that coin, and built his county ever higher. The war swings in favor of his Duchess. Yet the war still goes on...
    Categorized as:
    fantasy  harems  erotica  war  dark  western  science fiction  poly
  • Princess Ballot by Jaymin Eve, Tate James

    Princess Ballot by Jaymin Eve, Tate James

    Rated: 4.23 of 5 stars
    · Steam rating: 3 of 5
    Open door [?] · 70 ratings
    You have been chosen. Those four words change Violet Spencer’s whole life, when against staggering odds, she's selected in the "princess ballot. ". Arbon Academy is affectionately known as the school for Royals. Only the rich, powerful, or heir to a throne gain entry . .. except for the one scholarship student accepted every five years...
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