Book picks similar to
Mercenary Instinct by Ruby Lionsdrake


romance
sci-fi
science-fiction
sci-fi-romance

Star Nomad


Lindsay Buroker - 2016
    It should be a time for celebration, but not for fighter pilot Captain Alisa Marchenko. After barely surviving a crash in the final battle for freedom, she's stranded on a dustball of a planet, billions of miles from her young daughter. She has no money or resources, and there are no transports heading to Perun, her former home and the last imperial stronghold.But she has a plan.Steal a dilapidated and malfunctioning freighter from a junkyard full of lawless savages. Slightly suicidal, but she believes she can do it. Her plan, however, does not account for the elite cyborg soldier squatting in the freighter, intending to use it for his own purposes. As an imperial soldier, he has no love for Alliance pilots. In fact, he's quite fond of killing them.Alisa has more problems than she can count, but she can't let cyborgs, savages, or ancient malfunctioning ships stand in her way. If she does, she’ll never see her daughter again.

Toxic Desire


Robin Lovett - 2018
    She should want to kill him. But everything on Fyrian is an aphrodisiac. So she just wants to have him. Now.Revenge. That’s all commander Oten has wanted against humans for more than a century, ever since they tried to destroy his kind. He never thought he’d end up in bed with one. But the desire the sex planet stokes for this human female is eating him alive. Keeping his hands, his mouth, and his vampiric fangs to himself proves impossible—especially when she’s begging him to touch her.Nemona has no idea what endless sex with a Ssedez will do to her. But Oten knows all too well. They need to get off this planet. Before their coupling stirs an alien mating bond that neither of their hearts can withstand.

His Human Slave


Renee Rose - 2016
    While he would never choose a human of his own accord, his physician's gene-matching program selected Lamira's DNA as the best possible match with his own. Now he must teach the beautiful slave to yield to his will, accept his discipline and learn to serve him as her one true master. Lamira has hidden her claircognizance from the Ocretions, as aberrant traits in human slaves are punished by death. When she's bought by a Zandian prince for breeding and kept by his side at all times, she finds it increasingly harder to hide. His humiliating punishments and dominance awake a powerful lust in her, which he tracks with a monitoring device on her arousal rate. But when she begins to care for the huge, demanding alien, she must choose between preserving her own life and revealing her secret to save his. Devour the first steamy stand-alone romance in USA Today Bestselling Author Renee Rose's Alien Warrior series.  **This book was originally included in the box set Human Surrender.

Grabbed by Vicious


Lolita Lopez - 2013
    One of the frightening sky warriors from the warship Valiant is hot on her heels and intent on capturing her as his new bride. He takes her down and places his collar around her neck. With one word, he claims her.Mine.Born and bred for the military, Vicious has spent the last twenty-four years rising through the ranks. This dark-haired sprite ensnared him with one glance. Now she is his reward.Despite her fear of Vicious, Hallie surrenders under his skillful hands and mouth. Vicious makes a promise to her. If she’ll submit to him, she’ll know only pleasure and comfort. After a lifetime of hardship, his offer tempts her greatly.One night with Hallie and Vicious feels his protective instincts flaring. He’ll do anything to make her happy and keep her safe, even if that means surrendering his heart. Though he intended to master her, Vicious realizes it may be his sweet Hallie who masters him.Inside Scoop: Our heroine endures trials and violence with strength equal to that of her warrior mate. (She also witnesses F/F play, and endures a collar and light BDSM. Fortunately she likes that part.)Librarian Note: Per blog post from the author, this series has been put on hold and is unlikely to be completed. For more information, please see authors post.http://www.lolitalopezbooks.com/news/...

Slave


Cheryl Brooks - 2008
    Even filthy, chained, and beaten, he gives off an aura of power and virility and his feline gene gives him a special aura.Jacinth is an intergalactic trader on a rescue mission and she needs a man she can trust with her life.She has spent years pursuing her kidnapped sister from planet to planet. Now her quest leads her to a place where all the women are slaves. "Jack" needs a slave of her own-one who can masquerade as her master.Enmeshed in a tangle of deception, lust, and love, they must elude a race of violent killers and together forge a bond stronger than any chains. The first book in wildly popular Cat Star Chronicles, a paranormal romance series featuring heroes with a feline gene that gives them remarkable sexual powers.The Cat Star Chronicles: Slave (Book 1)Warrior (Book 2)Rogue (Book 3)Outcast (Book 4)Fugitive (Book 5)Hero (Book 6)Virgin (Book 7)Stud (Book 8)Wildcat (Book 9)Rebel (Book 10)

Double Down


Susan Hayes - 2016
    Kit and Luke Armas are cyborgs created for one purpose, battle. Now that the war is over, they must fight to carve out a place for themselves in a universe they were intended to die for but never be a part of. Cargo pilot Zura Watson came to the edge of civilized space to start over. The Drift is a haven for the hunted, the lost, and those seeking second chances. It was also the last place in the cosmos Zura expected to find love. When the shadows of the past threaten to eclipse this trio’s future, they’ll have to fight for their chance at love and the life they’ve always dreamed of.

Driven


Eve Kenin - 2007
    She's spent her life on the run, one step ahead of the megalomaniac who hunts her. All she wants is to stay out of trouble and haul her load of grain to Gladow Station--but trouble finds her in the form of a sexy stranger called Wizard. He has the trucking pass she needs, and she has to drag him out of a brawl with the very people she's trying to hide from in order to get it. She may have rescued him, but Raina's not foolish enough to see Wizard as anything close to helpless. He's hard and honed and full of secrets--secrets that may destroy them both. As they race across the Waste, trying to outrun rival truckers, ice pirates, and the powerful man bent on their destruction, Raina's forced to admit that trouble's found her. And this time, there's nowhere left to run.

Fluency


Jennifer Foehner Wells - 2014
    They kept the Target under intense surveillance for decades, letting the public believe they were exploring the solar system, while they worked feverishly to refine the technology needed to reach it. The ship itself remained silent, drifting. Dr. Jane Holloway is content documenting nearly-extinct languages and had never contemplated becoming an astronaut. But when NASA recruits her to join a team of military scientists for an expedition to the Target, it’s an adventure she can’t refuse. The ship isn’t vacant, as they presumed. A disembodied voice rumbles inside Jane’s head, "You are home." Jane fights the growing doubts of her colleagues as she attempts to decipher what the alien wants from her. As the derelict ship devolves into chaos and the crew gets cut off from their escape route, Jane must decide if she can trust the alien’s help to survive.

Touched by an Alien


Gini Koch - 2010
    When she stepped out of the Pueblo Caliente courthouse, all she was thinking about was the work she had to get caught up on. Then her attention was caught by a fight between a couple that looked like it was about to turn ugly. But ugly didn't even begin to cover it when the "man" suddenly transformed into a huge, winged monster right out of a grade Z science fiction movie and went on a deadly killing spree. In hindsight, Kitty realized she probably should have panicked and run screaming the way everyone around her was doing. Instead she sprinted into action to take down the alien. In the middle of all the screeching and the ensuing chaos, a hunk in an Armani suit suddenly appeared beside her, introduced himself as Jeff Martini with "the agency," and then insisted on leading her to a nearby limo to talk to his "boss." And that was how Kitty's new life among the aliens began...Touched by an Alien is the thrilling first installment of the Alien novels.

Forbidden Planet


Rinelle Grey - 2013
    Due to the noxious gas covering the planet, she can’t conceive a child, and the Council, determined to repopulate the planet, have ended her third—and most precious—relationship. They insist she pick a new mate and try again, but she’s sworn off love and the possibility of ever having a real family.When a ship from the thriving planet of Urslat crashes on Zerris, Marlee rescues the ship’s daring captain, Tyris. His ship is grounded, winter is setting in, and he won’t survive without help. She offers him a deal…he can live with her if he pretends to be her mate so the Council will leave her alone.Tyris agrees and a hungry desire sparks between them as they battle the harsh winter and primitive conditions. Their attraction grows, and soon, keeping their distance becomes impossible, even more challenging than the snow, the Council, and, for Marlee, the risks of a real relationship.Will she risk her heart one last time for a chance at her dream? Or will Tyris be her undoing?

Prison Planet Barbarian


Ruby Dixon - 2017
    There's no safety for a human woman here, especially not one branded as a murderer. I'm doomed to a fate worse than death. Then...he decides I should be his. His name's Jutari. He's seven feet tall, blue, and horned. He's an assassin and one of the most dangerous prisoners here. He's like no one I've ever met before...and he might be my only chance.This story stands completely alone and is only marginally connected to the Ice Planet Barbarians or Corsairs series. You do not need to read those books in order to follow this one.

Strange Love


Ann Aguirre - 2020
    He's adorable. He's alien as hell.Zylar of Kith Balak is a four-time loser in the annual Choosing. If he fails to find a nest guardian this time, he'll lose his chance to have a mate for all time. Desperation drives him to try a matching service but due to a freak solar flare and a severely malfunctioning ship AI, things go way off course. This 'human being' is not the Tiralan match he was looking for.She's frazzled. She's fierce. She's from St. Louis.Beryl Bowman's mother always said she'd never get married. She should have added a rider about the husband being human. Who would have ever thought that working at the Sunshine Angel daycare center would offer such interstellar prestige? She doesn't know what the hell's going on, but a new life awaits on Barath Colony, where she can have any alien bachelor she wants.They agree to join the Choosing together, but love is about to get seriously strange.

The Challenge


Susan Kearney - 2004
    Kahn offers her proof she can't refute: Tessa has been brought forward through time to save Earth by winning an intergalactic challenge. Kahn only has a few weeks to train Tessa to use the psi-abilities he insists she has. He is confident in the success of a time-honored method that uses sexual frustration to bring out her powers, but Tessa is dubious. She's a martial arts expert and can fight her way through anything, but she's never had much luck with emotions.Luckily for Earth, Kahn can be very convincing...

Ral's Woman


Laurann Dohner - 2009
    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. That is, until he sees the small human woman he's willing to fight to win. He doesn't just want her body, he wants her heart forever.In the hands of a hot alien, Ariel is about to discover how pleasurable captivity can be.

Shades of Treason


Sandy Williams - 2015
    She’s pledged her life to protect the Coalition, an alliance of thirteen planetary systems, but when a top secret operation turns bloody, she’s charged with treason and the brutal executions of her teammates.The Coalition needs the information Ash’s team stole on their last mission, so they send in Commander Rhys “Rest in Peace” Rykus to get it. He’s the man who’s responsible for turning Ash into an elite soldier… and he’s a man who isn’t, never was, and never will be in love with the woman he trained. Or so he tells himself.Ash wants nothing more than to clear her name and be the woman her former instructor wants her to be, but the enemy who killed her teammates did more than frame her for treason and murder: they telepathically silenced her mind, preventing her from saying anything that might point to the truth about what happened.Now Ash is trapped and set to be executed, the truth dying with her. Unless she can prove her innocence. But taking that path could destroy the Coalition she’s sworn to preserve and protect…