Book picks similar to
Erstwhile by H.E. Trent


romance
menage
sci-fi
science-fiction

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.

Releasing Rage


Cynthia Sax - 2015
    Half Machine. All Hers. Rage, the Humanoid Alliance’s most primitive cyborg, has two goals — kill all of the humans on his battle station and escape to the Homeland. The warrior has seen the darkness in others and in himself. He believes that’s all he’s been programmed to experience. Until he meets Joan. Joan, the battle station’s first female engineer, has one goal — survive long enough to help the big sexy cyborg plotting to kill her. Rage might not trust her but he wants her. She sees the passion in his eyes, the caring in his battle-worn hands, the gruff emotion in his voice. When Joan survives the unthinkable, Rage’s priorities are tested. Is there enough room in this cyborg’s heart for both love and revenge?

Hers to Command


Patricia A. Knight - 2013
    His contractual bride, Princess Fleur Constante, the beautiful future queen though young and inexperienced, is willing to risk everything, including her own sanity, to save her planet.The inhabitants of the sentient planet, Verdantia, are poised on the precipice of extinction following a brutal invasion by an off-world, nomadic horde. Verdantia’s capital, Sylvan Mintoth, must have its failing energy shield restored, or the planet is doomed. The Elders know the shield can draw energy from only one thing ~ a very arduous and grueling coupling of two specific people who were pre-chosen by the planet Herself and promised by prearranged marriage contract.Verdantia draws strength from the duo, but the sentient planet whispers to Ari that a third is necessary ~ Ari’s aide de camp, Visconte Doral deLorion, an angelically handsome, skilled assassin who silently surrendered his heart to Ari long ago.The trio struggles to make this surprising partnership harmonious, pushing through pride, scars of past abuse, fears of inexperience and distrust. To save Verdantia, they must overcome their individual weaknesses and realize their full potential. Only the Tetriarch and their combined synergy, can harness Verdantia’s immense power to shield its citizens from invasion.Be part of the Tetriarch! Get your copy today!

Planet Mail


Kate Pearce - 2006
    There certainly wasn't a section on what to do when a very sexy king wants you to have his baby and save his world.Marcus Blood Axe isn't only a descendant of ancient Viking space travelers, he's also a ruler dealing with a shortage of fertile women and no heir. Surely the gods are on his side when Douglass drops out of the sky and into his bed, giving him a last chance to stop his people's death spiral into extinction.Despite the exquisite pleasures to be found in the king's arms, Douglass wants more from Marcus than to be his broodmare. When another woman claims to be pregnant with Marcus' child, it's past time to get back home. Now the war Marcus wages is one of sensual passion designed to convince his Earth woman that she's worth everything to him…even if it means giving up what he cherishes most.

Hara's Legacy


Bianca D'Arc - 2007
    Now the aliens have come to study the remnants of humanity. Caleb knows the only way to ensure the safety of his young wife, Janie, and his beloved brothers, Justin and Mick, is to keep the family together on their isolated ranch. All three O'Hara brothers love Jane. They grew up next door to the young, empathic beauty and she stole all their hearts at one time or another, though she married Caleb. Caleb foresees the shocking truth of what they have to do in order to survive, and Caleb's visions never lie.They'll have to come to terms with a new world, and an evolving relationship, all while finding a way to protect two newborn babies who are innocent pawns in the aliens' deadly game. Somehow, this one talented family holds the key for humanity's survival on this new, conquered world called Earth. Warning: This book is intended for mature audiences as it contains explicit sex and menage a quatreThe Resonance Mates series consists of: 1. Hara's Legacy 2. Davin's Quest 3. Jaci's Experiment 4. Grady's Awakening 5. Harry's Sacrifice

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...

C791


Eve Langlais - 2012
    Kidnapped during his daring escape, he shows her that despite the chip in his brain, his humanity is not completely lost.Formerly known as unit X109GI, Joe is on a quest to discover his origin. While he doesn’t find the answers he’s looking for, he does discover that affection isn't just for humans. But when it comes to a battle between logic and love, which side will the cybernetic organism—once a man—choose?Evaluating his feelings will have to wait though because the military isn’t done with Joe. But their threats against him pale in comparison before the shocking discovery of project C791, the revelation of which stuns the rebel cyborgs—and ignites a fury for vengeance.

Star King


Susan Grant - 2000
    Are they fated mates, or is fate stacked against them? Love and war on a galactic scale.Rom B’Kah is fighting for the survival of his people. During combat he encounters a beautiful and mysterious woman who saves his life. When she vanishes without a trace, he vows to find her again. Years after battlefield trauma sends her life into a tailspin, Jas Hamilton has given up on love. When a galactic empire makes first contact with Earth, she sets out to reclaim her lost sense of adventure—and finds it in the arms of the golden-eyed alien warrior she’s spent a lifetime trying to forget.When an old enemy resurfaces, will they be forced to choose between duty and a future together? Saving the galaxy has just gotten personal…

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.

Bond


Tasha Black - 2016
    So when she arrives in Stargazer with her head full of conspiracies and high-end hairspray, she isn’t entirely surprised to learn that instead of donating eggs for tuition money, she is being asked to make an alien fall in love with her, and become an ambassador for humankind. What she doesn’t expect is how irresistible Bond is, and how hard it will be not to lose her own heart to the man who plays her body like a violin.Bond is on Earth to fill one human female with as much pleasure as she can bear, a mission he’s finding very agreeable. But he’s not here to fall in love. Tasked with using his powers of human seduction to glean what he can about Earth and its inhabitants, Bond knows that if the planet’s resources are worthy and its residents aren’t, his days of pleasing Posey will soon be at an end.

Marcus


Anna Hackett - 2015
    It’s her chance to make a difference and make up for horrible past mistakes…despite the fact that its battle-hardened commander never wanted her on his team. When Hell Squad is tasked with destroying a strategic alien facility, Elle knows they need her skills in the field. But first she must go head to head with Marcus Steele and convince him she won’t be a liability. Marcus Steele is a warrior through and through. He fights to protect the innocent and give the human race a chance to survive. And that includes the beautiful, gutsy Elle who twists him up inside with a single look. The last thing he wants is to take her into a warzone, but soon they are thrown together battling both the alien invaders and their overwhelming attraction. And Marcus will learn just how much he’ll sacrifice to keep her safe.

Seduction Games


Allyson Lindt - 2018
    Her cookie business is going nowhere fast, and she just walked in on her boyfriend screwing another woman. Kane and Isaiah, her online gaming partners and the cutest couple ever as far as Andi’s concerned, know exactly how to cheer her up. They’re thinking road trip to Las Vegas, compete in a national first person shooter competition for a cash grand prize, and find her a one night stand to take her mind off her cheating ex. Andi’s all in… except she’s not sure she can seduce a random hookup. Isaiah and Kane offer to give her some hands-on experience. With each new lesson, it becomes harder for Andi to remember the guys are just friends.If Andi can’t put some distance between their seductive three-way hookups and her heart, it will cost their team the competition, and she’ll lose two of the best friends she’s ever had.Publisher's Note: This book was previously released, under the same title.

Alcandian Quest


Mary Wine - 2005
    She wants a man who will love her, make her heart pound with desire and her body melt from passion. Marriage is in there too, but finding the right guy is turning out to be mission impossible.Dumping Mr. Wrong, she heads to her cabin in the mountains, hardly expecting to be swept off her feet and out of this world—literally—into the arms of the sexiest man she's ever met. What she isn't prepared for is to get the man of her dreams—in duplicate!Dylan and Jett don't care which planet they discover their mate on, only that they find the woman who will complete them both. And when Dylan touches Jessica's mind and body, he knows it is his mate he holds in his arms.But Jessica is about to find her personal taboos stretched to the limit by these two sexy, powerful warriors. Offering her everything she ever wanted from a man, she finds out that sometimes what you wished for is a whole lot more than you can handle. But an Alcandian warrior never gives up until the battle is won…

Theirs for the Night


Katee Robert - 2018
    It’s her birthday and she’s determined to be a little wild and a whole lot carefree, at least until she has to get back to reality tomorrow. But the last thing she expects is to be seduced by two gorgeous men on the dance floor. Theo and Galen are each incredibly sexy on their own, and potentially devastating as a pair—and they want her. Meg isn’t down for anything resembling complicated when her life is such a mess, but the pair win her over with the promise of a night out of her deepest, darkest fantasy—and that they walk the next morning with no strings attached. After all, anything goes when it’s only for one night…

Casey's Warriors


Ann Mayburn - 2014
    When a wormhole opens from his galaxy to Earth and the women who could hold their future, Lorn will do all in his power to not only find his mate, but show her a Universe she never knew existed.Casey Westfall’s normal life changed forever when she finds the sexy leather clad man on her doorstep. One innocent kiss leads to an adventure that will span worlds and Casey will have to choose between the man who is the other half of her soul and never seeing her family or her world again. To complicate matters Kadothians live in polyamerous family units and Lorn will have to convince his Earth bride to accept not only his love, but the love of his best friend and brothers in arms or risk the chance of losing them to either the madness or the Hive—the race of sociopathic women bent on destroying and enslaving everything in their path, but Casey can’t see loving more than one man as being anything other than a sin. Lorn will have to teach his bride that she was created for both of them just as they were created only for her.In a Universe where all is possible, the battle to protect not only his people, but his heart rests on the soul of a human woman who must face the unknown and take a leap of faith that could save or destroy them all.