Books like 'Catalyst'
Readers who enjoyed Catalyst by Sarah Hawke also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
poly (3+ people) science fiction harems military aliens m-f-f
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Duty's Reward: by M. Tress
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
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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![The Rise of the Iliri: Books 1-3 by Auryn Hadley]()
The Rise of the Iliri: Books 1-3 by Auryn Hadley
Rated: 4.43 of 5 stars · 18 ratingsTHE 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: 4.71 of 5 stars · 10 ratingsArd 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... -
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![Bedlam: Book One of the Prison Ship Sheol Saga by Nicholas Gaumer]()
Bedlam: Book One of the Prison Ship Sheol Saga by Nicholas Gaumer
Rated: 4.49 of 5 stars · 13 ratingsThe Bedlam Galaxy lies at the heart of the Laniakea Supercluster and is a focal point for all of the wormhole transits spanning that great expanse. Among the many races drawn to and inhabiting its 10,000+ stars, humanity is one of the most recent and longest anticipated additions... -
![Corsairs: Bethiah by Ruby Dixon]()
Corsairs: Bethiah by Ruby Dixon
I have a reputation for being the most chaotic bounty hunter in the universe.What they don’t know? My private life is just as messy. I’ve got a sweet, innocent cloned human woman who wants to be my lover…and a grumpy cyborg paramour who might be jealous that he’s not the center of attention.The solution?A triad... -
![Artifice: Book Two of the Prison Ship Sheol Saga by Nicholas Gaumer]()
Artifice: Book Two of the Prison Ship Sheol Saga by Nicholas Gaumer
Rated: 4.50 of 5 stars · 8 ratingsThe Bedlam Galaxy lies at the heart of the Laniakea Supercluster and is a focal point for all of the wormhole transits spanning that great expanse. Among the many races drawn to and inhabiting its 10,000+ stars, humanity is one of the most recent and longest anticipated additions... -
![Academy Days by J.J. Pavlov]()
Academy Days by J.J. Pavlov
Rated: 4.33 of 5 stars · 11 ratingsBack to school. Kuroe Makoto, now known as Chaos to demons and Chloe Marcott to humans, never thought that in a fantasy world filled with sword and sorcery, she would attend school once more. But her fake human heart beats faster at the fact that this is a magic school - the kind she has read about in many stories... -
![Superpowers Unlocked #2 by Justin Trublood]()
Superpowers Unlocked #2 by Justin Trublood
After a days-long meteor storm, superpowers emerge, creating more villains than heroes. One man will unlock the powers of a few beautiful women to save a small town from an overpowered supervillain.Turk Stone has developed an unusual skill after the storm. He calls his new skill, or superpower, anticipation as it allows him to see the effects of actions he’s about to take...Categorized as:
harems science fiction superheroes post-apocalyptic poly length-medium explicit-plentiful -
![My Alien Threshers by Nikki Clarke]()
My Alien Threshers by Nikki Clarke
What are two alien Thresher mercenaries to do when their next assignment involves a beautiful human woman with hair like clouds and daring brown eyes? They have some ideas, and it's a well known fact that Thresher twins share EVERYTHING.Get lost in this new series featuring serious #blackgirlmagic and sexy, edgy alien heroes from the author of your favorite Lyqas... -
![The Wife Pact: Emerson by Frankie Love, Charlie Hart]()
The Wife Pact: Emerson by Frankie Love, Charlie Hart
Rated: 4.34 of 5 stars · 10 ratingsWhen an ultrasound reveals the truth about Tia’s pregnancy, the compound is riddled with fear. They know that it means one thing -- death. Unless Banks can find a cure. Stress weaves its way into Tia’s heart and a break from the harsh reality is just what the doctor ordered. But a trip to Emerson’s family home reveals yet another hidden secret and Tia is confronted with a shocking reality... -
![Key to the Dead Fall by Susan Trombley]()
Key to the Dead Fall by Susan Trombley
Rated: 4.29 of 5 stars · 11 ratingsThe sequel to Into the Dead Fall, which was released as part of a two-book set with The Scorpion’s Mate. A fated mate she doesn’t want. An enigmatic alien she shouldn’t want. Finding your way in the Dead Fall isn’t easy, but it’s nothing compared to figuring out what your heart truly desires...Categorized as:
aliens science fiction futuristic menage poly competent heroine fated-mates length-medium -
![Arena by Logan Jacobs]()
Arena by Logan Jacobs
Rated: 4.17 of 5 stars · 18 ratingsThank you, thank you, thank you all for coming. What a great looking group of people we have here today. As your President, I feel it’s important to tell you all about this guy. He’s a great guy. A real stand up guy. A real go-getter. His name is Marc Havak, and let me tell you, this guy is going to be huge... -
![Enslaved for Their Use by Ivy Barrett]()
Enslaved for Their Use by Ivy Barrett
Lorna Mortenson has been looking after her family since her parents died while she was still a teenager, so when her sister is kidnapped by aliens of the rogue Yashonty species she considers it her responsibility to bring her home, even if it means setting herself up to be abducted as well... -
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![Captured for Their Use by Ivy Barrett]()
Captured for Their Use by Ivy Barrett
Taken prisoner by the fearsome Yashonty, Celeste Mortenson is given a choice. She will be given either to General Ram or to four of his warriors. Ashamed at the thought of being shared, Celeste chooses Ram, but as the battle-hardened brute strips her, spanks her, and claims her hard and thoroughly, she quickly discovers that he can easily make her blush crimson all on his own... -
![Renegade by Sarah Hawke]()
Renegade by Sarah Hawke
A new ship. A new mission.The same loyal crew of space hotties.Prepare to take charge with Commander Zeris as he leads the next phase of the battle against the fearsome alien Dowd.Renegade is the fourth book in Sarah Hawke's best-selling spicy space opera series The Lost Fleet... -
![The Spider Queen by Wendie Nordgren]()
The Spider Queen by Wendie Nordgren
Rated: 4.50 of 5 stars · 6 ratingsWhen an alien species attacks the Talpa Sector, Teagan leads a fleet of warships across the vastness of space to rush to the aid of its peaceful inhabitants. However, being thrust into the center of an alien war is the least of her worries... -
![Arena 3 by Logan Jacobs]()
Arena 3 by Logan Jacobs
Rated: 4.26 of 5 stars · 11 ratingsIf there is one thing I know, it's winners. And I am fantastic at picking winners. Everyone I pick wins. I know it. America knows. The world knows. It's a fact. And Marc Havak is a winner. Period. Tremendous winner. The best. Exceptional. When aliens came to Earth and said they needed a winner, well, I was busy running America. Fantastically. So, the next best winner was Marc Havak... -
![A Girl Named Blue: The Adventure Begins by Cecilia Randell]()
A Girl Named Blue: The Adventure Begins by Cecilia Randell
Rated: 4.22 of 5 stars · 13 ratings***Note: This is the first book in a Reverse Harem series. If you expect her to end up with just one guy, then this is not for you.*** **Also, there is violence, and just a little bit of foul language.** *Oh, and it's a slow burn, so no sexy times till the second or third book* Blue Faust and her mother have just moved to a new city, and Blue has a Plan and a List... -
![Tamed for Their Use by Ivy Barrett]()
Tamed for Their Use by Ivy Barrett
Though she is grateful to the Ventori who rescued her from a notorious drug cartel, Nichole Romano is none too pleased at being held in their custody and tested for her compatibility as a mate. Her patience runs out when two huge, handsome warriors carry her off against her will, but despite her fury she is quickly stripped bare and her defiance merely earns her a sound spanking... -
![Arena 2 by Logan Jacobs]()
Arena 2 by Logan Jacobs
Rated: 4.17 of 5 stars · 14 ratingsMy fellow Americans, we are here for one the fact that I picked Marc Havak to represent us in the crucible of carnage. Now, before we talk about how fantastic I am at making world leader decisions. Let’s talk about how great this sequel is.I've read many sequels, and all were bad. Very very bad. But this one? It's the best. And not just because I'm in it. No. Well, yes... -
![Lights Out by Lara X. Lust]()
Lights Out by Lara X. Lust
Rated: 4.22 of 5 stars · 9 ratingsJames was no one special.That all changed when he became an overnight millionaire. After building a mansion and leaving his past life behind, James is finally free. Living in a massive home on top of a large mountain range has perks, but it doesn't help with crippling loneliness... -
![Failure to Communicate by Kaia Sønderby]()
Failure to Communicate by Kaia Sønderby
As one of the only remaining autistics in the universe, Xandri Corelel has faced a lot of hardship, and she's earned her place as the head of Xeno-Liaisons aboard the first contact ship Carpathia. But her skill at negotiating with alien species is about to be put to the ultimate test... -
![Between Worlds Two by J.L. Williams]()
Between Worlds Two by J.L. Williams
Rated: 4.22 of 5 stars · 9 ratingsInspired by the likes of James Galloway's Subjugation and John Scalzi's Old Man's War, Between Worlds is a thrilling military sci-fi set in a strange new universe.. -
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![Pirate Nemesis by Carysa Locke]()
Pirate Nemesis by Carysa Locke
A smuggler running from her past, Mercy desperately wants answers to her mother’s disappearance. All roads lead her to the one place she can’t return: home. Killers. Thieves. Pirates. Family. Mercy has spent her life evading the Pirate Queen who attempted to murder her as a child... -
![Alien General's Baby by Vi Voxley]()
Alien General's Baby by Vi Voxley
Rated: 4.25 of 5 stars · 8 ratingsThis general has more to fight for than he ever imagined... As one of the few warriors to ever defeat the Fearless, Brion General Braen is a living legend. Yet when his greatest victory turns to his gravest defeat, the undefeated warrior has to prove himself to the universe... and himself...Categorized as:
aliens military science fiction multicultural futuristic pregnancy m-f-m length-medium -
![Warhawk’s Amnesty: A Space Opera Harem Adventure by Ajax Lygan]()
Warhawk’s Amnesty: A Space Opera Harem Adventure by Ajax Lygan
Rated: 4.25 of 5 stars · 8 ratingsOne week. Just one more week. Inmate 5313 reached the end of his sentence after ten grueling years. That is, until the wrong question led to a beating with an inclusive stay in the fridge. Before the badges manage to lock him into cryostorage for a nightmare-fueled nap, several explosions send the prison barge plummeting to a frozen planet in unclaimed space... -
![Her Alien Healers by Susan Hayes]()
Her Alien Healers by Susan Hayes
Rated: 4.25 of 5 stars · 8 ratingsShe’s ready to move on to the next chapter of her life — She just never expected it could be a love story.Jodi Clark has been many things over the a doctor, a wife, and a divorced single mother. Now, there’s just one more thing she needs to do – for once in her life, she’s going to put herself first.An unexpected invitation to Haven colony comes at the perfect moment...Categorized as:
aliens menage reverse harem futuristic science fiction mature couple poly length-novella -
![Targeted by Susan Hayes]()
Targeted by Susan Hayes
Rated: 4.14 of 5 stars · 13 ratingsAlliance Commanders Brandt Carver and Hawke Summers have a new mission. Take command of Space Station: Alpha X2, get it running smoothly again, and find out how the last station commander wound up murdered in the middle of a Krytos sanctuary... -
![Beyond Blue Frontiers by Cecilia Randell]()
Beyond Blue Frontiers by Cecilia Randell
Rated: 4.29 of 5 stars · 7 ratingsBlue and Forrest made the decision to return to Karran. They’ve said their goodbyes and packed their bags. She even managed to get a Portal open. That was the easy part. The reunion with her clansman is marred by unfinished business. Phillip is still out there, still using that crystal, still killing, and slowly going insane... -
![Throne Taker by Heather Long, Rebecca Royce]()
Throne Taker by Heather Long, Rebecca Royce
Everything in Khloe with a K's life changed when she crashed into the side of a food truck. Now with Earth in the rearview mirror, her future lies with Briggs, Goran, Reese, and Dalton...Categorized as:
aliens science fiction futuristic reverse harem poly m-f length-short explicit-plentiful -
![The Parvac Emperor's Daughter by Wendie Nordgren]()
The Parvac Emperor's Daughter by Wendie Nordgren
Rated: 4.33 of 5 stars · 6 ratingsWhile Teagan’s life may have changed from the obscurity of a reclamation worker on Earth to that of royalty in the Parvac Empire, she soon discovers her notoriety places her in danger. After a cunning plot orchestrated by Consul Dano, Teagan is manipulated into a political marriage in order to maintain peace... -
![Omnes Videntes by Wendie Nordgren]()
Omnes Videntes by Wendie Nordgren
Rated: 4.33 of 5 stars · 6 ratingsThey were created in a lab. Feared and reviled in both the Laconian Sector and in the Galaxic Expanse for their combined empathic and telepathic abilities, the Hybrids have found a home in the Parvac Empire. Having sworn allegiance to Princess Teagan of House Probus of Parvac, the former mercenaries become her personal guard... -
![Stealing Shiloh: A Dark Alien Sci-Fi by K.A. Knight, Loxley Savage]()
Stealing Shiloh: A Dark Alien Sci-Fi by K.A. Knight, Loxley Savage
Rated: 4.33 of 5 stars · 6 ratingsI am one of the Forsaken. Growing up in the Harvest House I always knew what my destiny would be - a life dedicated to an alien Klan purley for mating purposes. Never did I imagine that I would actually like the Klan who won me never mind start to care for them...and crave them. My new life on Oxious was better than I had ever hoped for, until I was taken. My captors are cruel and malicious... -
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![Their Human to Share by Morgan Robinson]()
Their Human to Share by Morgan Robinson
SimoneI'm done with aliens. The first one who told me he was going to be with me forever dumped me minutes before sending me through a glowing portal that dropped me off in the middle of the woods. The second alien is relentlessly pursuing me. Every time I push him away, he digs his heels in harder. It wouldn't be so hard to deal with if it weren't for my first mate showing back up in my life...Categorized as:
aliens m-f-m reverse harem fated-mates science fiction poly length-short explicit-open-door -
![The Uncertain Scientist by K. Webster, Nicole Blanchard]()
The Uncertain Scientist by K. Webster, Nicole Blanchard
I had everything I ever wanted. I was brilliant, successful, esteemed. Alone. But I didn’t mind. I liked being alone. Until they stole me. And I wake up, captive, pregnant with an alien baby—and still a virgin. For a race of freaks nearing extinction, there seems to be far, far too many of them... -
![Arobi's Queen by SJ Sanders]()
Arobi's Queen by SJ Sanders
Rated: 4.15 of 5 stars · 11 ratingsAn Arobi pack needs a queen. It is instinctual, something that they yearn for until they finally find a female to complete their family. Exeri’s pack is no different, despite the fact that they’ve chosen to live far away from the rest of their kind... -
![The Katres' Summer by Laura Jo Phillips]()
The Katres' Summer by Laura Jo Phillips
Rated: 4.15 of 5 stars · 10 ratingsThe galactic adventure begun in The Dracons’ Woman and The Lobos’ HeartSong, takes everything to a new level in the most exciting installment yet in Laura Jo Phillips’ thrill-packed “Soul-Linked Saga,” The Katres’ Summer...Categorized as:
aliens contemporary futuristic shapeshifters magic science fiction reverse harem poly -
![Oath Forger 4 by Nia Mars]()
Oath Forger 4 by Nia Mars
Rated: 4.09 of 5 stars · 11 ratingsBLURB: Nope. This late in the game, I'm giving away nothing!!! If anyone has a complaint, they can send it to the Oath Forger's Palace in Merim. But I will share an excerpt. (Because I can't resist Roax. Seriously, who can?) Enjoy! Excerpt: That ever-present storm in his eyes rages, dark and ominous... -
![King of Superheroes by Eric Vall]()
King of Superheroes by Eric Vall
Rated: 4.11 of 5 stars · 9 ratingsIn a world where a fraction of the population activates a super power, I was just hoping for a sem-cool ability, something to get me out of my mundane job and life.Then, during my long-awaited activation, I unleashed not just one power, but multiple. Which was basically unheard of and meant I was something called an Omega... -
![Oath Forger 3 by Nia Mars]()
Oath Forger 3 by Nia Mars
Rated: 4.08 of 5 stars · 11 ratingsStill faking being the Oath Forger. Yeah, I know. Stupid. You know what's stupider? Falling for The Five.The five hottest, most powerful rulers in the galaxy all want to be my first... -
![Our Prisoner by S.M. Matthews]()
Our Prisoner by S.M. Matthews
'Ours Book 5' *This series is intended to be read in order*I'm being set up. And not just for any old crime either, no, I'm being framed for murder.The only people willing to help me are a set of alien brothers...and I'm pretty sure they are the cause of all my problems.Can I trust them? Probably not.All I want is to go home.*Contains themes of a very adult nature, meant for mature readers only...Categorized as:
aliens reverse harem science fiction poly creative-anatomy length-short explicit-open-door -
![Tone of Voice by Kaia Sønderby]()
Tone of Voice by Kaia Sønderby
Xandri Corelel has spent six months living among the Ongkoarrat after her unceremonious firing from the crew of the Carpathia, and though she misses her home, she has settled into her new life. Then Diver arrives with news that changes everything. The Hands and Voices--squid- and whale-like symbiotic aliens--are masters of bio-engineering and grow a wide variety of species of coral... -
![Purgatory City by Skye MacKinnon, Rebecca Royce]()
Purgatory City by Skye MacKinnon, Rebecca Royce
Rated: 4.17 of 5 stars · 6 ratingsPlay the Game or die. Alone in a desolate world ravaged by war and alien invasion, Eileen Paine offers herself to indentured servitude in Purgatory City—a chance at a different life. No one knows what happens beyond the gates, but it has to be better than the peril in the Blastlands. Nothing could have prepared her for the darkness, the tests, the changes, or the people she meets... -
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![Aria's Desire by Stacy Jones]()
Aria's Desire by Stacy Jones
Rated: 4.20 of 5 stars · 5 ratingsAn invitation to a hidden alien Queendom. Forced proximity with two males she can’t resist. Assassination attempts. Secrets exposed. And an alliance that could change the world.Aria Taylor’s hands are full leading a slave uprising, taking over an alien planet, and loving her two incredible mates... -
![Brooklyn's Baggage by Belle Harper]()
Brooklyn's Baggage by Belle Harper
Rated: 4.00 of 5 stars · 10 ratingsA Sci-fi Alien Reverse Harem Romance. My name is Brooklyn. I applied to a job ad that sounded amazing. Anything was better than the boring job and depressing life I had. Being sent to an Alien Planet to marry an Alien guy with four-arms sounds like the start of new adventure. The Aashi males all love hugs and it made me feel happy to hug them also. Who knew that it wasn't just a hug. -
![Oath Forger 5 by Nia Mars]()
Oath Forger 5 by Nia Mars
Rated: 4.00 of 5 stars · 9 ratingsThank you for sticking with Ava and her Five and being part of the adventure!You are cordially invited to Merim to celebrate Earth officially becoming a Federation planet... -
![Colonist Soldier: A Science Fiction Harem Adventure by Dan Raxor, Tyler Bowman]()
Colonist Soldier: A Science Fiction Harem Adventure by Dan Raxor, Tyler Bowman
Rated: 4.00 of 5 stars · 9 ratingsDevious Criminals, Bloodthirsty Aliens, a Colony in Despair, and One Hardened Veteran!Vesta Colony has a problem, aliens are snatching men until they disappear for good. Humanity's defensive forces are stretched too thin to help a distant outpost, and so, the desperate founders, as well as their investors, are given the bad option of recruiting the worst while bribing the rest... -
![Between Worlds Three by J.L. Williams]()
Between Worlds Three by J.L. Williams
Rated: 4.00 of 5 stars · 9 ratingsWith his most recent victory on Gurathu, Jason is now the golden child of the Imperial Military.Recently reassigned to the Imperial capital on the Shil homeworld, it seems Jason's days of dodging laser fire and ornery wildlife are over. These days, the worst he has to deal with are pushy noblewomen and persistent paparazzi... -
![The Edokas' Destiny by SJ Sanders]()
The Edokas' Destiny by SJ Sanders
Destiny Delaine has had enough. As daughter of a former high ranking general who now served as the Ambassador of Earth, and a socialite mother, she has been reared to be the proper young woman and helpmate. Her parents had her life all planned out, right down to her arranged marriage with one of the planetary representatives under her father. No one asked her what she wanted...Categorized as:
aliens science fiction reverse harem pregnancy poly explicit-plentiful length-medium
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