Books like 'Catalyst'
Readers who enjoyed Catalyst by Erin Mersey also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
science fiction sweet heroine gifted heroine single-mother
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Tane by Anna Hackett
Rated: 4.71 of 5 stars · 17 ratingsAs the battle against the invading aliens reaches its endgame, a group of bad boy bikers and mercenaries will stand and fight for humanity’s survival…Tane Rahia is good at one thing—fighting. Before the alien invasion, he fought as a mercenary in the worst jungle hellholes...Categorized as:
sweet heroine aliens dystopian science fiction military independent heroine futuristic new adult -
![A Home for the Alien Warrior by Honey Phillips, Bex McLynn]()
A Home for the Alien Warrior by Honey Phillips, Bex McLynn
Can a lonely alien warrior find the family he’s always wanted?When tragedy shatters Claire’s world, she abandons her corporate job and retreats to a remote mountain town. Just when she finally begins to rebuild her life, she is abducted by alien slavers.Unable to escape the scientist who purchases her, she devotes herself to the young alien twins who are also trapped by his twisted experiments...Categorized as:
sweet heroine single-mother science fiction aliens abduction forced proximity insta-love pregnancy -
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![Daughter of the Alien Warrior by Honey Phillips, Bex McLynn]()
Daughter of the Alien Warrior by Honey Phillips, Bex McLynn
Can a grieving alien warrior and a desperate mother overcome their painful pasts through the shared love of a child?One year ago, Jade’s husband was killed and the baby she had wanted for so long disappeared. She has been searching for her daughter ever since. Nothing - not even being abducted by aliens - is going to stop her... -
![The Alien's Charge by Ella Maven]()
The Alien's Charge by Ella Maven
I don’t play by the rules… until her.Maisie: I’m tired of being scared, but fear is like a constant companion these days. Some big blue alien stole the last of my friends, and now I’m alone as a prisoner on a spaceship on my way back to the planet that stole everything from me... -
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![A Family for the Alien Warrior by Honey Phillips]()
A Family for the Alien Warrior by Honey Phillips
A grumpy alien warrior. A pregnant librarian. A ready-made family?Wanda has never hankered after excitement - or romance. A quiet life as a small town librarian suits her just fine. But while she doesn’t need a man, she does want a child. Just as her hard-earned dreams come true, she is abducted by aliens... -
![Relic of Sorrows by Lindsay Buroker]()
Relic of Sorrows by Lindsay Buroker
Captain Alisa Marchenko finally has a lead on finding her daughter, but her passengers want her to take them on their quest instead. Even though the Star Nomad is her ship, they have power she cannot fight, and she finds herself with no choice but to accept another detour. But the ancient relic they seek has the ability to destroy worlds and is coveted by many...Categorized as:
single-mother military science fiction futuristic aliens m-f mature couple competent heroine -
![The Strip Down by Honey Phillips]()
The Strip Down by Honey Phillips
Can Amanda discover the secrets behind an alien ruin? And the mysterious alien with the haunted eyes?Amanda is happy with her life as an elementary school teacher - and making plans to expand her family. Waking up naked and alone on an alien planet is not on her schedule.Desperate to return to Earth, she reluctantly accepts the help of the massive alien who appears out of the sands...Categorized as:
sweet heroine single-mother science fiction aliens non-human-hero m-f contemporary multicultural -
![Tamed By an Alien Warlord by Ava Ross]()
Tamed By an Alien Warlord by Ava Ross
Rated: 4.59 of 5 stars · 11 ratings*Blurb Coming Soon!*TAMED BY AN ALIEN WARLORD, the second full-length novel in the Fated Mates of the Ferlaern Warriors series by bestselling alien romance author Ava Ross. Each book in this series is a standalone romance with on-the-page heat, aliens who look and act alien, a guaranteed happily ever after, no cheating, and no cliffhanger... -
![Emperor by Anna Hackett]()
Emperor by Anna Hackett
When an experimental starship test goes horribly wrong, a scientist from Earth finds herself fighting for her survival, and her only lifeline is a wild, powerful alien king.Waking on an alien world, wracked by pain, Dr. Poppy Ellison is confused and adrift…until his voice calls to her in the darkness...Categorized as:
sweet heroine science fiction futuristic aliens cold hero explicit-open-door length-medium m-f -
![The Alien's Bounty by Ella Maven]()
The Alien's Bounty by Ella Maven
She’s something I didn’t want, but everything I crave.Lu: This planet is the pits. I’m being handed off to different aliens one after another like I’m a dog-eared novel. My latest captors are about to take me off planet when a big blue alien botches the rescue mission... -
![Her Alien Farmhand: Blind Date with an Alien by Honey Phillips]()
Her Alien Farmhand: Blind Date with an Alien by Honey Phillips
Can a desperate woman and a lonely alien shifter work together to defeat an unknown enemy?A new year should be a time for new hope, but this year, Meg finds it hard to be optimistic. Betrayal and bad luck threaten everything she has worked for. And although she would never admit it, she’s lonely on her isolated farm... -
![Local Custom by Sharon Lee, Steve Miller]()
Local Custom by Sharon Lee, Steve Miller
Each person shall provide his clan of origin with a child of his blood, who will be raised by the clan and belong to the clan. And this shall be Law for every person of every clan . . .Master trader Er Thom knows the local custom of Liaden is to be matched with a proper bride, and provide his prominent clan Korval with an heir...Categorized as:
sweet heroine science fiction secret child aliens futuristic competent heroine shy-hero sweet-hero -
![Arkadian Skies by Lindsay Buroker]()
Arkadian Skies by Lindsay Buroker
With the man who kidnapped her daughter imprisoned aboard her ship, Captain Alisa Marchenko is closer than ever to reuniting her family. But her new guest has been in a coma for weeks, with the secret to her daughter's location locked away in his mind. She must find a way to sneak him into a state-of-the-art hospital on Arkadius, a planet in the heart of Alliance territory...Categorized as:
single-mother military humor science fiction futuristic competent heroine cheerful heroine fighters -
![Cleon Moon by Lindsay Buroker]()
Cleon Moon by Lindsay Buroker
Now that she’s retrieved the Staff of Lore, Captain Alisa Marchenko can finally dedicate herself and her ship to finding her kidnapped daughter. Her scant clues lead her to Cleon Moon. Unfortunately, since the fall of the empire, mafia clans have taken over the domed cities on the harsh moon, and exploring there isn’t easy... -
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![The Sands of Argurumal by SJ Sanders]()
The Sands of Argurumal by SJ Sanders
With the expectation of a three-year pregnancy, Terri assumed that she had all the time in the world before she had to face the realities of upcoming motherhood. Time for adventures, travel, and working side by side with her mate... -
![Alien Warrior Unbeaten by Ava Ross]()
Alien Warrior Unbeaten by Ava Ross
Can a stoic alien warrior melt the heart of his Earthling fated mate?After my mother gave me to the Shiedar invaders as a child, they took me to a place where screams of pain echoed around me. The leader tortured me and other young males I soon called my brothers. In his determination to twist me into a feral warrior, the leader turned me into a beast... -
![Mary and the Minotaur by Honey Phillips]()
Mary and the Minotaur by Honey Phillips
A grumpy, secretive alien. A sweet, not-as-naive-as-she-seems human. A nefarious plot.Although Mary has never had an easy life, she has always tried her best to maintain an optimistic outlook. But when she is abducted by aliens, it is difficult to find anything positive in the experience.When she is temporarily abandoned by her kidnappers, she hopes to escape their clutches forever... -
![Love and Gravity: A Graphic Novel by Ari North]()
Love and Gravity: A Graphic Novel by Ari North
Book 2 of the mega-popular webcomic series, Always Human. Love and Gravity is the finale of Ari North's heartwarming coming-of-age story about love, the future, and charting your own path."Healthy relationships and healthy conversations unfold in a sweet slice-of-life story...Categorized as:
sweet heroine science fiction f-f futuristic strong heroine new adult latinx-mc queer -
![Tamed by Presley Hall]()
Tamed by Presley Hall
Rated: 4.36 of 5 stars · 12 ratingsThis caged Kalixian is wild. Brutal. Dangerous.So why can’t I stay away from him?With the marks tattooed on his face and horns sharpened to deadly points, he looks like a monster made for killing. He’s unlike any of the other alien warriors on this planet, and despite their efforts to help him, he only seems to be growing more feral.But every time I go to visit him, something strange happens... -
![A house of DaR celebration by Jennifer Julie Miller]()
A house of DaR celebration by Jennifer Julie Miller
Rated: 4.42 of 5 stars · 10 ratingsAfter the return of ANDI, the information now available about the human race is astounding. What happens when three AI’s, decide to bring a little piece of home to the humans they have all come to love? A Celebration of epic proportions.Be prepared to shed some tears, as new, and old memories tug at the heartstrings... -
![Khann by Sue Mercury, Sue Lyndon]()
Khann by Sue Mercury, Sue Lyndon
He’s the enemy—and she’s agreed to become his mate.Stranded on war-torn Earth with her young daughter, Belle is devastated to learn she has a terminal illness. Who will take care of her daughter after she’s gone? When she discovers Vaxxlians possess the technology to save her, she doesn’t hesitate to sign up for Vaxxlian Mail Order Brides—even if she does view the powerful aliens as the enemy...Categorized as:
single-mother science fiction aliens non-human-hero m-f dual-pov futuristic length-novella -
![Sakar by Ella Blake]()
Sakar by Ella Blake
My two girls and I are going to be snowed in for Christmas and that’s fine with us, until an alien spacecraft crashes behind our wooded Maine home. I take the gorgeous Virilian, Prince Sakar, home with me. He’s injured and tracking an endangered alien dog with a taste for my neighbor’s goats...Categorized as:
single-mother science fiction aliens christmas fated-mates contemporary slow burn m-f -
![Her Alien Enemy by Presley Hall]()
Her Alien Enemy by Presley Hall
What do you do when your fated mate is your worst enemy?After seeing so many of my friends find the kind of love I used to think only existed in fairy tales, I can’t help but hope the mate bond will spark for me too. It seems more possible than ever, now that we’ve made it off Nuthora and arrived on Vox.Whether I find a mate here or not, though, I consider the Voxerans my people... -
![Claimed by the Alien Bodyguard by Tiffany Roberts]()
Claimed by the Alien Bodyguard by Tiffany Roberts
A retired alien bodyguard. A luscious human female he craves. He’ll do whatever it takes to make her his by Christmas.Gabriela Romero is a single mother struggling to make ends meet. With Christmas fast approaching, she’s lost work, she’s late on rent, and the zeroes in her bank account are on the wrong side of the decimal point... -
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![Sirius by Alana Khan]()
Sirius by Alana Khan
Rated: 4.30 of 5 stars · 10 ratingsCan this genetic "Product" of the Federation and the isolated Earth female who rescues him transcend their barriers and learn to love? Sirius: Produced in a test tube, born a slave, bred for fighting, and doomed to death. Sirius fights for his life against man and beast on a hostile planet. Aliyah: Kidnapped from Earth, stranded in space, then orphaned at a young age... -
![Alien Embrace : A Limited Edition Collection of Sci Fi Alien Romances by Celia Kyle, Anne Hale]()
Alien Embrace : A Limited Edition Collection of Sci Fi Alien Romances by Celia Kyle, Anne Hale
Rated: 4.33 of 5 stars · 9 ratingsAliens move among us—warriors, soldiers, explorers, and more—testing fate and finding love with their true mates. And they’ll do whatever it takes to ensure their human mates remain forever caught in their Alien Embrace.This hot new collection brings you all the best in science fiction alien romances from New York Times, USA Today, and international bestselling authors... -
![Pets in Space 7 ) by Carol Van Natta, S.E. Smith]()
Pets in Space 7 ) by Carol Van Natta, S.E. Smith
Rated: 4.38 of 5 stars · 8 ratingsPets in Space® is back for a new year of adventures!Pets in Space is back and better than ever! Featuring 13 original, never-before-released stories from some of today's bestselling science fiction romance authors, starring your favorite sci-fi pets. These furry, feathered, and slightly alien friends are always ready for a new adventure with their two-legged human and alien companions... -
![A Kiss On Kaidava by SJ Sanders]()
A Kiss On Kaidava by SJ Sanders
Cara has been looking forward to her happily ever after. With no living family, it is all she has wanted for years and she thought she found it with the love of her life, Ben... -
![RaZ by Jennifer Julie Miller]()
RaZ by Jennifer Julie Miller
Rated: 4.26 of 5 stars · 11 ratingsKatherineHow do you go on when all of your wants and dreams have been destroyed? My loved ones were snatched right out of my hands, leaving me alone in a world of unknowns and terror. I'm lost in the in-between with no familiar paths to follow until the sound of a heartbeat and a whisper draws me back to the land of the living...Categorized as:
sweet heroine aliens alpha male slow burn strong heroine fated-mates dystopian vampires -
![Unchained by Ruby Lionsdrake]()
Unchained by Ruby Lionsdrake
One geeky neuroscientist sent to research the inmates of a prison asteroid. Two cyborg criminals determined to free the inmates. A forbidden romance among the stars. Dr. Skylar Russo, a woman known for her research skills rather than her people skills, wants nothing more than to forget that her fiancé left her at the altar... -
![A Gift for Nicholas by Honey Phillips]()
A Gift for Nicholas by Honey Phillips
Can a single mother show an arrogant alien warrior the true meaning of the holidays?Jenna is a hard-working single mom with no time for fairy tales. She dismisses her daughter’s stories of a mysterious horned Santa living in the woods as no more than the imagination of a precocious child – until the day her daughter doesn’t return home...Categorized as:
sweet heroine single-mother science fiction aliens non-human-hero christmas virgin hero m-f -
![Stealing Her Heart by Evangeline Anderson, Reese Dante]()
Stealing Her Heart by Evangeline Anderson, Reese Dante
A Kindred thief who longs for a female to love... An abandoned woman, trying to start again... When the two of them are thrown together, sparks fly. But what happens when Vicky has to pretend she's a professor Who teaches sexual techniques to younger men? You'll have to read Stealing Her Heart to find out. Vicky Erickson is having a lousy Valentine’s Day...Categorized as:
sweet heroine single-mother humor science fiction futuristic aliens non-human-hero length-medium -
![The Knotty Clause by Honey Phillips]()
The Knotty Clause by Honey Phillips
Can a single mother create some holiday magic for a reclusive alien warrior?Lured by the promise of steady work, Gemma accepts a job at a remote mining claim, only to find that both she and her young son are virtual slaves to the greedy mine boss...Categorized as:
single-mother christmas science fiction aliens futuristic m-f non-human-hero dual-pov -
![A Son for the Alien Warrior by Honey Phillips, Bex McLynn]()
A Son for the Alien Warrior by Honey Phillips, Bex McLynn
Can she create a new family with an alien warrior? On the anniversary of the disappearance of Mariah’s sister and nephew, Mariah returns to their last known location, expecting to find only painful memories. Instead, she encounters an alien spaceship and recklessly sneaks aboard, taking one last chance to be reunited with her family...Categorized as:
single-mother aliens science fiction futuristic non-human-hero m-f abduction creative-anatomy -
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![Garrant by Annabelle Rex]()
Garrant by Annabelle Rex
One teasing touch sets her body aflame...Nell Santos would love a happily ever after, but the timing is all wrong. Her son, Mikey, is the most important thing in her life, and she can’t let anything get in the way of that. A holiday to the first Intergalactic Olympics is the perfect opportunity for them to strengthen bonds with their new Intergalactic family...Categorized as:
single-mother aliens science fiction sports non-human-hero length-short m-f multicultural -
![Stray by Andrea K. Höst]()
Stray by Andrea K. Höst
On her last day of high school, Cassandra Devlin walked out of exams and into a forest. Surrounded by the wrong sort of trees, and animals never featured in any nature documentary, Cass is only sure of one thing; alone, she will be lucky to survive. The sprawl of abandoned blockish buildings Cass discovers offers her only more puzzles...Categorized as:
gifted heroine contemporary aliens futuristic science fiction dystopian monsters boss & employee -
![Thanemonger by Bex McLynn]()
Thanemonger by Bex McLynn
If she wanted to survive her alien abduction, then she needed to kick some alien butt. Seph survived being abducted by aliens, and now she's determined to get home to her young son. Her plan: find a spaceship, return to Earth. Simple, but then she meets the domineering Thanemonger. He offers her sanctuary, but only if she complies with his demands...Categorized as:
single-mother aliens military science fiction futuristic men in uniform abduction creative-anatomy -
![War by A.G. Wilde]()
War by A.G. Wilde
SAN'TENThe war has begun.While my brethren find mates with these new hyu’mankin, I want nothing to do with such relations. There is only one need within me and I have been waiting for a long time to sate it—a need for WAR.And I get a taste. It is a sweet fire that fills my soul as I destroy the beings who have ripped my world apart. I will know nothing sweeter…That is…until she wakes...Categorized as:
sweet heroine gifted heroine aliens dystopian from hate to love alpha male monsters suspense -
![Purr for Purchase by V.K. Ludwig]()
Purr for Purchase by V.K. Ludwig
Baby books never mentioned knotty cravings.HeatherWhat to Expect when the Omega is Expecting warned me about a lot of things when it comes to pregnancy without an alpha around. Never did it mention that I would develop romantic feelings for my balled fist. I need a knot. Or a growl. Hell, I’d do with a purr...Categorized as:
sweet heroine single-mother science fiction omegaverse pregnancy futuristic alpha male aliens -
![Remember Me, Synthetica by K. Aten]()
Remember Me, Synthetica by K. Aten
What happens when a woman loses her memory but gains a conscience?Dr. Alexandra Turing is a roboticist whose intellect is unrivaled in the field of artificial intelligence. While science has always come easy, Alexandra struggles to understand emotional cues and responses...Categorized as:
gifted heroine science fiction f-f queer length-short open-door futuristic childfree-couple -
![Unleashed by Lily Archer]()
Unleashed by Lily Archer
Betrayed and delivered into the hands of my enemy, I try to get back to my circle. But the Sentients who’ve captured me are more than just monsters. They tell me my past and promise me a future where I can be free, where all people of the galaxies can exist in peace without the oppressive Gretar Fleet.But the more I learn, the more I realize the Sentients and the Fleet aren’t what they seem...Categorized as:
gifted heroine science fiction aliens royalty reverse harem omegaverse poly length-medium -
![The General by Elaine Waters]()
The General by Elaine Waters
Rated: 4.33 of 5 stars · 6 ratingsSex makes them stronger. We’re at war, and the Zolano warriors need women in their furs to enhance their fighting performance. They’re known for their skills in the battlefield and in the sheets, so it’s easy for them to get volunteering women who gladly rut them in the name of patriotism.Then there’s me. I’m not there to have sex with alien warriors... -
![Into the Rapture by Laurie Roma]()
Into the Rapture by Laurie Roma
As Commanders of the Guards of Sand City, Braden, Jasyn, and Aeron Mazer have earned the loyalty and respect of those they lead. They take their responsibilities seriously, especially guarding the royal family, but their secret obsession with Princess Liandra could end up costing them everything...Categorized as:
sweet heroine shapeshifters science fiction aliens menage explicit-plentiful length-medium poly -
![AWOL Alien by Kelsey Nicole Price]()
AWOL Alien by Kelsey Nicole Price
CharlieWhen alien males started arriving, it brought hope to Earth. Alien mates are the hottest thing on the planet—but only if you can afford one and your tests guarantee alien hybrid babies are in your near future.And guess what? I don’t meet either requirement...Categorized as:
sweet heroine aliens science fiction shy-hero non-human-hero length-medium futuristic dystopian -
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![The Fallen Empire Collection (Books 1-3 and prequel) by Lindsay Buroker]()
The Fallen Empire Collection (Books 1-3 and prequel) by Lindsay Buroker
A fighter pilot on a mission to reunite with her daughter. A cyborg soldier on a quest to regain his humanity. Mortal enemies during the war, they must now work together to salvage a seventy-year-old freighter and navigate the gauntlet of pirates, scavengers, mercenaries, and other pitfalls that stand in their way after the fall of the largest empire mankind has ever known...Categorized as:
single-mother military science fiction futuristic m-f slow burn mature couple competent heroine -
![My Big Green Alien Orc by Skye MacKinnon]()
My Big Green Alien Orc by Skye MacKinnon
Aliens are real. I know because they abducted me. Now I’m trapped in a deadly game and everything I do is for the entertainment of aliens. If I fail, I die. My only chance of survival is a big, scary monster…but is he truly on my side or is this yet another game? She’s my mate. They showed me my fated female, then took her away. I will do anything to get to her. I will tear this planet apart...Categorized as:
sweet heroine science fiction humor aliens length-short explicit-open-door futuristic orcs -
![Protected By The Alien Bodyguard by Ella Maven]()
Protected By The Alien Bodyguard by Ella Maven
I’ll earn her trust and then I’ll make her mine…Mouse: I have no memory or what or who I am, all I know is that everyone and everything is out to hurt me. Hands slap, teeth bite, and boots kick. So when I meet a big bronzed warrior with blue eyes whose hands are gentle and voice is kind, I don’t trust him... -
![The Alien's Obsession by Zoey Draven]()
The Alien's Obsession by Zoey Draven
Welcome to Luxiria, where the twin suns are hot and the alien warriors are hotter… On Earth, Lainey was the beautiful girl, from a wealthy family, that enthralled thousands of people with her gift of music…a girl who had everything. Or so it seemed…and then she was abducted by aliens...Categorized as:
gifted heroine sweet heroine science fiction aliens fated-mates slow burn abduction cold heroine -
![Snowed in with an Alien by Ava Ross]()
Snowed in with an Alien by Ava Ross
With Christmas approaching, can Aida and Trexon give an orphaned little girl her holiday wish, plus find the perfect ending for themselves?Before her conniving father can steal her orphaned niece away, Aida’s determined to give the three-year-old child the Christmas she’s been wishing for...Categorized as:
single-mother science fiction non-human-hero open-door christmas contemporary aliens humor -
![Project: Adapt - Develop: A Space Fantasy Alien Romance by Jade Waltz]()
Project: Adapt - Develop: A Space Fantasy Alien Romance by Jade Waltz
Rated: 4.14 of 5 stars · 7 ratingsPerforming a speech in front of thousands was only the beginning of my worries…My life with my clan was starting to fall into place, as my relationships with my mates continued to settle into our new normal routines.But I keep hearing a mysterious voice, and it is sending my mates into fits of worry...
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