Books like 'Cassandra's Challenge'
Readers who enjoyed Cassandra's Challenge by M.K. Eidem also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
futuristic science fiction aliens alpha male military dystopian mystery age difference pregnancy strong heroine
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Age of Deception by T.A. White
War hero and daughter to two Houses, Kira is just beginning to learn how deep the rabbit hole goes. Agreeing to accompany her father’s people back to their homeworld, Kira Forrest prepares for the fight of her life. She’s agreed to undertake the Trial of the Broken, a rite of passage every member of her father’s House must pass...Categorized as:
military mystery aliens strong heroine alpha male slow burn dystopian possessive hero -
![A Treasure for the Alien Warrior by Honey Phillips]()
A Treasure for the Alien Warrior by Honey Phillips
Can an alien commander allow himself to choose love over duty? Jessica’s orderly life changed forever when she became the guardian of her orphaned niece and nephew. She is still trying to learn how to be a parent when they are taken by aliens. After a desperate attempt to escape their captors ends on a deserted planet, she faces an entirely new set of challenges...Categorized as:
aliens alpha male slow burn pregnancy military strong heroine non-human-hero fated-mates -
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![Taunting Krell by Laurann Dohner]()
Taunting Krell by Laurann Dohner
Book 7 in the Cyborg Seduction series. Krell hates humans. They left him scarred and undesirable to females. He’s lived a lonely existence in his home world because of their brutality. So he’s angry when he’s ordered to interrogate the captured human. She’s the enemy, a soldier from Earth. He’ll show her the same mercy they showed him. None...Categorized as:
alpha male aliens strong heroine military men in uniform non-human-hero possessive hero cold hero -
![Tane by Anna Hackett]()
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:
aliens dystopian military independent heroine alpha male men in uniform commander science fiction -
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![Cordelia's Honor by Lois McMaster Bujold]()
Cordelia's Honor by Lois McMaster Bujold
In her first trial by fire, Cordelia Naismith captained a throwaway ship of the Betan Expeditionary Force on a mission to destroy an enemy armada... -
![Craved by the Hunter by Lynnea Lee]()
Craved by the Hunter by Lynnea Lee
SAM. When a legendary PIP model shows up in my shop, I jump on the chance to work on the sentient shuttle, until I meet Pip’s owner. The surly hunter hates humans and has earned himself the nickname Loose Cannon... -
![The Torid Affair by Laurann Dohner]()
The Torid Affair by Laurann Dohner
When riots erupt on planet Torid, the crew of Defcon Red is tasked with quelling the violence and tending the injured. Even Alien Research Specialist Jessa Brick is pressed into service. Arguably more comfortable in her lab, the doctor is shocked at the obvious inequality on Torid...Categorized as:
aliens military pregnancy strong heroine alpha male men in uniform cold hero non-human-hero -
![Gracie's Touch by S.E. Smith]()
Gracie's Touch by S.E. Smith
Gracie Jones was little more than a child when the Earth was invaded by an alien species. Escaping into the subway tunnels of New York City, she hid in fear of being captured. Discovered by four men who became her protectors, she fought alongside them and they became known as the Freedom Five...Categorized as:
pregnancy military alpha male aliens possessive hero fated-mates non-human-hero science fiction -
![Possessed by the Alien Hero by Krista Luna]()
Possessed by the Alien Hero by Krista Luna
I live without emotion. Yet one touch from my fated mate shatters all my restraint. SOFIA. I did it! I helped cure the virus our enemy used to kill so many humans and Varool. Then I created a new one that will turn the tables on the bugs and win us the war. If we can release it into the heart of the attacking Swarm. Enter Yash. Tall. Aloof. Alien. Gorgeous. He’s even royalty of some sort...Categorized as:
aliens fated-mates strong heroine cold hero commander science fiction humor futuristic -
![Mated by V.K. Ludwig]()
Mated by V.K. Ludwig
You know your Gaia link is broken when your match is 93. While every Vetusian around me is expecting the arrival of the first hybrids, my mate is living out her final days in a nursing home. With true love unattainable, I concentrate on busting the crime ring responsible for the supply of human females forced into prostitution at the Odheim brothels... -
![Rescued by her Alien Protector by Mina Carter]()
Rescued by her Alien Protector by Mina Carter
Prepared to put her life on the line, she didn’t expect to lose her heart. Vice President Madison Cole is used to having a target on her back. Being captured by aliens? An acceptable risk to get what she needs. What she didn’t count on was falling for the ‘enemy’, a handsome alien warrior with a hero’s heart...Categorized as:
military aliens alpha male non-human-hero futuristic science fiction suspense career professional -
![Hunter Raze by Laurann Dohner]()
Hunter Raze by Laurann Dohner
When her parents died in her youth, Anabel Brick—along with her sister, Jessa—was raised as an orphan of United Earth. While her sister became an Alien Research Specialist, Anabel’s skills were put to a different use. She’s a tool for U. E. and its military fleet…a spy…a killer. Her current mission also turns out to be her last... -
![Hunted by the Alien Berserker by Mina Carter]()
Hunted by the Alien Berserker by Mina Carter
She’s a pilot, not a people person. What does she know about keeping a bunch of women alive on an alien planet? Even worse, said planet has alien cavemen intent on carrying them off to their lairs to… do whatever it is alien cavemen DO to their captives. Yeah, that doesn’t take a genius to figure out...Categorized as:
aliens military age difference strong heroine alpha male possessive hero commander forced proximity -
![Tordan by Jennifer Julie Miller]()
Tordan by Jennifer Julie Miller
Rated: 4.51 of 5 stars · 10 ratingsLuna. They stole my dreams, my hopes, my very identity, and I had no idea. Years went by and I did everything I was told, I was always the perfect specimen, and the perfect lab rat. I was dissected, even maimed all in the name of science. Then one day a strange smoky voice entered my head, and I knew things were not as they seemed...Categorized as:
alpha male aliens dystopian strong heroine new adult science fiction futuristic audiobook -
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![The Dark Ones by Thomas J. Doscher]()
The Dark Ones by Thomas J. Doscher
The Dark Ones have returned…. With a possible insurrection averted and the Va’Shen village of Pelle once again at peace, Ranger Captain Ben Gibson and the high priestess, Alacea, thought they would finally have time to let their awkward relationship bloom. Those hopes are dashed, however, when an unknown alien ship arrives in the Va’Sh system and immediately destroys the U. S... -
![The President's Alien Princess by Mina Carter]()
The President's Alien Princess by Mina Carter
Asleep in the ice for eons, she’s woken by the prince she despises… Betrayed and forced into stasis after a coup sent her starship crashing onto an unknown planet, Imperial Navy Captain Lynara Varaant only expects to sleep a few years until rescue comes...Categorized as:
military aliens age difference strong heroine alpha male science fiction death open-door -
![Treasured by the Hunter: A Post-Apocalyptic Alien Romance by Lynnea Lee]()
Treasured by the Hunter: A Post-Apocalyptic Alien Romance by Lynnea Lee
ABBY. Years after the end of the world, my life is falling apart again. This time, I know exactly how to survive in the bugpocalypse. What I don’t know is what to do with the brawny purple alien following me around. Harb’k isn’t just big and strong, with a protective streak a mile wide, but he’s funny as hell too...Categorized as:
aliens fated-mates dystopian non-human-hero science fiction post-apocalyptic futuristic m-f -
![Holmes by Anna Hackett]()
Holmes by Anna Hackett
Rated: 4.36 of 5 stars · 14 ratingsThe battle of survival against the invading aliens heats up…but Hell Squad never quits. General Adam Holmes’ life is dedicated to keeping his small band of survivors alive. On the run, with only Hell Squad and the other soldiers for protection, they are making their last dangerous drive to the secret stronghold of the Enclave... -
![The Arcav Guard's Female by Hope Hart]()
The Arcav Guard's Female by Hope Hart
Rated: 4.27 of 5 stars · 18 ratingsShe’s on a quest for revenge…. . .. But he’s on a mission to make her his. .. After being abducted by aliens and rescued by the Arcav, all Peyton wants is revenge. Well, that, and a trip straight back home to Earth where she belongs. She’s not interested in the handsome Arcav Guard who stares at her so intently. Even if he does make her wish she’d met him before her captivity...Categorized as:
military aliens non-human-hero science fiction futuristic length-short m-f audiobook -
![Twist of Fate by Regine Abel]()
Twist of Fate by Regine Abel
First Officer Ghan has entered the final stages of the Taint, the deadly disease that kills most Xelixian males by the age of forty. He is determined to bring an elusive foe to justice before his body shuts down completely. When tragedy strikes a close ally, he finds his soulmate in an unexpected twist of fate. If only she had revealed herself sooner, she could have cured him... -
![Repatriation by Thomas J. Doscher]()
Repatriation by Thomas J. Doscher
With the misunderstanding surrounding Ranger Captain Ben Gibson’s marriage to the local Va’Shen high priestess, Alacea, finally cleared up, relations between the Rangers and the local occupied alien village have never been better. Because of this, Alacea believes it’s the perfect time for the two of them to move to the next logical stage of their relationship: having a baby...Categorized as:
military aliens strong heroine men in uniform commander humor science fiction length-medium -
![Cupcake Girls by Thomas J. Doscher]()
Cupcake Girls by Thomas J. Doscher
A month has passed since Captain Ben Gibson arranged for the return of the village's missing commandos, and relations between the Rangers and the local alien community have never been better. As the two sides work together to prepare for the arrival of a group of refugees, he and the Va'Shen priestess, Alacea, work on exploring their budding personal relationship...Categorized as:
military aliens strong heroine men in uniform commander science fiction length-medium behind-doors -
![Hierax by Ruby Lionsdrake]()
Hierax by Ruby Lionsdrake
As a database programmer from Arizona and a fan of sedate, indoor activities, Indi Smith doesn’t belong in outer space. Certainly not in a star system with a broken wormhole gate and no way home. But through no fault of her own, that’s where she’s landed, and nobody on the ship, not even the genius chief engineer Hierax, knows how to repair the gate...Categorized as:
military aliens non-human-hero humor science fiction futuristic length-medium audiobook -
![Home World by Erin Raegan]()
Home World by Erin Raegan
Rated: 4.22 of 5 stars · 21 ratingsPeyton. I fell in love with an alien. Our world was invaded by carnivorous freaks and the Dahk swooped in and saved me and my friends. They want to save the Earth but we are our own worst enemy, or so I thought. The truth is we have no idea what's out there. Now I'm on my way to Home World. The Dahk's world. An alien world. I had no choice, it was taken from me...Categorized as:
aliens fated-mates non-human-hero science fiction futuristic m-f length-medium audiobook -
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![Valor's Trial by Tanya Huff]()
Valor's Trial by Tanya Huff
Rated: 4.14 of 5 stars · 31 ratingsThe fourth book in Tanya Huff's action-packed military sci-fi adventure Confederation seriesAfter surviving the perils of the Crucible, the Marine Corps planet where a routine training assignment had taken a deadly twist—Gunnery Sergeant Torin Kerr returned to Ventris Station just in time to link up with her old platoon and head out to a new war zone, an area of space where the enemy known as the... -
![Hugo by Jennifer Julie Miller]()
Hugo by Jennifer Julie Miller
Rated: 4.44 of 5 stars · 9 ratingsMiya. I awaken to the touch of cold metal hands and talking holograms. Paralyzed and dependent on the Others. They tell me a story… at first; I refuse to believe. A story of no return and extreme loss, but one of the voices is different. He projects anger and distrust…but his hands… even though cold and hard, are always gentle... -
![AvX by Jennifer Julie Miller]()
AvX by Jennifer Julie Miller
Rated: 4.44 of 5 stars · 9 ratingsIvy. Why are the last words ever spoken to our loved ones is in anger? I knew the moment I left it was a mistake, but my stubborn pride urged me forward. I’ve awakened to unimaginable horrors, pain unlike anything the human mind could conceive, until him. Now, I’m too scared to trust my own feelings, as they have only led me astray... -
![A Very Arcav Christmas by Hope Hart]()
A Very Arcav Christmas by Hope Hart
Rated: 4.30 of 5 stars · 13 ratingsBabies, weddings, and Christmas. .. oh my! For the human women on Arcavia, there's plenty to celebrate during the holidays. Sure, the Grivath are a constant threat, but with a surprise wedding to plan, a baby on the way, and even a visit from Santa, the first Arcav Christmas is sure to be incredible... -
![Craved by Tana Stone]()
Craved by Tana Stone
Rated: 4.17 of 5 stars · 22 ratingsShe thinks the gorgeous, silver fox alien is a hologram. He’s not. The only alien warrior True isn’t intimidated by is the one in her holodeck simulation. Not only is True a virgin, she’s barely been kissed, so the huge, hunky Drexian warriors terrify her. But the guy in her simulation doesn’t. He may be as big and built as the rest of them, but she knows he’s not real...Categorized as:
military aliens non-human-hero science fiction futuristic virgin heroine shy heroine audiobook -
![Alien Duke's Fated Mate by Mina Carter]()
Alien Duke's Fated Mate by Mina Carter
She's the best pilot in the galaxy. .. He's an arrogant alien duke. Major Zara Reid has one mission - prove human pilots can fly alongside the alien Latharians. She didn’t expect their arrogant Lord Starfighter to try and undermine her at every turn...Categorized as:
military aliens independent heroine strong heroine commander royalty non-human-hero science fiction -
![Sagitta by Ruby Lionsdrake]()
Sagitta by Ruby Lionsdrake
Rated: 4.20 of 5 stars · 17 ratingsDr. Tala Matapang thought the most challenging part about getting kidnapped by slavers from another planet would be escaping, not butting heads with the obstinate Star Guardian captain who rescued her. She’s been working in his sickbay, and it's refreshing not having to deal with the politics and bureaucracy she faced as a surgeon back home, but Captain Sagitta is as infuriating as he is handsome... -
![Mercenary Abduction by Eve Langlais]()
Mercenary Abduction by Eve Langlais
All this mercenary wants is to kill and loot his way to fame and fortune, but his plans change when a human accidentally steals his heart. Makl is looking to become the greatest mercenary the universe has known. In true family tradition, he leaves a trail of mayhem and bodies wherever he goes. steals the most priceless of items, ravishes females left and right...Categorized as:
alpha male aliens military non-human-hero science fiction futuristic humor explicit-open-door -
![Adaptation: book I by Pepper Pace, J.J. Murray]()
Adaptation: book I by Pepper Pace, J.J. Murray
Carmella was still a teen when the Motherships first appeared dotting the skies over the Earth. For years the world tried to normalize while the silent Motherships hovered. And then THEY arrived, promising that they meant no harm. But within ten years eighty percent of the world’s population would be wiped out. Including everyone that Carmella loved...Categorized as:
military dystopian aliens pregnancy non-human-hero futuristic science fiction multicultural -
![The Security Guy by V.C. Lancaster]()
The Security Guy by V.C. Lancaster
Anna has been sent to the San Diego branch of the Department of Extra-Terrestrial Immigration from her London PR company to negotiate a contract. Her job is to help improve the public image of the local Teissian refugee community after it has come under attack from a local politician. On her first day there, she is invited to the office Christmas party... -
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![Alien Barbarian's Queen by Juno Wells]()
Alien Barbarian's Queen by Juno Wells
I do not desire death, but if that is my destiny to protect my Queen, then so be it. .. Eve. After the fall, homeless folks like I became were shut out of the system. Not even my medical degree saved me from the fate so many experienced. Living rough with a group of women and children, we end up attached to a roving military unit when hostile aliens attack Earth... -
![Niko by Anna Hackett]()
Niko by Anna Hackett
Rated: 4.23 of 5 stars · 13 ratingsIn the aftermath of a deadly alien invasion, a band of survivors fights on…. Mackenna Carides is tough, strong, and excellent at her job as second-in-command of Squad Nine. She often works side by side with Hell Squad on some of the toughest missions to fight back against the alien raptors. Now she’s helping the survivors of Blue Mountain Base settle into their new home at the Enclave... -
![Hemi by Anna Hackett]()
Hemi by Anna Hackett
Rated: 4.30 of 5 stars · 10 ratingsIn the middle of an alien invasion, a big, tough, tattooed former mercenary is finally going to chase down his woman. Camryn McNab knows love is a lie. Okay, maybe not for everybody--her fellow soldiers on Squad Nine have managed to fall in love in the middle of a vicious alien attack. But it's not for her. She comes from two people incapable of love...Categorized as:
aliens military independent heroine science fiction futuristic length-short m-f audiobook -
![Levi by Anna Hackett]()
Levi by Anna Hackett
Rated: 4.30 of 5 stars · 10 ratingsIn the middle of an alien invasion, a bad boy berserker collides with a spunky mechanic on a dangerous sabotage mission. Levi King has always lived rough. Raised by a biker dad, he fought for everything he had—including being president of the Iron Kings motorcycle club. But when the aliens invaded, he lost it all...Categorized as:
aliens dystopian military independent heroine science fiction futuristic m-f length-short -
![Down to Earth: A Fated Mate Alien Warrior Romance by Alana Khan]()
Down to Earth: A Fated Mate Alien Warrior Romance by Alana Khan
Rated: 4.50 of 5 stars · 6 ratingsWithout A’Dar’s help, Maya won’t last an hour. Without access to her blood, neither will he. Pitted against hundreds of competitors whose only mission is to viciously kill their opponents, Maya must strike a deal with the scariest male she could ever imagine. What starts as an unholy bargain results in a deliciously erotic soul-connection deeper than either of them dared to dream...Categorized as:
age difference aliens alpha male mystery vampires science fiction futuristic forced proximity -
![Warrior's Taken by Emma Aliysn, Sora Stargazer]()
Warrior's Taken by Emma Aliysn, Sora Stargazer
Rated: 4.50 of 5 stars · 6 ratingsAbducted by her one night stand. Confined on a ship. Stalked by a traitor. She wanted a prince, but it just *ucking figured Shira Perez's alien baby daddy turned out to be an intergalactic pirate. Slick, amoral, hot as hell, Malko thinks just because his DNA helped create her son that she is his genetic fated mate, and permission is a pesky detail... -
![Trinity, Part 2 by Grace Goodwin]()
Trinity, Part 2 by Grace Goodwin
Leoron of Alera has learned the truth about his new mate's identity, but landed in the hands of her enemies. The time for secrets is over. .. Welcome to the Interstellar Brides® all new Ascension Saga and the planet Alera, where women from Earth not only find their mates, but fight to rule the world. Download now as the adventure continues!Categorized as:
military aliens royalty non-human-hero mystery fated-mates independent heroine strong heroine -
![The Better Part of Valor by Tanya Huff]()
The Better Part of Valor by Tanya Huff
Rated: 4.08 of 5 stars · 30 ratingsBest known for her Quarters series and vampire novels, Tanya Huff stunned critics and fans with Valor's Choice, her first military science fiction novel. This thrilling sequel follows the Confederation's investigation of a seemingly abandoned alien spaceship. "Solid. .. entertaining. .. rousing military adventure. " (Locus). -
![Seized by Tana Stone]()
Seized by Tana Stone
Rated: 4.21 of 5 stars · 13 ratingsHow unlucky do you have to be to get abducted by aliens. . . twice? Snatched from Earth to be a bride for a bad-ass race of warriors, Bridget has barely gotten used to her new life on the high-tech Drexian space station when she’s abducted again. This time the aliens are vicious and bloodthirsty, and they have very different plans for the pretty human...Categorized as:
aliens military non-human-hero science fiction multicultural futuristic length-short audiobook -
![Finn by Anna Hackett]()
Finn by Anna Hackett
Rated: 4.22 of 5 stars · 12 ratingsIn the aftermath of a deadly alien invasion, a band of survivors fights on…. For Hawk pilot Finn Erickson, flying is in the blood. Since the aliens decimated the planet, he spends most of his time flying Hell Squad into combat. With communication to other survivor bases cut off, he has no idea if his family is still alive and feels their loss keenly...Categorized as:
aliens military dystopian independent heroine futuristic science fiction m-f length-novella -
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![Razor's Traitorous Heart by S.E. Smith]()
Razor's Traitorous Heart by S.E. Smith
Kali Parks is a shadow in the war between two factions that are fighting to gain control of Chicago. Born and raised on the streets, she stands as a silent sentinel at her brother’s side as he battles to gain control. She will do whatever it takes to bring peace to those she has pledged her life to protect, including fighting against the creatures that came to their world almost six years before... -
![Exposed by Tana Stone]()
Exposed by Tana Stone
Rated: 4.18 of 5 stars · 13 ratingsSuspected of kidnapping. Broke. Dumped. Katie thought things couldn’t get any worse. Then, she was abducted by aliens. Sure, they were hot warrior aliens, and the space station she was taken to was the coolest place she’d ever seen... -
![Warrior Rescued by Stephanie West]()
Warrior Rescued by Stephanie West
Elena had no clue aliens existed before she awoke to discover her abductors had crashed while trying to colonize a new world. For two long years she’d been struggling on the baked and barren hellish planet, forced to survive all alone. The only thing that keeps her going is watching over her fellow humans, still in stasis and blissfully unaware of the nightmare all around...Categorized as:
aliens military strong heroine alpha male science fiction suspense futuristic length-medium -
![Undone by Wendy Higgins]()
Undone by Wendy Higgins
Rated: 4.17 of 5 stars · 13 ratingsUSA Today and New York Times bestselling author, Wendy Higgins, brings you the gripping, sensual conclusion to her apocalyptic trilogy. Amber Tate never dreamed their heart-wrenching escape from the enemy’s attack would lead them to the most beautiful place she’s ever seen, marred by one ugly fact; it’s under enemy control...Categorized as:
dystopian military aliens science fiction futuristic new adult suspense length-medium -
![Roth by Anna Hackett]()
Roth by Anna Hackett
Rated: 4.13 of 5 stars · 16 ratingsIn the aftermath of a deadly alien invasion, a band of survivors fights on…. Roth Masters is a protector to the bone. Driven by the losses of his past, he fights side-by-side with Hell Squad to protect the human survivors of the alien invasion. As leader of Squad Nine, he and his team are known for their perfect timing in a firefight... -
![Alien General's Fated by Vi Voxley]()
Alien General's Fated by Vi Voxley
Rated: 4.19 of 5 stars · 11 ratingsThis general will never lose. .. This is a full 100 k sci-fi romance novel, featuring a growly Alien Alpha general and a feisty, curvy human woman going against all the odds. It is part of a series but can and should be read as a standalone novel! No cheating and a guaranteed HEA! Aria Harris has been fighting for recognition all her life...Categorized as:
aliens military alpha male fated-mates science fiction futuristic political-intrigue length-epic
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