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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![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 -
![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 -
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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... -
![Kiss My Asteroid: Galaxa Warriors by Milly Taiden]()
Kiss My Asteroid: Galaxa Warriors by Milly Taiden
** COMPLETELY STANDALONE **Discover a brand new race of Alpha males ready to find their mates in a dangerous warrior planet. Sassy women traveling with Gerri Wilder are in for the journey of a lifetime and a mate that will love them through the galaxy. Are you ready?Ivy Grimaldi can’t stand change. Ever. But change is something she’s had to deal with a lot lately...Categorized as:
aliens royalty possessive hero non-human-hero mystery strong heroine alpha male pregnancy -
![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... -
![Victoria's Challenge by M.K. Eidem]()
Victoria's Challenge by M.K. Eidem
Rated: 4.30 of 5 stars · 26 ratingsVictoria Lynn Chamberlain… at two, she was abducted by an alien race, the Regulians… at nine, her world literally explodes when the Regulians returned, destroying Earth. She and her Aunt are the only survivors thanks to another alien race, the Carinians. Now she’s eighteen, a new graduate from their top medical school, and is ready to claim her life mate... -
![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 -
![Under Different Stars by Amy A. Bartol]()
Under Different Stars by Amy A. Bartol
Kricket Hollowell is normally not one to wish upon stars; she believes they’re rarely in her favor. Well versed at dodging caseworkers from Chicago’s foster care system, the past few years on her own have made Kricket an expert at the art of survival and blending in. With her 18th birthday fast approaching, she dreams of the day when she can stop running and find what her heart needs most: a home...Categorized as:
dystopian alpha male aliens possessive hero slow burn fated-mates science fiction love triangle -
![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 -
![Paul's Pursuit by S.E. Smith]()
Paul's Pursuit by S.E. Smith
Paul Grove loves two things in the world more than anything else: his daughter, Trisha, and roaming the mountains and forests of Wyoming. One he would kill for, the other is who he is. He has spent his life devoted to his ‘little’ girl, even though she isn’t so little anymore. When she disappears, he focuses all of his hunting and tracking skills on finding her... -
![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 -
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![Tordan by Jennifer Julie Miller]()
Tordan by Jennifer Julie Miller
Rated: 4.51 of 5 stars · 10 ratingsLunaThey 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... -
![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 -
![The Arcav Guard's Female by Hope Hart]()
The Arcav Guard's Female by Hope Hart
Rated: 4.31 of 5 stars · 16 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... -
![Hierax by Ruby Lionsdrake]()
Hierax by Ruby Lionsdrake
Rated: 4.30 of 5 stars · 15 ratingsAs 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... -
![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... -
![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... -
![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... -
![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... -
![Treasured by the Hunter: A Post-Apocalyptic Alien Romance by Lynnea Lee]()
Treasured by the Hunter: A Post-Apocalyptic Alien Romance by Lynnea Lee
Rated: 4.50 of 5 stars · 8 ratingsABBY 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 -
![Hugo by Jennifer Julie Miller]()
Hugo by Jennifer Julie Miller
Rated: 4.44 of 5 stars · 9 ratingsMiyaI 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... -
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![AvX by Jennifer Julie Miller]()
AvX by Jennifer Julie Miller
Rated: 4.44 of 5 stars · 9 ratingsIvyWhy 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: 4.39 of 5 stars · 10 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... -
![Tracking Trisha by S.E. Smith]()
Tracking Trisha by S.E. Smith
Trisha Grove enjoyed her job as a pilot for Boswell International but realizes something is still missing from her life – her family. She is ready to call it quits and head back home to Wyoming where her father lives. She never expected her last flight for Boswell would end with an unplanned trip out of this world... -
![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... -
![Ambushing Ariel by S.E. Smith]()
Ambushing Ariel by S.E. Smith
Ariel Hamm has always had a tender heart. Her love for her sister, Carmen, and her best friend, Trisha, has always been a priority in her life. But at twenty-eight, she is ready to start focusing on what she wants. After her fiancée unexpectedly ends their engagement, she is searching to redefine who she really is. A pilot for Boswell International, she knows flying is not her first love... -
![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... -
![Roth by Anna Hackett]()
Roth by Anna Hackett
Rated: 4.21 of 5 stars · 15 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... -
![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... -
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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...EveAfter 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: Scifi Alien Invasion Romance by Anna Hackett]()
Niko: Scifi Alien Invasion Romance 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... -
![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 -
![The Rogue Captain by K. Webster, Nicole Blanchard]()
The Rogue Captain by K. Webster, Nicole Blanchard
Rated: 4.33 of 5 stars · 9 ratingsI’m the master of my world. A ruler from the skies of a lost planet. The ship captain who watches from above. Until an alien invades my heart and everything changes. She’s from another world and doesn’t want saving, for she’s on a quest of her own. Feisty and fiery, she burns bright like the sun. I crave to capture her and keep her... -
![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... -
![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... -
![Craved by Tana Stone]()
Craved by Tana Stone
Rated: 4.13 of 5 stars · 20 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 -
![Finn: Scifi Alien Invasion Romance by Anna Hackett]()
Finn: Scifi Alien Invasion Romance 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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![Wildling of Ravia by L.A. Holloway]()
Wildling of Ravia by L.A. Holloway
Rated: 4.24 of 5 stars · 11 ratingsCommander Ekhor has never known a universe without war.As a proud member of a warrior race, he has defended his people from the threat of the Rha'ku'tan Empire for his entire life, rising in the ranks of the Alliance military to become one of its most respected leaders... -
![Banic by Mina Carter]()
Banic by Mina Carter
She’s a doc on a mission. He’s a beast with a heart of gold.Dr. Beth Godwin arrives on Parac’Norr with one goal in curing the Blood Rage mutation that plagues the alien warriors. But she didn’t expect Banic, the most feared feral on the planet, or her reaction to him.A caged monster, she knows she should stay away from him... -
![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... -
![Rogue Enforcer by Grace Goodwin]()
Rogue Enforcer by Grace Goodwin
Cormac of Styx Legion knows his value to his people. He is an enforcer, a weapon to be wielded, an executioner. Nothing more. He is accepted but not loved. Feared but not welcomed. He is part of his legion, brutal, efficient and utterly alone.When he receives a coded message claiming he has been matched with an Interstellar Bride, he knows the match must be a terrible miscalculation...Categorized as:
military alpha male age difference aliens fated-mates non-human-hero strong heroine commander -
![Alien General's Fated by Vi Voxley]()
Alien General's Fated by Vi Voxley
Rated: 4.21 of 5 stars · 10 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 -
![Alien Soldier's Baby by Luna Hunter]()
Alien Soldier's Baby by Luna Hunter
Rated: 4.22 of 5 stars · 9 ratingsCan their interspecies romance achieve the impossible? Wanted: distracting assignment for third-wheel researcher Kelly Graham feels like an intruder since her bestie and fellow scientist Jillian Archer married sexy alien warrior General Vinz...
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