Books like 'Undercover Action'

Readers who enjoyed Undercover Action by Cassie Cole also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

contemporary  reverse harem  poly (3+ people)  military  suspense  menage

  • The Reign Of Kings by Candice M. Wright

    The Reign Of Kings by Candice M. Wright

    Rated: 4.49 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 23 ratings
    Raised by a family of cops who see the world in black and white,I grew up with a defiant streak a mile long,And an immunity to gun-toting alpha males.That is until I find myself at the Carnage clubhouse,At the mercy of their Kings.Now my black and white world is a dirty shade of gray,And my immunity to alpha males has disappeared along with my underwear...
  • The Crown of Fools by Candice M. Wright

    The Crown of Fools by Candice M. Wright

    Rated: 4.55 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 13 ratings
    The fates hadn’t always been kind to Sunshine...Abandoned as a baby with nothing more than a blanket and a nameKatia ‘Sunshine’ Jones knows what it feels like to be alone.With her childhood spent navigating the foster system,She finally finds a home in the arms of a boy who becomes her entire world...
  • Sponsored links
  • Kept by her Daddies by Laylah Roberts

    Kept by her Daddies by Laylah Roberts

    Rated: 4.51 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 16 ratings
    Maggie’s lost . . .Well, not literally. She knows where she is. Most of the time, anyway.But ever since a car accident ruined her career, she’s been jumping from job to job, unable to find her purpose.Which is how she finds herself in beautiful Escana, helping her eccentric uncle take photos of the soon-to-be Princess.What she doesn’t expect is to find three men she’s drawn to...
  • Strings by Bea Paige

    Strings by Bea Paige

    Rated: 4.59 of 5 stars
    · 13 ratings
    With Ivan I found acceptance. With Anton, home in the dark. With Erik, I fear my undoing… Erik Hadley is a gifted violinist with a dark past and an even more troubled soul. His only place of safety, a glass room built to protect others from his violent outbursts. But it’s nothing more than a prison, and I have every intention of setting him free. It won’t be easy...
  • The Heir of Shadows by Candice M. Wright

    The Heir of Shadows by Candice M. Wright

    Rated: 4.49 of 5 stars
    · 14 ratings
    There was a little girl, who had a little gun, pointed right at the center of her forehead.When she was good, she was very, very goodBecause if she was bad, she was dead...
  • Deadly Betrayal by Nikita Parmenter

    Deadly Betrayal by Nikita Parmenter

    Rated: 4.39 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 18 ratings
    It’s been two years since Mr Rising offered Ever and her men the chance to work for them. They’ve settled into the job now, but by no means have their lives become any less dangerous. The older teams don’t like how many high-profile jobs they get, and now there’s a mole in their midst, one that threatens everyone who works for Mr Rising; agents and families are in danger...
  • Gamer Girls - Books 4-7 by Auryn Hadley, Kitty Cox

    Gamer Girls - Books 4-7 by Auryn Hadley, Kitty Cox

    Rated: 4.86 of 5 stars
    · 7 ratings
    Fragged - Book 4Some things are worth fighting for.Riley's life is better than it's ever been before. She has the love of her life, a family made from those she cares about, an adorable "little" rescue dog, and even her horse business is doing pretty good. Everything is great. Everything is wonderful. At least on the surface...
  • Quintessence: The Boxset 1-3 by Serena Akeroyd

    Quintessence: The Boxset 1-3 by Serena Akeroyd

    Rated: 4.67 of 5 stars
    · 9 ratings
    When Sascha heads for a job interview, she has no idea that her life is about to change. There's more at stake than just a job here. With five sexy geniuses as her new bosses, she has two choices. Keep things platonic or make things interesting... Find out what her decision is in Quintessence: The Boxset. Books 1-3 are available in this omnibus edition for the first time...
  • Wanted by the Bikers by Stephanie Brother

    Wanted by the Bikers by Stephanie Brother

    Rated: 4.34 of 5 stars
    · 14 ratings
    My mouth can’t get me in trouble if three wicked bikers are keeping it busy.My whole life I’ve felt like an extra in someone else’s movie. Just once, I want to be the main character. The one who gets all the attention. The one that exciting and amazing things happen to.Maybe I shouldn’t have wished so hard...
  • Single Mom for the Bikers by Stephanie Brother

    Single Mom for the Bikers by Stephanie Brother

    Rated: 4.34 of 5 stars
    · 14 ratings
    Three big biker Daddies are about to rock the world of one lonely, single mom.“Mommy? Who’s that?”When I come home to find a massive, unconscious biker in my driveway, there’s only one man I dare call for help.Far too young, I ran away and put my trust in the wrong man, a slick jerk who laughed in my face when he found out I was pregnant...
  • Defied by Sarah Bailey

    Defied by Sarah Bailey

    Rated: 4.63 of 5 stars
    · 8 ratings
    Two become three. Lies, lust and betrayal. Who will fall first?It started when I chose to remain with them. The ones who took me from my life and changed all the rules. The chains binding me to my family loosened their hold. Little did I know that by taking me, Quinn and his friends began the long process of setting me free. And even as I got closer to the boys, the past always held us back...
  • Unraveling Connections  Book 10 by Nikita Parmenter

    Unraveling Connections Book 10 by Nikita Parmenter

    Rated: 4.44 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 9 ratings
    Luc’s hurt and we have no idea what’s going on or how long it’s going to take for him to recover. Not even Mr R knows what’s poisoned him, and he’s refusing to let me pay Luc’s father a visit, knowing it would get bloody.It’s probably the right choice, but I’m not happy about it...
  • Bitter Pills by Coralee June

    Bitter Pills by Coralee June

    Rated: 4.56 of 5 stars
    · 9 ratings
    I’m on the run. I’m a ghost. A nobody. A man longing for two people he can’t have. When the Ringleaders captured me, my life ended. I’ve seen the world. I’ve killed innocents. I’ve lost myself to a cause I never wanted to be apart of. If I want to keep Grace, Alessandro, and Sunshine safe, I have to become a monster. The family I’ve chosen can’t know I’m still alive.Once a Bullet, always a Bullet...
  • Theirs by Serena Akeroyd

    Theirs by Serena Akeroyd

    Rated: 4.56 of 5 stars
    · 9 ratings
    Perry was a nobody. A nothing. Until she met him and became THEIRS. Farmers' stock with curves as thick as her Tennessee accent, Perry didn't expect much out of life. She had a cause she fought tooth and nail for, a career that meant everything, and a best friend who meant the world to her. Of course, that best friend wasn't just anyone...
  • Sinful Ella by Nicole Casey

    Sinful Ella by Nicole Casey

    Rated: 4.56 of 5 stars
    · 9 ratings
    The plan was to go on one kickass tour, not fall in love with seven rock stars haunted by a tragic past.As the lead singer of my band, I’m thrilled when it’s finally time for us to go on tour. But instead of a fun road trip, I’m bombarded with complaints from my two bandmate sisters, who happen to think that nothing I do is good enough...
  • Four Always by Stephanie Brother

    Four Always by Stephanie Brother

    Rated: 4.45 of 5 stars
    · 11 ratings
    I have a secret. Four of them, actually. They’re big and strong and make their living taking off their clothes for adoring fans. But they’ve been giving me private shows for free.When an innocent bakery delivery ends in me being surrounded by four hot male strippers, I don't stand a chance of resisting them...
  • Love by Numbers Complete Series by Nicole Casey

    Love by Numbers Complete Series by Nicole Casey

    Rated: 4.44 of 5 stars
    · 11 ratings
    Hot. Delicious. Irresistible. A 9-book reverse harem box set that will keep you up all night.9 groups of Alpha males await, ready to bring you down to your knees...
  • Snow & the 7 Protectors by Kai Lesy

    Snow & the 7 Protectors by Kai Lesy

    Rated: 4.29 of 5 stars
    · 16 ratings
    Never in my wildest dreams did I imagine falling so hard -- not just for one -- but for SEVEN wealthy, protective, and untamed men. Snow Thanks to the world's most hateful stepmother,I took a well-deserved retreat to the mountains.A magical place owned by seven powerful, and undeniably attractive men.Rough, rugged, and wild.And they want to make my wildest dreams come true...
  • Baby Makes 7 by Kai Lesy

    Baby Makes 7 by Kai Lesy

    Rated: 4.44 of 5 stars
    · 10 ratings
    A family of seven!? How did I get this freaking lucky?”Before meeting Kellan, Fallon and Luke, I was a homeless single mother.Escaping an abusive ex, with two small children to feed.The gorgeous men of my dreams offered more than just shelter in their spectacular mansion;They gave me love, a sense of belonging, and…A beautiful baby boy.Yet just when I find peace my younger sister goes missing...
  • Sharing the Nanny by Krista Wolf

    Sharing the Nanny by Krista Wolf

    Rated: 4.40 of 5 stars
    · 11 ratings
    What do you do when your best male friends are fighting over you? Not just as a nanny to their little ones, but as a lover, as a girlfriend, as someone to protect and keep and share?Harper Hayes is a nerd on a mission. She has to finish innovating her revolutionary new virtual reality software, so she can license the tech to the highest bidder.Only her timeline is tight...
  • Kings of Linwood Academy - The Complete Box Set by Callie Rose

    Kings of Linwood Academy - The Complete Box Set by Callie Rose

    Rated: 4.38 of 5 stars
    · 11 ratings
    COMPLETE REVERSE HAREM SERIESRich boys don’t fraternize with the help.They don't torture the help.They don't crave the help.For as long as I can remember, my mom and I have lived on the edge of ruin, so when she finally gets a decent job offer, she moves us cross-country to take it...
  • Quintessence: The Boxset 4-6 by Serena Akeroyd

    Quintessence: The Boxset 4-6 by Serena Akeroyd

    Rated: 4.67 of 5 stars
    · 6 ratings
    When Sascha decides to be more than just a housekeeper to her sexy new bosses, she triggers events she could never have foreseen. With five men to protect her, she should be safe, but there's an outside threat that has the potential to destroy them. Find out if her men keep Sascha safe in Quintessence: The Boxset. Books 4-6 are available in this omnibus edition for the first time...
  • Healing Shattered Hearts by Kerry Taylor

    Healing Shattered Hearts by Kerry Taylor

    Rated: 4.36 of 5 stars
    · Steam rating: 5 of 5
    Explicit and plentiful [?] · 11 ratings
    Olivia Byrd spent eight years of her childhood at the hands of a monster. Now that monster is gone and she is finally free of him, but she has been left with so many unanswered questions...
  • Daddies by Shanna Handel

    Daddies by Shanna Handel

    Rated: 4.28 of 5 stars
    · 13 ratings
    A Mafia Billionaire Romance. I didn't ask for a daddy. They decided I needed two.When they caught me putting my nose where it didn't belong, they didn't just teach me a lesson.They bared my bottom and spanked me like a naughty little girl.Then they made me call them daddy.This bad girl needs a firm hand. From both of us.She was playing a dangerous game and she had to be punished...
  • Fireworks with Three Mountain Men by K.C. Crowne

    Fireworks with Three Mountain Men by K.C. Crowne

    Rated: 4.24 of 5 stars
    · 14 ratings
    My sister's ex wants to make me his.And his two equally hot friends are ready to join the party.With all this sexual tension between the four of us...I'm feeling sparks like the Fourth of July!!Dylan is my sister's ex boyfriend and as dreamy as they come.He's protective, strong and as big as the mountains he calls home.Red is quiet and thoughtful...
  • Spies Like Us by Lexie Winston

    Spies Like Us by Lexie Winston

    Rated: 4.30 of 5 stars
    · 10 ratings
    When the party that was supposed to shed light on the underground world of Summerville went pear shaped and revealed the death of a team member they ended up with more questions than answers...
  • The End of Me by Claudia Y. Burgoa

    The End of Me by Claudia Y. Burgoa

    Rated: 4.33 of 5 stars
    · Steam rating: 2 of 5
    Behind closed doors [?] · 9 ratings
    One moment destroyed our perfect love. This is an emotional, angsty, tearjerker Why Choose? Romance Duet by USA Today Bestselling Author Claudia Burgoa. I fell in love with Archer St. James long ago. We were children, but our hearts just knew it. We were soulmates. Our love was eternal. But it wasn’t. My future and my heart shattered the day he died...
  • Twisted Legacy by Dakota Lee

    Twisted Legacy by Dakota Lee

    Rated: 4.50 of 5 stars
    · 6 ratings
    I woke up in an unfamiliar room, broken and bruised, with no memory of how I got hurt.I’m grateful LJ and Wolfe were there to nurse me back to health.Everything’s different when I get back to school.The Dean covered up the truth about Mayhem Night. Called it a sorority prank gone wrong. That won’t stop me from getting answers.Based on our history, The Trium is at the top of my suspect list...
  • Vicious Chaos by Samantha Bee

    Vicious Chaos by Samantha Bee

    Rated: 4.60 of 5 stars
    · 5 ratings
    I never cared if I lived or died.For eight years I lived as a mess of broken pieces that never could fit back together quite right.Eight years of training. Of building an empire. Of fighting. Of just surviving. Of letting my heart beat for revenge.Only revenge.Eight years of not really living at all.While I was living half a life, I didn’t realize all that was being built up around me.A home...
  • Charmed by Them by Serena Akeroyd

    Charmed by Them by Serena Akeroyd

    Rated: 4.26 of 5 stars
    · 11 ratings
    This Reverse Harem Romance is a five part series. Be prepared for weekly releases of this red hot read! SEAN Sean's a genius. Not that he brags about it. An eminent criminologist, he rules his particular roost. More than just at work. At home too. See, back in college, Sean met four other guys. All geniuses, crazy prodigies who were going to set the world alight with their brilliance..
  • Gilded Princess by Penelope Black

    Gilded Princess by Penelope Black

    Rated: 4.02 of 5 stars
    · Steam rating: 4 of 5
    Explicit open door [?] · 15 ratings
    When I was little, I was obsessed with fairytales. My dad told me the stories of the stars and white knights who rescue princesses. I’d wear a silver plastic crown and stare at the sky, waiting for the day my knight in shining armor would come.Then my dad died, my crown broke, and my mom shipped my sister and me off to boarding school.And then I met them.My knights...
  • The Wild Finale: The Wild Boys Book 3 by K.A. Knight, Erin O'Kane

    The Wild Finale: The Wild Boys Book 3 by K.A. Knight, Erin O'Kane

    Rated: 4.25 of 5 stars
    · 8 ratings
    Welcome to The Wild Boys, where all your wettest dreams come true.Heartbroken over the loss of Mark, our happily ever after seems to be slipping away with each day that passes. We have to try and navigate our way through obstacles facing a relationship such as ours, while still performing on the sold out tour.The show must go on, but hiding in the wings is our stalker. An obsessed fan..
  • Derailed by Sarah Bailey

    Derailed by Sarah Bailey

    Rated: 4.33 of 5 stars
    · 6 ratings
    Three mixed with four. The captive became an ally. Who will break first?It started when they betrayed me. The ones who I’d come to trust. The ones I was starting to love.My world flipped upside down and nothing is as it seems. Everything was unravelling before my eyes, tearing us apart whilst pulling us closer together.I’m caught between two worlds...
  • Double Dog Dare by Ember Davis

    Double Dog Dare by Ember Davis

    Rated: 4.33 of 5 stars
    · 6 ratings
    HADLEYI’ve been hustling for my business, Paws Up, and now that we’re growing, I need to do some more research to make sure my treats and food are the best they can be. When I get an in to visit a dog training facility, I jump at the chance. I’m looking forward to everything I’ll have the opportunity to learn and getting out of Denver for a little while...
  • Four Daddies for Christmas: A Military Reverse Harem Romance by K.C. Crowne

    Four Daddies for Christmas: A Military Reverse Harem Romance by K.C. Crowne

    Rated: 4.05 of 5 stars
    · 26 ratings
    Four untamed ex-military daddies.One very unassuming girl.Who said Christmas miracles don’t exist?My family’s failing farm combined with my father’s debt has me tossing and turning.Luckily a chance rescue brings me face to face with an opportunity I can't resist.I've been hired to take care of an adorable set of twins.But I'm nervous for three VERY good reasons:1...
  • INVICTUS by Marian Andrew

    INVICTUS by Marian Andrew

    Rated: 4.40 of 5 stars
    · 5 ratings
    My boyfriend of two years dumped me for a wealthy Manhattan socialite.Desperate for a distraction, I found it with the incredibly hot and spicy Archer St John, a frequent guest of the hotel I work at in London.After an unbelievably perfect night with him, I woke up next to a pool of blood that wasn’t mine. Archer was gone, and so were his clothes and every trace of him...
  • Cross my Heart by Lucy Smoke

    Cross my Heart by Lucy Smoke

    Rated: 4.12 of 5 stars
    · 13 ratings
    What kind of person falls into a relationship with several men? Now I know the answer. Me. I’ve finally realized that and I’ve come to terms with it. But it seems that fate has one last challenge for us to overcome. Theodora “Teddi” Vandersen, otherwise known as Grayson’s mother, has apparently been following me for weeks now. She thinks it’s my fault that Grayson’s done with her...
  • Protecting Her Secret by Ajme Williams

    Protecting Her Secret by Ajme Williams

    Rated: 4.08 of 5 stars
    · 14 ratings
    I kept our baby a secret thinking that it was the right decision.And it was… until I found myself in a mess greater than any Hollywood movie could ever portray.Working as a PR executive for a brilliant director was supposed to be fun.Little did I know that I’d meet not one, but four men of my dreams.Ryan, the country’s superhero, is my baby daddy...
  • Smolder by Cassie Cole

    Smolder by Cassie Cole

    Rated: 4.00 of 5 stars
    · 18 ratings
    I’m the only female smokejumper in Northern California. Fighting wildfires surrounded by sweaty, chiseled, ax-wielding hunks. I could usually ignore the gorgeous men around me... Until I met the three of them . Foxy, the tattoo-covered goofball who’s always making jokes--and who smiles like he wants to tell me a secret...
  • Nanny for the Firemen by Cassie Cole

    Nanny for the Firemen by Cassie Cole

    Rated: 4.03 of 5 stars
    · 23 ratings
    I finally landed a date with the swooniest, most gorgeous fireman in town.But just when our date was going well, he got called back to the firehouse.Turns out, a baby was left on the fire station doorstep.And since they’re clueless about taking care of a baby, they recruit me to help.Now I’m crashing at the firehouse with them.Three hulking, chiseled heroes in suspenders...
  • SEAL Daddies Next Door: An Age Gap, Accidental Pregnancy, Reverse Harem Romance by Ajme Williams

    SEAL Daddies Next Door: An Age Gap, Accidental Pregnancy, Reverse Harem Romance by Ajme Williams

    Rated: 4.09 of 5 stars
    · 11 ratings
    Becoming rich overnight led to a series of nightmares. But the three much older Navy SEALs that entered my life as a result were more like a fantasy come true. The electricity I feel with them makes me forget that the man who surprisingly left me an inheritance has been murdered... and I’m the prime suspect. Reed, a protective single dad, has a rugged charm that could steal any woman’s heart...
  • Her Royal Treatment: A Military Reverse Harem Romance by Kai Lesy

    Her Royal Treatment: A Military Reverse Harem Romance by Kai Lesy

    Rated: 4.11 of 5 stars
    · 9 ratings
    It’s like being cherished. Worshipped and unbelievably fulfilled, by four of the most beautiful men I'd ever laid eyes on. All at the same time.The King ordered me to lock down.In my country, his word is final - especially for the Princess.I’m both infuriated and screwed!My anger transforms into curiosity when my eyes fall on my protectors.Four ex-military mercenaries. Brothers by war...
  • Rancher Daddies: A Military Reverse Harem Romance by Liz Archer

    Rancher Daddies: A Military Reverse Harem Romance by Liz Archer

    Rated: 4.00 of 5 stars
    · 9 ratings
    When I caught my fiancé cheating on me…With my maid of honor…On our wedding day… I ran away…And now I’m the nanny for three silver fox ranchers.Left with nothing but my wedding dress,I look for a soft place to lay my head.But what I find instead are three tough ranch brothers…With broad shoulders to cry on.And rock-hard bodies to die for.All silver foxes.All rugged ex-Navy SEALs...
  • Fire Daddies by Liz Archer

    Fire Daddies by Liz Archer

    Rated: 4.00 of 5 stars
    · 9 ratings
    Three spicy firemen + One sweet single mom = Santa’s naughty listWhen my bakery goes up in smoke, three sizzling ex-SEALs swoop in to save me, and my two sweet little kids . . .Then when they find out we have nowhere to sleep . . .they welcome us to stay at their penthouse . .
  • Our Bratty Queen by Kameron Claire

    Our Bratty Queen by Kameron Claire

    Rated: 4.13 of 5 stars
    · 8 ratings
    Brat Tamer Times ThreeI’m the bad twin, the loud one, the one dancing on the tables while my critics condemn me. My family rarely knows where I am, much less what kind of trouble I’m starting, which has left me a lonely shell that I fill with my antics.My sister is my polar opposite in every way. Quiet and in the shadows, she has everyone convinced she’s the good twin, but I know better...
  • Saved by the Marines by Cathleen Cole, Frank Jensen

    Saved by the Marines by Cathleen Cole, Frank Jensen

    Rated: 4.14 of 5 stars
    · 7 ratings
    They never should’ve been protecting me. Now, they’re my only hope… As the daughter of a US Senator, my life was never going to be normal. I thought I’d finally escaped out from my father’s shadow, but he dragged me back kicking and screaming...
  • Lavish: A Reverse Harem Miniseries by C.M. Stunich

    Lavish: A Reverse Harem Miniseries by C.M. Stunich

    Rated: 4.17 of 5 stars
    · 6 ratings
    A house of lies and secrets. It's inside those walls that I find myself trapped. I'm more than just the princess to a mafia kingdom—I'm the future queen. Three lovers. One traitor. An endless stream of betrayal. One is like a wolf, the other a coyote, and the last a fox. Three dark bosses of the New York underworld and they're all mine. Although I must remember: they all bite...
  • Five Fathers by Kate Morgan

    Five Fathers by Kate Morgan

    Rated: 4.17 of 5 stars
    · 6 ratings
    Sin or piety. Those are the two things I’m choosing between when I walk up those stone steps and into the church. Heaven or hell. Pain or pleasure. But sometimes, pleasure brings more hurt than pain. I’ve learned my lesson the hard way and that’s why I’m doing this, giving up everything I know and love for a whole new life. A life dedicated to something, someone, other than myself...
  • Double Scrooged by Shae Sullivan

    Double Scrooged by Shae Sullivan

    Rated: 4.17 of 5 stars
    · 6 ratings
    They say everyone has a Scrooge in their life, and I unfortunately have two.Nate and Barron, my arrogant ex-stepbrothers, hate me.Like really hate me.Ever since my dad, their ex-stepdad, cheated on their mom for the fifth time, they’ve wanted nothing to do with me—or him. Not that I can blame them. Daddy has never been the standard father figure...
  • Depraved by Sarah Bailey

    Depraved by Sarah Bailey

    Rated: 4.20 of 5 stars
    · 5 ratings
    Together. Apart. Where does it end?It started with the war. The war we’d wage upon the very man who’d raised me. The war which would either tear us apart or keep us together.We’d finally found our way to each other. The five of us gave in. It’d been inevitable from the start. Desire had forged us, but it was love which set us free. Made us into what we were. A family drenched in blood...
Fantastic book recommendations by romance book lovers for romance book lovers.
Find out more about romance.io.


Get recommendations by genres & tropes

Use the romance book finder to mix and match over 100 content keywords to find the books that match your preferences

romance book finder

Looking for more inspiration? Enter another book title to get more suggestions on what to read next.


Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.