Books like 'Enigma: What Lies Beneath'
Readers who enjoyed Enigma: What Lies Beneath by Ditter Kellen also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
futuristic science fiction dystopian christian alpha male aliens
-
Revolution by Shelly Crane
Rated: 4.40 of 5 stars · 20 ratingsIn the fourth and final installment, everything is on the line. Merrick's life is in the balance and Lily is their only hope. Ellie and her new powers are miraculous, but also problematic; if she's with the bunker family, they won't be able to sense when the Lighters are there... -
Stronghold: A Darkstar Mercenaries Novella by Anna Carven
Rated: 4.49 of 5 stars · 15 ratingsAbbey's thrown in the deep end.Tarak creates an alliance with a furry being.Ami has her father wrapped around her tiny little finger.It's just another day in the life of our fearsome Kordolians and their human mates. A light-hearted peek into Tarak and Abbey's life on Earth.Sanctuary is a 22000 word "slice-of-life" novella set in the Dark Planet Warriors/Darkstar Mercenaries universe... -
Alien Chief by Honey Phillips
Can a fake relationship between a spirited woman and a fierce alien warrior turn into something more?After a lifetime in the spotlight, Lillie hoped that leaving Earth would provide a fresh start for her and her twin sister. But while her sister is thriving, Lillie finds herself struggling to adjust to her new life... -
Unrest by Wendy Higgins
Rated: 4.37 of 5 stars · 15 ratingsNew York Times bestselling author Wendy Higgins brings you the second book in this thrilling apocalyptic world... Being on the run in the desert means food and sanctuary are hard to come by, but Amber Tate and her crew are not about to give up. Not after having the things they love brutally ripped from them by an unknown enemy who sent their world into the apocalypse... -
-
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... -
Hunted by Lisa Harris
Rated: 4.43 of 5 stars · 11 ratingsHe promised to protect her.But what happens when the hunter becomes the prey?Welcome to Shadow Ridge, where LONGMIRE meets JERICHO.From USA Today Best-selling author Lisa Harris comes an epic series where the survival of Shadow Ridge depends on learning how to fight crime all over again...Categorized as:
dystopian christian contemporary suspense new adult science fiction futuristic length-short -
Reclamation by Erica Stevens
Rated: 4.37 of 5 stars · 11 ratingsThe highly anticipated conclusion to the bestselling Ravening Series. The first book in this series, Ravenous, is free. Hunted by alien enemies and desperate to survive the invasion, Bethany and Cade are forced into situations they never imagined were possible... -
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... -
Shattered by Lisa Harris
Rated: 4.50 of 5 stars · 8 ratingsWelcome to Shadow Ridge, where LONGMIRE meets JERICHO.From USA Today Best-selling author Lisa Harris comes an epic new series where the survival of Shadow Ridge depends on learning how to fight crime all over again.In the prequel to the series, The Last Day, Chase said good-bye to Hope and left Shadow Ridge for an overnight prisoner transport to San Angelo. . .the day before the grid went down... -
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... -
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... -
Taken Over by Erica Stevens
Rated: 4.24 of 5 stars · 15 ratingsDevastated by the loss of Cade, struggling to survive in a world she no longer knows, Bethany is determined to exact revenge upon the aliens that have shredded her life, and the lives of her family and friends. Presented with an opportunity to uncover the secret that Dr. Bishop feels her blood holds, and why she is different than the rest of the survivors, Bethany strikes out on a mission... -
Salvage Rights by Kelly Lucille
Rated: 4.31 of 5 stars · 11 ratingsA Distant Worlds Story Found on an abandoned salvage with no memory of who she is or how she ended up there, she becomes the salvage claim that powerful men will kill for. A truthsayer and a genetically tampered with Bruha, she has one chance to escape sexual slavery to a tyrant. ...His Brother. Lucan Warrung rules his pirate moon with an iron fist... -
Rendan by Erin Tate, Celia Kyle
Rated: 4.15 of 5 stars · 21 ratingsViolence is never the answer… unless you’re a Preor warrior. Rendan sen Tarkan, Offense Master to the Preor Third Fleet, has found his human mate. She is small compared to him, but her curves, delicious scent, and sky blue eyes call out to his soul. He has waited for a female for over two centuries and he will fight—kill—any who dare attempt to take her. Even one of his own males... -
-
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... -
Arena by Karen Hancock
Rated: 4.13 of 5 stars · 23 ratingsA Repackaged Award Winner From Karen HancockCallie Hayes is living a life of fear and disillusionment when she volunteers for a psychology experiment that promises to turn her life around. As her orientation proceeds, Callie becomes frightened by the secrecy and evasion she encounters... -
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... -
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 science fiction futuristic independent heroine m-f length-short -
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... -
Deception by Lisa Harris
Rated: 4.38 of 5 stars · 8 ratingsIt’s been over a year since Sam McQuaid has been back home to Shadow Ridge, and this time, he’s returning with a bounty on his head.Welcome to Shadow Ridge, where LONGMIRE meets JERICHO.From USA Today Best-selling author Lisa Harris comes an epic new series where the survival of Shadow Ridge depends on learning how to fight crime all over again... -
Torrvok by Alana Khan
Rated: 4.60 of 5 stars · 5 ratingsTorrvok, a cunning and skilled warrior, protects Sierra from enemies who hunt them without mercy. But can he keep her safe from the raging beast writhing under his skin?SierraHe rescued me—twice—then protected me on a dangerous chase across a continent.Despite his warnings not to trust him, when we’re together I’m only aware of the pounding desire his presence ignites... -
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 dystopian futuristic military science fiction independent heroine m-f length-novella -
The Rogue Prince by Michelle M. Pillow
Rated: 4.15 of 5 stars · 17 ratingsThe Charmer... Prince Reid, Commander of the Outpost, is happy to live by his father's ways. No woman is safe when he sets his sights to charm her. Reid doesn't want love, he wants a good time. When the opportunity arises to get away on an ambassador's mission, he jumps at the chance--especially when that trip includes exotic destinations with even more exotic women...Categorized as:
alpha male aliens contemporary shapeshifters futuristic science fiction m-f length-short -
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... -
-
Doctor Galaxy by Jenny Schwartz
Rated: 4.09 of 5 stars · 22 ratingsNew ER doctor Alexi Sur always intended to join an aid agency. She'd just expected to work among humans. But when the Pax Galactica Corps becomes her only option (don't ask - the debts aren't hers, but the family is. Much to her regret), Alexi finds herself traveling the galaxy and learning alien physiology and culture, all while becoming a reality TV star... -
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 aliens science fiction military futuristic new adult suspense length-medium -
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 alpha male military science fiction futuristic fated-mates political-intrigue length-epic -
Shaw by Anna Hackett
Rated: 4.14 of 5 stars · 14 ratingsIn the aftermath of a deadly alien invasion, a band of survivors fights on… Hell Squad sniper Shaw Baird is a man on a mission. His squad is his family and now the invading aliens have done the unforgivable…taken one of his team. Claudia Frost—soldier, friend, and all-round badass—is running on borrowed time...Categorized as:
aliens dystopian futuristic military science fiction warrior-heroine m-f length-short -
Supra Velum by Etta Pierce, Alana Khan
Misty, spooky love and trouble;Tails, horns, and frightful cuddles.We spin our threads, we authors many,Of horror, sweets, ghosts, and frenzy,So you may sup on alien peen,To quench your thirst this Halloween.Wander beyond the veil into a spooky season of scifi romance tales written by some of the genre's most influential authors and rising stars...Categorized as:
aliens dystopian futuristic science fiction grumpy sunshine explicit-plentiful length-epic -
Ash by Anna Hackett
Rated: 4.22 of 5 stars · 9 ratingsIn the middle of an alien invasion, will the bad boy berserker catch the geeky tech genius? Computer genius Marin Mitchell is doing her part to help humanity survive the raptor invasion, working tirelessly to decrypt alien data. She spends her days working and drooling over a certain tattooed, biker berserker from Squad Three. But Marin knows the rules: geeks do not snag sexy bad boys... -
Warrior's Reign: A Sci Fi Alien Romance by Emma Alisyn, Sora Stargazer
Rated: 4.40 of 5 stars · 5 ratingsRedemption. Assassination. A bond forged under fire. Reign is given a second chance to save her career when a royal friend offers her a job on an elite team of personal guards. Determined to prove her worth, she fends off sneaky sabotage by the implacable head of security, Vykhan, who thinks she is dangerous and hot-headed...Categorized as:
aliens dystopian multicultural science fiction futuristic mystery suspense length-long -
Provoking Odium by Cynthia Sax, Amanda Kelsey
Rated: 4.40 of 5 stars · 5 ratingsA Beautiful CyborgWhile accompanying his leader on a mission, Odium, an E Model cyborg, hears a distress call over the communication lines. The voice on that message makes his circuits surge with energy and all his systems light up. He has to respond to the mysterious female, would risk his lifespan and the lifespans of everyone on board their ship to protect her...Categorized as:
alpha male aliens science fiction military futuristic suspense insta-love length-short -
The Dark Prince by Michelle M. Pillow
Rated: 4.07 of 5 stars · 21 ratingsOut of the fire… Intergalactic thief, Olena Leyton is one of the best space pirates in history. Sailing the high skies in search of adventure is in her blood. When her crew is scattered in a run from the law and her ship crashes, exploding into a ball of flames, the injured Olena is forced to find sanctuary on a Galaxy Brides ship...Categorized as:
alpha male aliens science fiction pirates shapeshifters futuristic m-f length-medium -
Cruz: Scifi Alien Invasion Romance by Anna Hackett
Rated: 4.07 of 5 stars · 18 ratingsBattle-hardened soldier Cruz Ramos is running on empty. As second-in-command of the deadliest commando squad fighting the invading aliens, he doesn't know why he’s fighting anymore. He’s seen too much destruction, devastation, and far too much death. Still, every day he goes out to protect those humans left, and every day the growing numbness threatens to take over...Categorized as:
dystopian aliens alpha male military science fiction futuristic independent heroine m-f -
-
Noah by Anna Hackett
Rated: 4.18 of 5 stars · 13 ratingsThe battle of survival against the invading aliens heats up…but Hell Squad never quits. Tech genius Noah Kim works day and night to keep the survivors at Blue Mountain Base with lights, power and hot water. He’s also working on a top secret project to help keep them safe. He’s tired, stressed and under pressure—and one woman adds to it all...Categorized as:
dystopian aliens futuristic military science fiction independent heroine cold heroine m-f -
The Degan Paradox by Rob Colton
Rated: 4.08 of 5 stars · 11 ratingsThe adventure continues in this action-packed follow up to The Degan Incident and The Cassini Mission! Peri McSmith is aboard the U.S.C. Cassini, en route to the Degan Homeworld. A routine medical examination reveals a startling yet impossible link between Peri and the Cassini’s last mission... -
The Krinar Experiment by Charmaine Pauls
Rated: 4.11 of 5 stars · 9 ratingsWhen Drako’s space pod malfunctions over Johannesburg, his secret reconnaissance mission goes horribly wrong. Wounded in the crash, he’s captured by the South African Secret Service who sees an opportunity to strengthen their army and make a fortune by using the alien pilot in an unorthodox experiment... -
Sarazen's Betrayal by Isabel Wroth
Rated: 4.13 of 5 stars · 8 ratingsCassie had come to Saraz with the promise of a new life, a new home, and a mate who would cherish and adore her always. The first two promises have been fulfilled, but as the new pride leaders settle into their rule, the threat to the lives of the human hybrid mates escalates. As the pressure to solve the mystery increases, Cassie's mate does less adoring and less cherishing... -
Saved by Mara Frost
Rated: 4.05 of 5 stars · 13 ratingsThey say that no one can hear you scream in space, but that’s a big lie because I know for a fact that plenty of aliens have heard me… So, who’s sick of aliens and has two thumbs? This girl right here. I’m now on the run with the jerk who abducted me and we’ve got nowhere to go... -
Crystal Soldier by Sharon Lee, Steve Miller
Centuries in the past, mankind fought a seemingly unbeatable adversary from sector to sector across the Spiral Arm until the war ground to a standstill and the Enemy withdrew. Believing that they had won, the citizens of the galaxy rebuilt... -
Alien Abduction Bundle by Eve Langlais
Rated: 4.03 of 5 stars · 13 ratingsWarning: This novel contains previously released stories Accidental Abduction, Intentional Abduction and Dual Abduction. These three stories of alien abduction and seduction have been bundled into a handy anthology for your reading pleasure... -
Reed by Anna Hackett
Rated: 4.01 of 5 stars · 14 ratingsFor a limited time, you can get the latest Phoenix Adventures novella, On a Cyborg Planet, free. Visit here to find out more > bit.ly/annahackettbooks (paste into your browser) As part of Hell Squad, former Coalition Navy SEAL Reed MacKinnon fights for humanity’s freedom from the alien invaders. He also fights for his brown-eyed girl—the woman he rescued from the aliens’ secret laboratory... -
Vrix by Juno Wells, Layla Nash
Rated: 4.00 of 5 stars · 15 ratingsCecily Griggs doesn't know what she'll do on the alien ship after she and her friends were sold by their old captain. When an old friend sends a distress signal from a planet of slave-traders, Griggs knows what has to happen -- she'll get Heidi back, or die trying. She's ready for a solo mission when the watchful, smoking hot Vrix insists on going with her... -
Bad Moon Rising by Autumn Dawn
Rated: 4.00 of 5 stars · 9 ratingsEvery man has a little beast inside ... every woman longs to tame him. Where will you be when the beast roars for you? Bad Moon Rising: Dey has a taste for ancient treasure--Keg is the one assigned to guard it. Ancient ziggurats protected by forgotten technology are no match for Dey, but Keg is one challenge she can't dismiss... -
-
Sent Beast Mate by Milana Jacks
Rated: 4.00 of 5 stars · 9 ratingsIs she a pretty spy, or a seductive assassin who’ll murder him in his bed? With nothing to show for his efforts to find Men of Earth—which will win him New City for his people—Mayhem switches tactics. He holds pair auctions, confident the enemy will jump at the chance to slip a spy in among the throng of hopefuls. It’s a sound strategy, but he’s bored as hell... -
Dark Waltz by A.M. Hargrove
Rated: 4.00 of 5 stars · 8 ratingsAttention: This is an ADULT Book! Dark Waltz--A sizzling legend of loss, lust and love. It’s the year 2030 and the human population has been annihilated by a virulent form of small pox. Liasare Davidson is desperately searching for her brother, who has been missing for three months... -
Call of Courage: 7 Novels of the Galactic Frontier by C. Gockel, Allen Kuzara
Rated: 4.00 of 5 stars · 8 ratingsSome are called by duty. Some are called by adventure. All answer the call of courage.Jump into seven full-length novels exploring the limits of space, science, and courage. Aliens, artificial intelligence, rogue governments, and galactic frontiers--you’ll find them all here.Heed the call. Download this collection of series starters today!Archangel Down by C... -
Tara's Big O by Stephanie West
Rated: 4.00 of 5 stars · 7 ratingsOphidian rescued Tara from the catastrophe on Earth, except her alien savior was downright terrifying. The Anguis general was massive, had venomous fangs, razor-sharp spines on his arms and followed her like a predator lurking in the shadows. But O quickly grew on her with his kind gestures and sexy swagger...Categorized as:
alpha male aliens strong heroine new adult futuristic science fiction military length-long -
Alien General's Chosen by Vi Voxley
Rated: 3.97 of 5 stars · 10 ratingsThis general doesn't play fair... This is a 70 k full scifi romance novel featuring a BBW human heroine and a growly alpha male Brion warrior general. It can and should be read as a standalone and has a guaranteed HEA ending! Grab it now for 99 Cents for a limited time! Leiya has a secret. Trouble is, even she doesn't know it... -
Wrax by Thanika Hearth, Starr Huntress
Rated: 4.00 of 5 stars · 6 ratings"She is mine ; I shouldn’t have to contain myself." Honor is everything to me. Wrax is undefeated in the Firosan arena; the king of deathmatches on his home planet. When he comes up against a man with everything to lose, he knows his winning streak will soon come to an end...
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

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