Books like 'Oath of Duty'
Readers who enjoyed Oath of Duty by R.K. Thorne also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
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Miles in Love by Lois McMaster Bujold
Rated: 4.53 of 5 stars · 27 ratingsKomarr—Miles Vorkosigan is sent to Komarr, a planet that could be a garden with a thousand more years of terraforming; or an uninhabitable wasteland, if the terraforming project fails. The solar mirror vital to the project has been shattered by a ship hurtling off course, and Miles has been sent to find out if it was an accident, or sabotage... -
![Miles Errant (Vorkosigan Saga (Publication Order) #5, 5.3 & 8) by Lois McMaster Bujold]()
Miles Errant (Vorkosigan Saga (Publication Order) #5, 5.3 & 8) by Lois McMaster Bujold
Rated: 4.45 of 5 stars · 31 ratingsContains: The Borders of InfinityBrothers in Arms Mirror DanceMiles Naismith--in the person of his two alter-egos Admiral Naismith and Lieutenant Lord Vorkosigan--embarks on a perilous series of adventures, from the liberation of Barrayaran allies from a Cetagandan POW camp to the rescue of clone children scheduled to be murdered for their bodies... -
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![Miles, Mutants, and Microbes (Vorkosigan Saga (Publication Order) #4, 5.2 & 13) by Lois McMaster Bujold]()
Miles, Mutants, and Microbes (Vorkosigan Saga (Publication Order) #4, 5.2 & 13) by Lois McMaster Bujold
Rated: 4.42 of 5 stars · 28 ratingsContent: Falling free Labyrinth Diplomatic immunity Miles Vorkosigan/Naismith : his life and times.Two complete novels and a short novel in one large volume:Falling Free—The Nebula Award-winning novel. Leo Graf was just your typical efficient engineer: mind your own business and do the job... -
![Catalyst by Fletcher DeLancey]()
Catalyst by Fletcher DeLancey
Rated: 4.72 of 5 stars · 14 ratingsAfter disobeying orders and saving the planet of Alsea from invasion, Captain Ekatya Serrado returns home a hero and renegade, alongside Dr. Lhyn Rivers, now the foremost authority on a culture that fascinates and terrifies. They share a secret: they are tyrees, linked by an Alsean empathic bond that should be biologically impossible for two Gaians... -
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![Captain Vorpatril's Alliance by Lois McMaster Bujold]()
Captain Vorpatril's Alliance by Lois McMaster Bujold
Captain Ivan Vorpatril is happy with his relatively uneventful bachelor's life of a staff officer to a Barrayaran admiral. Ivan, cousin to Imperial troubleshooter Miles Vorkosigan, is not far down the hereditary list for the emperorship. Thankfully, new heirs have directed that headache elsewhere, leaving Ivan to enjoy his life on Komarr, far from the Byzantine court politics of his home system...Categorized as:
military m-f science fiction humor futuristic suspense behind-doors marriage of convenience -
![Miles, Mystery & Mayhem (Vorkosigan Saga (Publication Order) #3, 5.2 & 9) by Lois McMaster Bujold]()
Miles, Mystery & Mayhem (Vorkosigan Saga (Publication Order) #3, 5.2 & 9) by Lois McMaster Bujold
Rated: 4.38 of 5 stars · 28 ratingsDiplomat, soldier, spy - Lieutenant Lord Miles Naismith Vorkosigan of the Barrayarayan Empire, a.k.a. Admiral Naismith of the Dendarii Free Mercenaries, is a young man of many parts... -
![Annihilation by Adrienne Lecter]()
Annihilation by Adrienne Lecter
Rated: 4.68 of 5 stars · 12 ratingsThe end is nigh.They have survived the outbreak of the deadliest virus known to mankind. They have made it through the zombie apocalypse. They have triumphed over cannibals, assassins, kidnappers, and have faced their own mortality a million times over. Now all that’s left to do is take out the man responsible for it all... -
![Alsea Rising: Gathering Storm by Fletcher DeLancey]()
Alsea Rising: Gathering Storm by Fletcher DeLancey
Rated: 4.79 of 5 stars · 10 ratingsAN OLD ENEMY. A NEW THREAT.As Alsea’s space elevator nears completion, an unsettling rumor arrives: the Voloth are stirring once more.Lancer Andira Tal has been preparing for this since the Battle of Alsea, determined that her people will never again pay such a price. She will use every weapon at her disposal—including her own bondmate... -
![Alsea Rising: The Seventh Star by Fletcher DeLancey]()
Alsea Rising: The Seventh Star by Fletcher DeLancey
Rated: 4.78 of 5 stars · 10 ratingsThe Voloth have arrived.Their opening gambit upends months of planning. Their second assault leaves Alsea’s defenses scrambling. The third may end it all.While Captain Serrado and her forces desperately fight to prevent a catastrophe, Lancer Tal activates her secret weapon: the divine tyrees, led by Salomen Opah. But Salomen is no warrior, and a changing battle can unravel even the best of plans... -
![The Mountains of Mourning by Lois McMaster Bujold]()
The Mountains of Mourning by Lois McMaster Bujold
Rated: 4.27 of 5 stars · 39 ratings[A Miles Vorkosigan Story] Twenty year old Ensign Miles Vorkosigan plays detective in a murder case, and tests the balance of power as a member of the Barrayaran nobility. [Publisher's Note: The Mountains of Mourning was originally published as a stand-alone novella in the May 1989 issue of Analog... -
![Resilience by Fletcher DeLancey]()
Resilience by Fletcher DeLancey
Rated: 4.74 of 5 stars · 10 ratingsAs the first Alsean to serve aboard a Protectorate warship, Rahel Sayana thought her empathic sense would be an advantage. She never imagined it could be a weakness.Captain Ekatya Serrado has her hands full with a new empathic officer, an attempted murder, and a missing cargo ship. Finding the lost ship only adds to her problems: its crew lies dead amid signs of alien predators... -
![Relativity by G.S. Jennsen]()
Relativity by G.S. Jennsen
Rated: 4.59 of 5 stars · 12 ratings“I’d tell you to be careful, but we wouldn’t be here if you’d ever taken that advice. No reason to start now, right?”For millennia the Anadens have ruled the known universe. They believe they’ve crafted the perfect empire, ordered and impervious to challenge. They believe the fight has been crushed out of the species they subjugate. They are wrong.It’s a suicide mission, without a doubt... -
![Guardian by Anna Hackett]()
Guardian by Anna Hackett
Rated: 4.44 of 5 stars · 16 ratingsRescued from alien slavers, former cop Dayna wakes to discover she’s host to a powerful alien symbiont, and the only man who can help her is the mysterious and dangerous casino owner, Rillian... -
![Storm of Eon by Anna Hackett]()
Storm of Eon by Anna Hackett
When a Terran weapons scientist finds herself the target of deadly alien assassins, only one fierce alien warrior can keep her safe...Categorized as:
military m-f science fiction aliens explicit-open-door tall-heroine length-short audiobook -
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![King of Eon by Anna Hackett]()
King of Eon by Anna Hackett
The King of the Eon Warriors has decided to take a Terran as his bride…but finds himself shockingly attracted to the tough, beautiful Space Corps officer in charge of his potential brides’ security.King Gayel Solann-Eon is dedicated to his people and empire. His father was a hard man and a rigid king, but Gayel is doing things his own way...Categorized as:
military m-f science fiction aliens explicit-open-door tall-heroine length-short audiobook -
![Field of Dishonor by David Weber]()
Field of Dishonor by David Weber
Rated: 4.21 of 5 stars · 38 ratingsThe People's Republic of Haven's sneak attack on the Kingdom of Manticore has failed. The Peeps are in disarray, their leaders fighting for power in bloody revolution, and the Royal Manticoran Navy stands victorious. But Manticore has domestic problems of its own, and success can be more treacherous than defeat for Honor Harrington... -
![Bedlam: Book One of the Prison Ship Sheol Saga by Nicholas Gaumer]()
Bedlam: Book One of the Prison Ship Sheol Saga by Nicholas Gaumer
Rated: 4.49 of 5 stars · 13 ratingsThe Bedlam Galaxy lies at the heart of the Laniakea Supercluster and is a focal point for all of the wormhole transits spanning that great expanse. Among the many races drawn to and inhabiting its 10,000+ stars, humanity is one of the most recent and longest anticipated additions... -
![Transcendence by G.S. Jennsen]()
Transcendence by G.S. Jennsen
Rated: 4.29 of 5 stars · 24 ratingsWhat does it mean to be human? What if the price of saving humanity is giving up your own? The year is 2322, and we stand upon the precipice of extinction. The invading Metigen armada has decimated the eastern third of settled space in a matter of days, leaving tens of millions dead... -
![Galactic Gladiators Set: Books 4-6 by Anna Hackett]()
Galactic Gladiators Set: Books 4-6 by Anna Hackett
Rated: 4.75 of 5 stars · 8 ratingsFighting for love, honor, and freedom on the galaxy’s lawless outer rim…When several women from Earth find themselves abducted from a space station by alien slavers, life becomes a battle for survival on a dangerous desert planet... -
![Galactic Gladiators Set: Books 7-9 by Anna Hackett]()
Galactic Gladiators Set: Books 7-9 by Anna Hackett
Rated: 4.75 of 5 stars · 8 ratingsFighting for love, honor, and freedom on the galaxy’s lawless outer rim…When several women from Earth find themselves abducted from a space station by alien slavers, life becomes a battle for survival on a dangerous desert planet.Includes:Beast: Rescued by gladiators on the alien world of Carthago, starship pilot Mia is working to find other abducted humans who are still lost... -
![The Arcav Captain's Queen by Hope Hart]()
The Arcav Captain's Queen by Hope Hart
She wants her planet back... ... But all he wants is her. Forced to become a monster to survive her father’s cruelties, Saria wants only one thing: To convince the Arcav King to help her lead her people out of the darkness and into the light. She has no intention of mating anyone. Least of all Roax- the bossy bodyguard who the Arcav King ordered to be her shadow...Categorized as:
military m-f science fiction futuristic aliens non-human-hero creative-anatomy explicit-plentiful -
![Survivors by Anna Hackett]()
Survivors by Anna Hackett
Rated: 4.46 of 5 stars · 11 ratingsIn the aftermath of a deadly alien invasion, a band of survivors fights on…Survivors contains three action-packed novellas in the Hell Squad series.Includes:Nate – Long before the aliens invaded, former Marine Nate Caldwell came home a broken man. Going off-grid in a cabin he inherited in Australia’s Blue Mountains, he survived the invasion with only his dog Blue for company... -
![Alien AI's Marine by Mina Carter]()
Alien AI's Marine by Mina Carter
He's the lone human male in a sea of lethal alien warriors. He's either gifted or suicidal...Kidnapped by aliens, rescued, and now on a secret base in a system he can't even pronounce, Major Jay Stephens has given up on a wing and a prayer... he's now on kicking butt and taking names. Especially when it comes to the alien AI who's risked everything, even her 'life' to protect him.The only problem...Categorized as:
military m-f science fiction aliens futuristic non-human-heroine open-door length-short -
![Dark Strength by Cynthia Sax, Amanda Kelsey]()
Dark Strength by Cynthia Sax, Amanda Kelsey
Rated: 4.56 of 5 stars · 9 ratingsThe Bigger They Are, The Harder They Fall. Balvan, the Refuge’s Gatekeeper, is huge, green, and has a reputation for crushing skulls. He’s a modified humanoid, genetically designed to be the ultimate warrior. One of a kind and considered monstrous by many, he never expects to find his mate, the one female meant for him... -
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![Soul of Eon by Anna Hackett]()
Soul of Eon by Anna Hackett
The last thing she expects is an instant mating with a handsome alien warrior…just before they are abducted by the deadly Kantos.Commander Kaira Chand of the Australian Air Force knows the meaning of loss. She lost both her beloved husband and her father over recent years, and she vows never to let a man close again...Categorized as:
military m-f science fiction aliens explicit-open-door non-human-hero length-short audiobook -
![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... -
![Lyel by Ava Ross]()
Lyel by Ava Ross
Rated: 4.42 of 5 stars · 12 ratingsAn alien warrior seeking redemption meets a captured Earth woman being treated as a pet. Will their love survive in a hostile world? Kidnapped by four-armed, blue skinned aliens, Isabelle “Isi” is sold to the head of the Al’kieern kidnapping operation. Isi has accepted she’ll live and die as a songbird pet to the queen. If nothing else, performing for the Al’kieern beats being sold as a breeder... -
![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...Categorized as:
military m-f science fiction futuristic aliens non-human-hero length-short audiobook -
![Dom by Anna Hackett]()
Dom by Anna Hackett
Rated: 4.36 of 5 stars · 13 ratingsAs the battle against the invading aliens intensifies, a group of bad boy bikers and mercenaries will stand and fight for humanity’s survival… Squad Three berserker Dom Santora has an ugly past he can’t forget. Born and raised in the darkness, he spent his life before the alien invasion as a Mafia enforcer... -
![Seduce by Tana Stone]()
Seduce by Tana Stone
Rated: 4.35 of 5 stars · 13 ratingsI thought being kidnapped by vile, alien slavers was bad enough. Then I woke up on a lust moon.I know all about the Xulonian recreation moons, but I’d hoped to end up on the hunting one. As a security officer for the empire, I know how to fight. I am not prepared to wake up practically naked on a strange island...Categorized as:
military m-f aliens science fiction suspense strong heroine vengeance marriage of convenience -
![Subdue by Tana Stone]()
Subdue by Tana Stone
Rated: 4.40 of 5 stars · 11 ratingsAs the kalesh of the Taori ship, it's his sworn duty to reassemble his crew and exact revenge on the aliens who destroyed their ship. He has no time for a distraction like her.When Kalesh Naz wakes from crashing in his escape pod, he's enraged to find himself locked in a dungeon... -
![Dissonance by G.S. Jennsen]()
Dissonance by G.S. Jennsen
Rated: 4.37 of 5 stars · 12 ratingsKnow this: you need not be afraid. They own the fear. They fear us because they believe we are powerful, and they are correct to do so. The technology behind Project Noetica is on the loose. Prevos—individuals and AIs sharing a single body—are spreading across the galaxy... -
![Weapons Master by Anna Hackett]()
Weapons Master by Anna Hackett
Rated: 4.26 of 5 stars · 17 ratingsA grumpy cyborg weapons master collides with a feisty mechanic from Earth who turns his ordered existence upside down.Abducted from her exploration ship and enslaved on a desert world, mechanic Bellamy Walsh has fought for her survival. She’s had to fight for everything in her life, and she doesn’t ever expect things to be easy... -
![Galactic Gladiators Set: Books 10-12 by Anna Hackett]()
Galactic Gladiators Set: Books 10-12 by Anna Hackett
Rated: 4.67 of 5 stars · 6 ratingsFighting for love, honor, and freedom on the galaxy’s lawless outer rim…When several women from Earth find themselves abducted from a space station by alien slavers, life becomes a battle for survival on a dangerous desert planet... -
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![Mayhem's King by Lindsay Cross]()
Mayhem's King by Lindsay Cross
Rated: 4.50 of 5 stars · 8 ratingsThey call him the quiet one. But they don’t know him. They only know him as the King of mayhem. The elite of the elite. The man his team relied on to save the unsaveable. Kingston Kenrich could save anyone…except those who he’d loved most. King thought he’d survived the worst, until his own teammate’s betrayal left him blind in one eye. Before, he lived for pain, now he lives for revenge... -
![Of A Darker Void by G.S. Jennsen]()
Of A Darker Void by G.S. Jennsen
Rated: 4.50 of 5 stars · 8 ratingsWhen man and machine are one and the same, death is no longer an inevitability. But in the darkest reaches of space, neither is life.Diplomat. Rebel. Fugitive.Nika Tescarav has lived many lives, though she no longer remembers most of them... -
![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... -
![Rogue by Anna Hackett]()
Rogue by Anna Hackett
Rated: 4.24 of 5 stars · 16 ratingsAbducted by alien slavers and taken to a lawless desert world, the last thing she expects is to be claimed by a handsome alien rogue. Rogue contains two action-packed novellas in the Galactic Gladiators series. Information Rogue: arrogant information merchant Zhim doesn’t know what hits him when he collides with feisty human hacker Ryan... -
![Kiss of Eon by Anna Hackett]()
Kiss of Eon by Anna Hackett
When the vital alliance between Earth and the Eon Empire depends on her playing war games with an arrogant, infuriating Eon warrior, what could go wrong? Terran Captain Allie Borden has her orders. Take her ship, the Divergent, and strengthen the alliance with the Eon by carrying out training exercises with the Eon warship, the Desteron...Categorized as:
military m-f aliens science fiction from hate to love strong heroine tall-heroine length-short -
![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... -
![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... -
![Manu by Anna Hackett]()
Manu by Anna Hackett
Rated: 4.28 of 5 stars · 11 ratingsAs the battle against the invading aliens intensifies, a group of bad boy bikers and mercenaries will stand and fight for humanity’s survival… When former berserker Manu Rahia lost his leg on a mission, he was forced to leave his squad... -
![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:
military m-f aliens science fiction futuristic independent heroine length-short audiobook -
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![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:
military m-f aliens dystopian science fiction futuristic independent heroine length-short -
![Girl From Above: Trust by Pippa DaCosta]()
Girl From Above: Trust by Pippa DaCosta
Rated: 4.38 of 5 stars · 8 ratings“I didn’t sign up to die a hero.” ~ Caleb. Chen Hung closes in. The nine systems hang perilously close to a second fatal Blackout. Billions of lives are at stake. Does Captain Caleb Shepperd have what it takes to save the nine systems, or just himself? Caleb never wanted to be a hero. That was his brother’s dream. Keep it simple, get away clean... -
![Trailblazer by Michelle Diener]()
Trailblazer by Michelle Diener
Rated: 4.43 of 5 stars · 7 ratingsHe's on a mission . . . She's running for her life . . . And if they get off-planet alive, she'll have to trust he won't reveal her darkest secret. Tally Riva is not what she seems, and even she's not happy about it. Infected, invaded, she's not quite sure how to describe it, but on a disastrous mission to a ghost ship, something burrowed its way into her body. Into her mind... -
![Invasion by Snek Guy]()
Invasion by Snek Guy
Set in the Pinwheel universe, where an alliance of friendly species fights a never-ending war against the merciless insect hordes, the mission to retake a lost colony is underway.The largest Coalition fleet ever assembled descends on the moon of Kerguela , where a peaceful civilization met its end at the hands of a marauding hive fleet three decades prior... -
![Seeking Vector by Cynthia Sax]()
Seeking Vector by Cynthia Sax
Rated: 4.60 of 5 stars · 5 ratingsA cyborg with a secret… A female seeking the truth… Vector, the C Model captain of the Freedom, is a cyborg many warriors wish to emulate. He fights fiercely, leads with honor, has earned the respect and loyalty of his crew. But no being, not even a cyborg, is perfect. Since arriving at the Homeland, Vector has been hiding a dark truth about his past...Categorized as:
military m-f futuristic science fiction tall-heroine length-short black-mc competent heroine -
![Knightmaster by Anna Hackett]()
Knightmaster by Anna Hackett
She was sent to forge an alliance with the deadly Oronis knights…and instead finds herself framed for abducting their queen.Xenoanthropologist Kennedy Black loves exploring new cultures with Space Corps. Everyone in her life has left her, so she happily fills the void with exciting adventures...Categorized as:
military m-f forced proximity aliens science fiction futuristic alpha male length-short
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