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  • Desired by the Alien Mercenary

Desired by the Alien MercenaryA Steamy Alien Sci-fi Romance

Monster Mercenary Mates #11 / 11
by Robin O'Connor
Desired by the Alien Mercenary: A Steamy Alien Sci-fi Romance (Monster Mercenary Mates #11) by Robin O'Connor
⧗ 10.00 / 1
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He was born to be feared. I was trained to kill.

L

I don’t remember who I was before I became a weapon. Jalima forged me into the perfect assassin, and failure earns only one punishment: death. Now I’m stranded on a nightmare world, hunted by the very people I once called allies. There’s only one barrier between me and certain doom: Dravion.

The strange alien doctor should terrify me. He’s brilliant, gentle, and wrapped in deadly tentacles everyone else fears. He insists I’m more than my broken mind, and I hate how badly I want to believe him. Especially when he looks at me like I’m worth saving.

If Jalima wants me back, he’ll have to pry me from the hands of the beast who followed me into hell... and from the ridiculous little creature that somehow adopted us both.

Dravion

Everyone fears the monster I am, except her. She argues with me, threatens me, and somehow steals my heart before she even remembers her own name.

I never leave the safety of the Varakartoom. For her, I walk willingly into a death trap. Anyone who touches her dies. Anyone who touches me will learn why the universe fears my kind.

She thinks she’s beyond redemption. I’ll rewrite every piece of her shattered soul, even if it costs me my own.

This is a standalone novel and the eleventh book in the Monster Mercenary Mates series. This sci-fi monster romance features a shunned, deadly tentacled alien doctor, a human assassin with serious memory loss, one sassy alien pet, and a steamy HEA.

Tropes:

  • Alien MMC
  • He Falls First
  • Touch-Her-and-Die Energy
  • Morally Gray Hero
  • Enemies-to-Lovers
  • Cute Alien Pet
  • Tentacles + Hypnotizing
  • Beauty and the Beast
  • Military Sci-Fi Romance
  • Utterly Devoted MMC
  • Deadly Assassin FMC
  • Fated mates
  • Found Family
  • Steamy Romance
  • No Cheating
  • HEAs
Amazon Pre-Order: Check Availability

Science FictionRomanceAlien RomanceMonster RomanceFated MatesHEA EndingAdultShapeshiftersFound FamilyEnemies To Lovers
Release date: December 18, 2026 (Princely Gates Publishing)

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Robin O'Connor

Robin O'Connor is a writer who thrives in the wild, imaginative worlds of sci-fi and monster romance, where the stakes are high, the passion runs deep, and the heroes are as strong as they are undeniably sexy. Known for her steamy stories filled with alien heroes and quirky heroines, Robin crafts tales that combine heart-pounding adventure with sizzling chemistry, all wrapped in a fantastical universe.

Living in a house that’s equal parts cozy and chaotic, Robin shares her space with her husband, their four-year-old son, and a collection of books—hundreds of them, all hers—and computer parts that look straight out of a mad scientist’s workshop. As someone who’s always juggling a half-dozen projects at once, Robin’s home is never dull. Yet, despite her busy life, she always makes time for her readers. Whether it's posting quirky extras, sharing cover reveals, or answering fan questions, she’s active on social media, building a strong connection with her audience.

Read more ...

Robin’s most popular works include Beast Unburdened, the first book in the Gladiators of the Vagabond series, which has captivated readers with its compelling characters and otherworldly thrills. She also pens the Serpents of Serant series, where fans can dive into the sultry world of naga warriors, starting with The Naga Outcast's Unwanted Mate and The Naga Maverick's Determined Mate. Her stories are known for their playful yet passionate tone, blending romance with high stakes and thrilling plot twists.

When she’s not writing, Robin can be found immersed in all things nerdy—from books to tech to podcasts. Always experimenting with new ideas and concepts, she’s constantly pushing herself to create stories that are both entertaining and captivating.

For readers who enjoy romance that’s out of this world, packed with tension, wit, and a healthy dose of heart, Robin O'Connor’s books are a must-read. With each new release, she invites her audience deeper into the vibrant, intense universes she’s created, and there’s always more to discover.

Monster Mercenary Mates

In a world where danger lurks around every corner and power comes with a price, Monster Mercenary Mates introduces readers to a universe where mercenaries aren’t just soldiers—they’re monstrous beings bound by loyalty, honor, and passion. This is a series where forbidden desires collide with fierce battles and dangerous stakes, offering a heady mix of action, romance, and unrelenting suspense.

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Set in a gritty, high-stakes world where mercenaries are both feared and revered, Monster Mercenary Mates immerses readers in a universe where combatants aren’t just human but monstrous, each with their own unique abilities and darker sides. The mercenaries are powerful creatures—shapeshifters, beasts, and warriors—who walk the line between heroism and destruction, their loyalty to each other being their greatest strength and their deepest vulnerability.

The series doesn't shy away from complexity. As these mercenaries face daunting missions and unravel dangerous plots, they also wrestle with their own identities and emotions, making their journeys deeply personal. For every fierce fight, there’s a passionate connection that’s built on trust, raw attraction, and the undeniable bond of being mates. The chemistry between characters is electric, and the romance is far from predictable. Every relationship is as complicated and nuanced as the world they navigate.

What makes Monster Mercenary Mates stand out is its ability to blend intense world-building with multi-dimensional characters. Readers are drawn into a setting where power, betrayal, and survival are ever-present, and yet, amid all the chaos, there is always the hope of finding something real—whether it’s a love that transcends boundaries or the camaraderie forged through battle. The monsters in this world are not just scary—they’re compelling, deeply human in their struggles, and utterly irresistible.

With sharp, engaging writing, Monster Mercenary Mates promises to keep readers on the edge of their seats, eager to see what happens next. Each installment weaves a tale that explores not only the battles fought outside but the ones waged within. It’s a series about survival, loyalty, and the monsters within us all, and once you enter this world, you won’t want to leave.

If you're looking for a series that mixes steamy romance with high-action adventure, Monster Mercenary Mates offers the perfect escape into a world where nothing is what it seems and the only thing stronger than their monstrous nature is the bond they share.


Monster Mercenary Mates consists of ten books and series is set to expand with the upcoming release of one more book. The current recommended reading order for the series is provided below.

Caught by the Alien Mercenary (Monster Mercenary Mates #1)
★ 10.00 / 3
Stolen by the Alien Mercenary (Monster Mercenary Mates #2)
★ 10.00 / 1
Betrothed to the Alien Mercenary: A Steamy Sci-Fi Monster Romance (Monster Mercenary Mates #3)
★ 10.00 / 1
Entangled by the Alien Mercenary: A Steamy Sci-Fi Monster Romance (Monster Mercenary Mates #4)
★ 10.00 / 1
Saved by the Alien Mercenary: A Steamy Sci-fi Monster Romance (Monster Mercenary Mates #5)
★ 10.00 / 1
Chased by the Alien Mercenary (Monster Mercenary Mates #6)
★ 10.00 / 1
Tempted by the Alien Mercenary: A Steamy Alien Sci-fi Romance (Monster Mercenary Mates #7)
★ 10.00 / 1
Claimed by the Alien Mercenary: A Steamy Alien Sci-fi Romance (Monster Mercenary Mates #8)
★ 10.00 / 1
Stalked by the Alien Mercenary (Monster Mercenary Mates #9)
★ 9.00 / 1
Seduced by the Alien Mercenary: A Steamy Alien Sci-fi Romance (Monster Mercenary Mates #10)
⧗ 10.00 / 2
Desired by the Alien Mercenary: A Steamy Alien Sci-fi Romance (Monster Mercenary Mates #11)
⧗ 10.00 / 1


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