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  • Monster Mercenary Mates #8

Monster Mercenary Mates #8

Monster Mercenary Mates #8 / 8
by Robin O'Connor
Monster Mercenary Mates #8 (Monster Mercenary Mates #8) by Robin O'Connor
⧗ 10.00 / 1
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The upcoming Monster Mercenary Mates #8 is the eight book in Monster Mercenary Mates series by Robin O'Connor.

More details about Monster Mercenary Mates #8 will be revealed soon.

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Science FictionRomanceAlien RomanceMonster RomanceAdult
Release date: January 2026 (Princely Gates Publishing)

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Alien Triton's Prize (Starlight Brides)
★ 9.34 / 3
Caught by the Alien Mercenary (Monster Mercenary Mates #1)
★ 10.00 / 1
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★ 8.00 / 1
Catnapped by the Catman: An Alien Abduction Standalone Romance (Interstellar Protections Agency #1)
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★ 8.00 / 1

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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.

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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 six books and series is set to expand with the upcoming release of two more books. The current recommended reading order for the series is provided below.

Caught by the Alien Mercenary (Monster Mercenary Mates #1)
★ 10.00 / 1
Stolen by the Alien Mercenary (Monster Mercenary Mates #2)
★ 9.34 / 3
Betrothed to the Alien Mercenary: A Steamy Sci-Fi Monster Romance (Monster Mercenary Mates #3)
★ 10.00 / 2
Entangled by the Alien Mercenary: A Steamy Sci-Fi Monster Romance (Monster Mercenary Mates #4)
★ 10.00 / 2
Saved by the Alien Mercenary: A Steamy Sci-fi Monster Romance (Monster Mercenary Mates #5)
★ 10.00 / 2
Chased by the Alien Mercenary (Monster Mercenary Mates #6)
★ 10.00 / 2
Tempted by the Alien Mercenary: A Steamy Alien Sci-fi Romance (Monster Mercenary Mates #7)
⧗ 10.00 / 2
Monster Mercenary Mates #8 (Monster Mercenary Mates #8)
⧗ 10.00 / 1


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