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Her Beast of a Duke: A Historical Regency Romance Novel

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“Do you know what happens when you tempt a hungry beast, wife?”

Lady Isabella is damaged goods. Or so the ton believes after her groom jilts her. When a lecherous lord attacks her at a ball, her savior is the last man she the Beast of Rochdale.

Duke Oscar bears more scars than the ton will ever see. Yet he cannot stand by while a lady is disgraced. Caught in scandal, he does the only honorable he marries Isabella.

But the darkness inside him is dangerous. And one reckless kiss from his tempting wife awakens the Beast within… and it burns to devour her.

*If you like a realistic yet steamy depiction of the Regency and Victorian era, then Her Beast of a Duke is the novel for you.

An enchanting regency romance of 80,000 words (around 400 pages), written by Ava MacAdams and published by Cobalt Fairy.

No cheating, no cliffhangers, and a strong happily ever after.

Pick up "Her Beast of a Duke" today to discover Ava's fantastic new story!

480 pages, Kindle Edition

Published October 13, 2025

71 people are currently reading
9 people want to read

About the author

Ava MacAdams

77 books62 followers
Born and raised in rural Louisiana, Ava's rebellious nature would always find her riding her horse through vast farmlands or lying under a tree, getting lost in one of her favourite historical romances. Always itching for adventure, she was only nineteen when she decided to embark on her biggest adventure and travel through Europe.

She studied art and theater in London, where she met several people that filled her with valuable experiences. Taking part in a writing competition upon her professor's encouragement, she realised that this was what she always wanted to do. Married to that same professor a few years later, she decided to return to her roots to settle down and write about her favourite era.

Let yourselves be lured into an intense experience of desire and passion, alongside irresistible Lords and seductive Ladies of the Regency Era. Ava's skilled writing hand will throw you back in time, when tales were told and songs were sung...

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5 stars
76 (58%)
4 stars
32 (24%)
3 stars
16 (12%)
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7 (5%)
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Displaying 1 - 10 of 10 reviews
Profile Image for Lynn.
931 reviews29 followers
January 2, 2026
Another Beast

Oscar, the Duke of something I don’t recall, had a tragic past not only with war, but also with his heartless parents. He saw Isabella being accosted on the balcony at his friend’s ball and came to her rescue. Not only did he face plant the horrible man, but he asked Isabella to marry him.

Isabella had heard awful stories about his grace, but now she knew that his dark reputation had been expounded upon by the gossip loving ton. She agreed to marry his as much for the suggestion of kindness as the heat in his sparkling green eyes.

This is a story that lets you see the discomfort both of the main characters suffered due to selfish parents, and their backstories were carefully and beautifully crafted. This is a typical story of a beauty and a beast, but with enough of a difference to hold your interest. Four stars for this love story. Mild spice.
1,112 reviews7 followers
November 2, 2025
Never good enough!

A real winner of a book, and a real look at just how much your words can impact the future of your children! Oscar has been told since childhood that he wasn’t qualified to be the Duke, and only got worse when he returned from war scarred! And he helps Isabella when she is attacked, only for them to wed. As Isabella is not much better, her scars are internal as her mother has groomed her to be the “diamond” of the season, and was never heard! The internal struggle between both makes for a very good story!
714 reviews
October 23, 2025
No Groom/But A Duke to Save Her..

Lady Isabella is disgraced at the church- but must retain herself in society, only no one chooses to dance with her except the Duke who came to her rescue. In marriage she
Falls for him, The ”Beast”! And then he believes the worst. But after a time he searches for the disgracer & really finds out the truth about him.
And hopefully Isabella will be in his arms forever.
342 reviews1 follower
October 18, 2025
Hot and steamy

Isabella is the second daughter to disappoint her parents my having to marry due to a scandal yet with Oscar she finds love and happiness that their choice would not have given her in this wonderful story we meet the four sisters again
156 reviews
October 18, 2025
Her beast of a Duke

Loved Oscar and Isabella in this story,although Isabella could be annoying at times. Why do people just accept what parents tell them? I raised 3 children and taught them all to be independent thinkers.
497 reviews2 followers
October 22, 2025
This was a great book! It had a great plot with excellent characters. The aggressiveness of the main character was surprising but fit the story. It had too much graphic content for me though. Still it was a great story.
639 reviews3 followers
November 1, 2025
A story where two people who marry with deep problems caused basically from their parents inability to love or care for them. Oscar and Isabella have their own problems to deal with before they can ever begin to see what a marriage of love do to heal scars those seen and especially those unseen.
Profile Image for Gerri  Johnson.
542 reviews3 followers
December 22, 2025
I really enjoyed this book! I liked the two main characters Oscar and Juliet. There was too much explicit sex written but that didn't stop me from enjoying the story. When Oscar told her to leave it broke my heart. She was so heartbroken I could have cried.
541 reviews1 follower
October 31, 2025
Intriguing

Loved this story. The characters are great and the scenes are perfect that show the emotions of actions. A must read!
46 reviews
November 29, 2025
Strewth this should have been and could have been a lot shorter. Okay story but far to looooong
Displaying 1 - 10 of 10 reviews

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