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Twelve Days of Vengeance

Twelve days. Twelve gifts. Twelve warnings wrapped in blood and snow.
They dumped me half-naked on a frozen road—
a gold bullet around my neck,
engraved with the night I failed to save a man’s life.

And the man who killed him… just took me home.

Dane Barrett.
Ex-mafia assassin. Scarred. Silent. Lethal.
He says I’m bait. I say he’s a monster.
But every time he touches me, I forget which one of us is more dangerous.

He keeps me locked away in a cabin of secrets,
watching the woods like they whisper my name.
But when the first gift arrives—
a bloodstained echo of his past sins—
I realize we’re both being hunted.

He swears he’ll protect me.
I swear I’ll never break.
But in his arms, vengeance turns to fire,
and the line between hate and hunger burns away.

Twelve days to survive.
Twelve nights to fall for the man I should hate.

Author’s A dark, snow-drenched Christmas mafia romance about vengeance, redemption, and the kind of love that bleeds before it heals.
No Cliffhanger! HEA Guaranteed!

300 pages, Paperback

Published November 22, 2025

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About the author

Ariana Cooper

53 books53 followers

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5 stars
89 (58%)
4 stars
40 (26%)
3 stars
20 (13%)
2 stars
3 (1%)
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0 (0%)
Displaying 1 - 17 of 17 reviews
Profile Image for Neapolitan670 📚🖤.
973 reviews62 followers
December 26, 2025
Set around Christmas time in a small town in the middle of 🤷🏻‍♀️🤣

Sloane is drugged and dumped in a small town with no recollection of how she got there. Fortunately, she is rescued by Dane an ex-mafia a$$a$$in who has lived 5 years in a secluded cabin outside of the town. He takes her there, to await for the drugs to wear off, at this point it becomes apparent she was left as one part of a puzzle from his past life, and not just her as more packages turn up with reminders of his past, memories start to make sense of the why. He soon realises a war is coming and with the feelings toward Sloane becoming prevalent does he take the war to them or run and protect her?

🚩 𝑀𝑒𝑒𝓉𝒾𝓃𝑔 𝒟𝒶𝓃𝑒 𝓉𝒽𝑒 𝓌𝒶𝓎 𝐼 𝒹𝒾𝒹 𝒾𝓈 𝓉𝒽𝑒 𝒷𝒾𝑔𝑔𝑒𝓈𝓉 𝓇𝑒𝒹 𝒻𝓁𝒶𝑔 𝐼'𝓋𝑒 𝑒𝓋𝑒𝓇 𝓌𝒾𝓉𝓃𝑒𝓈𝓈𝑒𝒹 𝒾𝓃 𝓂𝓎 𝓁𝒾𝒻𝑒, 𝒶𝓃𝒹 𝒾𝓃𝓈𝓉𝑒𝒶𝒹 𝑜𝒻 𝓇𝓊𝓃𝓃𝒾𝓃𝑔 𝒶𝓌𝒶𝓎 𝒻𝓇𝑜𝓂 𝒽𝒾𝓂, 𝐼 𝓅𝒾𝒸𝓀𝑒𝒹 𝒾𝓉 𝓊𝓅 𝒶𝓃𝒹 𝓈𝓉𝒶𝓇𝓉𝑒𝒹 𝓌𝒶𝓋𝒾𝓃𝑔 𝒾𝓉 𝒶𝓇𝑜𝓊𝓃𝒹.🚩

An enjoyable read, some parts were a bit slow paced for me before it would pick up and set off at a race. It’s an age gap romance with spicy times, angst, vi0lence and m^rder, amongst other attributes. I did like the segment where Sloane takes over with survival skills 🤭
945 reviews
May 24, 2026
Dane and Sloane's Story

This is a very dark Christmas story. It is the story of a retired hitman for the mob and a nurse who was unfairly accused of mistreating the hit victim when he arrived at Mt Sinai hospital in NYC where she works.
Dane has regrets about some of his hits, especially the final one as it was his best friend who was disloyal to his mob family and betrayed them.
Sloane, the nurse, is obnoxious and rude to Dane who offers to shelter and protect her. She is completely unlikeable for the first 100 pages.
The story is exciting but not really a Christmas story although there is a happy ending
9,717 reviews68 followers
November 30, 2025
Sloane didn't think she would survive the car ride let alone being dumped at the sid eof the road in the snow, and to be picked up by the man responsible. Danes a man who doesnt miss even as an ex assassin, but when he brings Sloane back to his cabin he wants to protect her, and when gifts start arriving their pasts collided and now everything hangs in the balance, and temptation never had been so deadly. Well written engaging story well developed characters, steamy desires, dark themes and more.
Profile Image for Merry Jelks-Emmanuel.
15.3k reviews162 followers
December 2, 2025
Dane and Sloane drew me in right from the beginning. He finds her wondering on a mountain road close to hypothermia and takes her home with him but not before he notices a chain around her neck with a bullet that shouldn't exist. This intriguing story is full of surprises and kept me glued to the suspense and budding relationship growing between Dane and Sloane.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
3,268 reviews
January 4, 2026
Dane and Sloane meet in dark and mysterious circumstances, but there is something they need to figure out as packages start to arrive. The sizzle starts to grow between them too, the nurse and the ex-assassin. A steamy read with enemies to lovers, Christmas vibes, newfound friends and a very protective man. Loved it!.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Barbara .
7,858 reviews24 followers
December 3, 2025
HOT Cover ✔️
Fantastic Enemies to Lovers ✔️✔️
Romance and Storyline is a Page Turner ✔️✔️✔️
Must Read this 5/5 Star book by Ariana. Absolutely YES. I couldn’t get enough of Dane and Sloane. That is why I had this book finished quickly. So, STOP reading whatever it is you have and start reading this book now.

Profile Image for L KQ.
6,583 reviews28 followers
December 18, 2025
On the Run

Dane and Sloane are on the run but someone from their past is threatening them. This was a story with complex characters and a heartpounding plot. I liked how rhe town came in to support them. This was a fantastic read.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Donna McEachran.
1,784 reviews36 followers
December 31, 2025
Dane is a retired hitman and Sloane is a nurse. They are connected by an incident in their history...and are dragged into a game of cat and mouse. Smalltown strength meets revenge.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Amber Mariah .
14 reviews
December 26, 2025
I really enjoyed this story so much more than I thought I loved the story line I loved the characters I would definitely recommend ❤️
Profile Image for Nate.
25k reviews19 followers
December 28, 2025
Twelve days of vengeance was Dane and Sloane’s story. It was an intriguing read. I received an early copy via bs. And voluntarily leaving this review.
86 reviews1 follower
February 23, 2026
original story line

In a genre where many novels are much of a muchness, this tale has an original plot with great energy and content. Gove it a try!
Profile Image for GKP2460 .
4,883 reviews78 followers
November 30, 2025
Twelve Days Of Vengeance is Dane Barrett and Sloane Grady's gritty, intense, dramatic story.

"In his arms, vengeance turns to fire, and the line between hate and hunger burns away."

When you find a woman unexpectedly on the side of the road, what do you do? Dane took her home with him and this unexpected find ends up being the best thing for both of them. This story is full of chaos, twists, turns and intrigue and will keep you glued to the pages from beginning to end. These characters are fantastic and fierce in all they deal with to get their hea. This story is all about vengeance, redemption, healing and finding love in the most unexpected way and the most unexpected place.
Profile Image for Johanna.
6,680 reviews121 followers
December 4, 2025
Part of the Twelve Days of Blood & Sin series.
Author’s Note: 'A dark, snow-drenched Christmas mafia romance about vengeance, redemption, and the kind of love that bleeds before it heals.' And a FANrastic story!

The characters were so compelling and complex and complicated and absolutely perfect for each other. Plot was intriguing, exciting and fast paced. World building was excellent and solidly built. An excellent and lncredible read! Thoroughly enjoyed and highly recommend.

Grab a copy, kick back and enjoy!.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Merry Jelks-Emmanuel.
15.3k reviews162 followers
December 2, 2025
Dane and Sloane drew me in right from the beginning. He finds her wondering on a mountain road close to hypothermia and takes her home with him but not before he notices a chain around her neck with a bullet that shouldn't exist. This intriguing story is full of surprises and kept me glued to the suspense and budding relationship growing between Dane and Sloane.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for J.
4,545 reviews22 followers
December 8, 2025
This is a great addition to Cooper's Twelve Days of Blood & Sin series. Our main characters are Dane Barrett and Sloane Grady. Their story is sure to draw you in from the very beginning as Cooper delivers a dark, gritty, intense, and dramatic story. This story is full of chaos, twists, turns and intrigue. Great world building and I loved these characters as they are fierce in their journey to a HEA!

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Barbara .
7,858 reviews24 followers
December 3, 2025
HOT Cover ✔️
Fantastic Enemies to Lovers ✔️✔️
Romance and Storyline is a Page Turner ✔️✔️✔️
Must Read this 5/5 Star book by Ariana. Absolutely YES. I couldn’t get enough of Dane and Sloane. That is why I had this book finished quickly. So, STOP reading whatever it is you have and start reading this book now.

Displaying 1 - 17 of 17 reviews