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The Demon's Beauty

Not yet published
Expected 27 Jan 26
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Isabelle would do anything for her sister—and she proved it. She will never regret seeking justice, even when fleeing her inevitable fate means accepting an unbreakable contract with Grym Hollow’s Guardian and becoming betrothed to the beastly Demon King in a loveless marriage.

Because that’s all it will ever be. She’ll make sure of it.

Oziel has seen three kings before him fall and then rise against their enemies with their wives—but he won’t succumb to their end mistakes. Pride is a demon’s specialty, though he knows when to pick his battles, and all his little human bride needs to do is break the terrible curse turning his subjects to stone.

But love is worse than any curse, with no place amongst depravity and sin, and the spitfire who waltzes right into his kingdom is making him feel something dangerous.

Not for long, though. The rules are set, guaranteeing their freedom once they’re safe. But with the magic dwindling—and a traitor in their midst—they’ll become the only other person they can trust…and the only one they can turn to once all hell breaks loose.

Book four in the Grym Hollow series. Each book follows one couple and ends in a happily-ever-after. The books can be read in any order, but reading in numerical order is best.

366 pages, Kindle Edition

Expected publication January 27, 2026

15 people want to read

About the author

Tati B. Alvarez

9 books202 followers
Tati B. Alvarez lives in Austin, Texas with her family. She spends most days lost in her own head, creating stories. When she is not writing, you can find her vacationing at Disney World.

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Displaying 1 - 13 of 13 reviews
Profile Image for Becca.
441 reviews80 followers
January 16, 2026
ARC review

⭐️⭐️⭐️⭐️⭐️

The Demon’s Beauty is a lush, slow-burning fantasy romance that leans into old-world bargains, cursed kingdoms, and the kind of love that sneaks in where it was explicitly forbidden. It feels classic in the best way—an arranged marriage, a demon king bound by pride, and a human heroine who refuses to be small or scared.

Isabelle is wonderfully resolute. Her devotion to her sister and her willingness to sacrifice herself without regret give her backbone from the very first page. She enters Grym Hollow knowing the marriage is meant to be loveless—and she’s determined to keep it that way. Watching her navigate a demon court, unravel a curse, and steadily challenge Oziel without ever losing her fire is deeply satisfying.

Oziel is the epitome of a restrained, battle-worn ruler. He’s seen what love has done to kings before him, and he’s convinced it’s a weakness he won’t allow himself to indulge in. Of course, that makes his slow unraveling all the sweeter. His internal war—between pride, duty, and the dangerous pull toward his human bride—adds delicious tension to every shared scene.

With dwindling magic, betrayal lurking in the shadows, and a kingdom literally turning to stone, the stakes feel real and pressing. The romance grows not in spite of the danger, but because of it—built on trust, reluctant reliance, and the quiet realization that the one person you swore you wouldn’t love might be the only one who understands you.

If you love demon kings, cursed realms, arranged marriages, and a slow-burn romance that blossoms into something powerful and hard-won, The Demon’s Beauty is an enchanting, emotionally rich read that delivers both heart and heat. 🖤🔥
Profile Image for Jessie.
19 reviews
January 7, 2026
Thank you to the author and Book Sirens for the ARC!

I’ve read all the other books in this series and have found them all to be pretty delightful. This one didn’t do it for me like the others did unfortunately. It felt a bit rushed and the chemistry just didn’t feel like it was there. I barely had a sense of Isabelle’s character and didn’t see much of an arc. Nor did I get a lot from Oziel either.

The book’s strength is definitely its connections to the other books and the ongoing storyline of the Guardian searching for his lost love was sweet and had some surprises too! I would recommend this whole series especially if you love a good portal fantasy romance and some monsters! This was probably the weakest so far but still very enjoyable.
Profile Image for Mese.
91 reviews2 followers
Review of advance copy received from Author
January 17, 2026


⭐️⭐️⭐️⭐️⭐️
🌶️🌶️🌶️🌶️🌶️

SOOOOO you know how there are books you want to immediately re-read -but like forget what you’ve read so it’s all a surprise again. That is me with this book. This IS my cup of tea. The banter. The back and forth. The “oh wait WAIT” moments and “I TOLD YOU SO!” To no one in particular but still. I was provided this ARC from FlyingPigPR and Tati and leave this honest review. Full of emotions. You’re welcome for this roller coaster.

I also have to shout out my husband for encouraging my “I just have to read a few more chapters” which turned into the rest of the book lol. I mean we got to 80 something percentage of the way through. Of course I had to finish.

We have:

•Morally grey
•Shadow Daddy
•touch her/him and die
•hate 🌶️🌶️🌶️
•Heart racing moments
•Beauty and the Beast Reimagining. Don’t get it twisted-this isn’t a retelling of Beauty and the Beast.


Maybe I just didn’t want to see it. But the twists were truly twits for me. I kept thinking one thing. But nada, zilch, I hope this is confusing. But there was an initial thing (not saying at what point or where), but afterwards -nothing else.

~ISABELLE -Is stubborn. But also a BA. She is justice in the flesh and does NOT shy away. She takes the initiative and doesn’t hold back.



~OZIEL - is an Alpha male with an ego. Confident. Hot and a mouth that … NVM -Minds out of the gutter!!! Our beast without the fur. But a beast nonetheless.

You could read this as a standalone. But I would HIGHLY recommend reading the others before this one (the world and characters will make sense).

The guardian though-I MEAN, if you have read this-ARE WE THINKING THE SAME THING -with what was revealed -by mhm- and uh huh-and IM SAYING!!!!👏🏽👏🏽👏🏽👏🏽.



For anyone wondering -did I take notes…Yes and for confusion some of them include (and not in this order):

RED FLAG!!!!!
“Um no Sir, there will not….” (Not finishing that thought because I don’t want to spoil it.)
“YESSSSSS!!!!!!!!” (This could hinestly be applied to quite a few locations lol).
-The Sealed Kingdom -Song SS 15Jan (matched the vibe of the chapter I was reading).
“Hmmm…I don’t want to be suspicious buttttttttttt….”

Anywho-I hope you enjoy the book as much as I did.

🫶🏽Mese
Profile Image for Fedythereader.
1,030 reviews30 followers
December 25, 2025
You author, I know you know I love you. And for this … I’m so deeply grateful !!! Thank you for allowing me to read this !!!

“You are more mine now than ever”

“Sometimes the most beautiful things in life can hurt you. Unless you know how to tend them”

What a dream. What a beautiful dreamlike experience this book was. I was craving in. I was hoping for it. A part of my soul had been calling for it. And when it finally arrived … I jumped out of my own skin with joy. The best early Christmas present. The absolute best. I loved it. As it happened for every single Grym’s Hollow book, this one was no exception. It drove me crazy. I’m obsessed. Every page was a deeper insight into the bigger picture that connects the entire series together. But this time around we talk about demons … and what a marvel in wickedness they are!!
Oziel and Isabelle were the perfect combination of wicked and sweet. Possessive and stubborn. I loved them. I loved their romance and their dynamic. I loved how riled up they got one another and I was there for every single step of their journey through greatness. I mean, I am a simple girl, after all. Give an obsessive, hot and possessive demon king who would blind his people just because they have seen her and I’m good to go !!! This book was perfection and, as always, I cannot wait for the next one !!!

“I did know you harboured darkness inside you. I sensed it the moment I saw you. I’ve been waiting for you to embrace it, Kitten. Stop running from it. Command it”

“You came into my fucking kingdom and wormed your way under my skin: every waking breath, I think of you. You are the first person I think of when I wake up and the last I see when I fall asleep. You plague my mind like a sickness. You, Isabelle, are responsible for this desire burning inside me”
Profile Image for Tanja Glavnik.
738 reviews14 followers
Review of advance copy
January 2, 2026
I received an advance review copy for free, and I am leaving this review voluntarily.

We're back in Grim Hollow, or should I say Mescos rather! And it's another banger.

Normally in these types of series, the interest and magic which initially draws a reader in have long since disappeared; not so with Ms Alvarez, whose every entry into the universe offers a fresh new perspective, a continuation of the overarching plot, as well as the slow reveal of the mystery behind it all.

I KNEW Ender was going to be important from the minute he came to claim the Dragon Queen. HAH.

Oziel and Isabelle are great characters, both holding a darkness within but coupling it with the need to see justice done in the world, which means they become immediately relatable on some level and not just props to scorn at. Their love also feels earned and fought for, and never loses the push-and-pull which makes them unique.

Also, the fact that Isabelle can go 'I -ed someone' and Oziel responds with 'Just another Monday, innit?' is PURE GOLD.

You can see the bad guy from a mile off in this one, but that's okay because the twists and turns are worth it.

4 brides down and 2 more to go, which means I'm anticipating the Nephilim should actually retaliate soon in some tangible way, but I'm here for the ride.

I need to see how it ends for Mescos, for Ender, and the royal couples, past, present and future!

Absolutely recommend this series, and this book!
Profile Image for Allie James.
69 reviews
Review of advance copy received from Publisher
January 18, 2026
4/5

The Demon's Beauty is kind of a reimagining of Beauty and the Beast and a good one at that. The characters are very likable and complex. Isabelle is a tough, fierce woman who will stop at nothing to right a wrong. Oziel is a figure of darkness, commanding and intimidating, but with a heart of gold. The two of these characters make up an addicting story that has a lot of romance in it.

The story is a little predictable, but that doesn't make it less enjoyable. I wish more characters were introduced because it's kind of easy to guess who the culprit is. The story is wonderfully slow-burning and the tension is palpable at moments. The whole world Alvarez has created is magical and fantastical. I haven't read the other books, but it made me want to.

Speaking of that, I read this as a standalone and it worked that way. I could tell there was some background I was missing behind characters, but it wasn't integral to the plot of this book. However, based on this one, I do recommend reading this one and the other books, which I now plan to do.

Overall, I loved the characters and romance in this book and thought the author created a very compelling world that I'd love to get lost in again.

Thank you to the publisher for the advanced reader copy and I'm writing this review of my own accord.
Profile Image for FloofyMooseReads.
602 reviews99 followers
Review of advance copy received from Author
January 15, 2026
“Your darkness calls to mine.”

The Demon’s Beauty is the fourth book of Grym Hollow, a fantasy romance series of interconnected standalones. I received an advance review copy and my thoughts are my own. Thank you to the author and Flying Pig PR for my eArc.

Tropes and themes include:
✨Beauty & the Beast inspired
✨Arranged marriage
✨Reluctant allies to lovers
✨Forced proximity
✨Soft only for her
✨Hate f***ing
✨“My wife”
✨He loves her sass
✨Dual, first person POV

Rating: 5/5 Stars 3/5 Flames
Nickname: Kitten

The Lovely: I loved the dynamic between the FMC and MMC. The FMC has done some dark things and absolutely does not apologize for them. The MMC loves her for it and how she sasses back at him. This made for a fun read.

Also Lovely: I also loved that we got to see some of the characters from the prior books. Allarick saying “Sweet Girl” had me all melty 🫠.

Recommendation: This was technically a re-read for me as I alpha read this story last year. I fell more in love with the banter this time, and I was still shaking my head at the MMC. If you like a relatively quick fantasy romance full of wicked banter, tension and betrayal, I think you would love this book.
119 reviews
Review of advance copy received from Author
January 13, 2026
Easiest four-stars ever. The only thing holding it back from a five-star was that, at times, it felt like things were skipped… and I really wanted to read those moments. This was my first read from this author, and I was so happy to see how good the prose is. Easy to read and not YA at all, this feels like mature characters written by a mature author.

And Oziel — he is written so well. His balance of humour and banter was the best. Overall, if you loved the other books, I’m sure you’d love this too. I will be reading all of this author’s other books.

Please keep in mind there are some heavy topics present, so it may be worth checking the trigger warnings.
Profile Image for Ria Morjaria.
12 reviews
Review of advance copy
January 6, 2026
Firstly, I want to thank booksirens for providing me with this ARC, I am writing this review voluntarily and honestly. I am so happy to be back in grim hollow, this story about Isabella and Oziel was amazing, I love their relationship and how they both wholly accept each other’s darknesses and they thrive together. I love the development in the story and the guardians role in it all, I am so ready for the next book to be released. So far every book has been a hit for me and I’m so excited to delve into the next story.
Profile Image for c_reads_books_.
180 reviews10 followers
Review of advance copy received from Author
January 16, 2026
A solid 4th installment in the Grym Hollow series, but I felt it lacked some of the “girl power” vibes that were so strong in the previous 3 books. I would have liked to see Oziel and Isabelle connect more in quieter moments; i would have gladly read 50 or 100 more pages to have their connection feel deeper than lust.

I still have enjoyed this series very much, and will definitely see it through. I can’t wait for Ender’s story, OMG.

Thank you to Tati B Alvarez for the opportunity to read & review The Demon’s Beauty prior to its release.
Profile Image for Kara A.
123 reviews3 followers
Review of advance copy
January 4, 2026
This is the next installment in the Grym Hollow series. I really like this author, but this book within the series fell a little flat for me. I feel like there were shortcuts made in this book that weren’t in other books. The progression from enemies to lovers didn’t make a ton of sense to me here. Lust and love are different things. Also, the plot twist is very predictable. It wasn’t a bad book, but it did feel a little lower complexity and development than previous books.
This entire review has been hidden because of spoilers.
Profile Image for C.L. Adams.
Author 4 books6 followers
Review of advance copy received from Author
January 17, 2026
Another installment of Grym's Hollow, we get familiar with the demonic kingdom, their curse, and their human queen who is way out of her depth, mouthy, and irresistibly drawn to the demon king.

The traitor involved in the curse might be obvious to some(it was to me) but this was still a great read! Thank you Tati for sending this ARC. ✨️
Profile Image for Lindsey.
118 reviews3 followers
Review of advance copy
January 8, 2026
This was my first read by this author and it was a home run for me. I loved Oziel and Isabelle together, how they knew exactly how to rile each other up. I need to read the rest, and then I will need more.
Displaying 1 - 13 of 13 reviews

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