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Carved: Sins of the Sigma (Book 3): A Secret Society Dark Romantic Thriller

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Three names remain. She will have her revenge. Or die trying.

Eighteen months after her ex-boyfriend bled out in her arms, Monroe Campbell is dead. Forgotten. Clawing herself out of a depthless rock bottom.

That is until she answers a fortuitous call from a woman who fled a sex cult party where men wore demon masks and concubines were named pets. Sigma. Reborn like a bloodthirsty phoenix, Monroe reignites her vendetta.

Kill. Them. All.

But infiltrating Sigma’s hidden compound is more precarious than anticipated, garnering the infatuation of not one, but two, cult leaders in the process. Monroe was ready for danger. She wasn’t ready to confront unresolved feelings from her past.

This time, she won’t fail.
If only she can stop herself from falling in love with a cult leader first.


ABOUT THE
CARVED is the third book in the Sins of the Sigma series. A dark romantic thriller about a corrupt secret society and a heroine’s quest for revenge. Where power, bloodlust, carnal desires and obsession collide. In this explosive part one of the series finale, all is not as it seems. This steamy thriller of twists and unexpected turns will make you question who is good and who is evil.

Sharpen your knives and minds, because Monroe, our vixen of rage and revenge, is out for blood but unbeknownst to her, there are snakes hiding in the grass, waiting and ready to strike.

Murderous secret society sex cultLethal FMC vigilantePsychotic female rageObsessive MMCs with hidden agendasCorrupt billionaires paying for silenceDeadly betting gamesKnife, blood & pain playShocking twistsKnife, blood & pain playMultiple POVs (3+) CONTENT Please read with caution. This book is intended for mature, adult audiences only.

Carved (and the Sins of the Sigma series in general) contains themes that may be distressing to readers,

Scenes of extreme violence, death and dismembermentMemory and discussion of Domestic Violence that happened to a Female Main Character (FMC) in the past and off-page, including a bruise of the FMC’s body from a DV incidentUntreated severe mental illnessDepression and references to off-page suicide attempts and suicidal thoughtsHolding women captive against their willReckless and disturbing use of guns, knives, sedatives administered via syringe and orallyArsonDiscussion of narcotics additionReferences to human sacrifice and nefarious cult rituals that involve bloodThis book also contains detailed and explicit two-person and group sex scenes that include elements of knife play, blood play, pain play, primal play, chasing, intense use of BDSM toys and other BDSM elements.

520 pages, Kindle Edition

Published September 30, 2026

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About the author

Summer Robert

9 books36 followers
Summer Robert is a recovering corporate girlie turned weaver of angsty, dark romance stories that are as suspenseful as they are salacious. She’s known for writing twisted and often emotionally devastating love stories with unhinged spice and gut-wrenching cliffhangers. Summer loves a good Easter egg written between the pages as much as she loves surviving off of caffeine and vibes. A fun fact about Summer is that she is a hoarder and self-proclaimed connoisseur of perfume and spends more time than she should debating what perfume her unapologetically strong FMCs wear (because your girl loves an innuendo). Most importantly, she's a mom of two small humans and one small, vicious, and spiteful yorkipoo. Summer currently resides in Los Angeles, and although she is originally a native Ohioan from a shockingly small farm town, she will forever call LA her home.

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Displaying 1 - 30 of 41 reviews
Profile Image for OooLaLa Reads.
1,107 reviews63 followers
October 3, 2026
Revenge Never Looked Hotter

Besties... this book came in wearing a demon mask and chose chaos. "Carved" is the kind of dark romantic thriller where every POV makes you question who is lying, who is hunting whom, and who is about to snap. Monroe’s return to Sigma is vicious, but I loved how the story also digs into Arden and Reid’s increasingly complicated connection, Knox’s unsettling loyalty games, and the countdown hanging over Reid’s head. The Crosswater politics, rooftop confrontations, Biscoff moments, masked ceremonies, and that absolutely wild betting-ring sequence kept the tension cranked up.

And whew... the spice is DARK, dangerous, and definitely SPICING. 🔥

What worked most for me was how the multiple POVs kept shifting my loyalties without losing the revenge thread. There is a lot happening, so a few stretches felt dense, but the twists pulled me right back in. This is violent, obsessive, morally wrecked chaos with feelings hiding underneath. Please read the TWs, Besties... and do NOT start here.

My Ratings:  ⭐ 4.5/5  ▪︎  🥵 4/5

🥀 My ratings and review are my own. Check out my profile for my rating scale. 🖤
Profile Image for Hira Khan.
111 reviews13 followers
September 21, 2026
Holy shit!! Every time I think this murderous sex cult can’t get more depraved and demented, they prove me wrong lol but I freaking love it and idk what that says about me.

I had no idea what to expect from Reid and Knox but they did not disappoint. Both are stuck in this endless cycle of Sigma because of their psychotic fathers and I really enjoyed being in their heads. And I’m glad both Carver brothers are such touch her and die for their women. Reid starts off pretty emotionally closed off, which changes quickly as soon as he meets Arden. She constantly puts him in his place but he’s right where he wants to be. And I love that honestly. And can we talk about how cute of a dog dad he is? Swoon. I love the tension between them and I like the little bit of history they have as well. Knox was interesting. All I knew about him previously was the pretty boy graduating early who wanted Monroe so being in his head was an experience to say the least. And I can’t wait to see more of him and learn more about him in the next one. X’s point of view was also eye opening and I really need to go back and take notes so I can figure out who he is.

But my absolute favorite parts of Summer’s books are her FMCs. They are full of rage and sass. Arden was no different. While she has her own demons, she doesn’t let that stop her from trying to take charge of her life. Unfortunately or fortunately she falls for Reid. Monroe is such a queen though and that’s all I’m going to say about that.

I really like that we got a bit away from Darnell and got to learn more about Sigma through the alumni lens. And I liked the whole corporate side because it helped me understand where the money comes from and how they “keep it clean”. As with Caged and Collared, this is thrilling and dark and very fast paced. I never knew what to expect and my jaw dropped a few times. I cannot wait for book four but I’m also sad this is coming to an end.
Profile Image for InkedSirenXO.
349 reviews25 followers
October 2, 2026
Review of Advanced Copy received from Author

Carved absolutely lives up to its name because this story sinks its claws into you and refuses to let go. 🖤

Monroe is back, and this time she isn’t running from her past. She’s coming for everyone who deserves what she has planned. Her journey into Sigma is filled with secrets, danger, obsession, betrayal, and enough twists to make you question who can actually be trusted.

I loved Monroe’s transformation into a woman fueled by rage and revenge. She’s fierce, complicated, broken, and absolutely determined to finish what she started. Then you add two obsessive MMCs with their own hidden agendas into the mix, and suddenly everything becomes even more deliciously complicated. 🔥

The atmosphere is dark, twisted, and completely addictive. The secret society, deadly games, morally questionable characters, shocking reveals, and constant sense of danger kept me turning pages because I needed to know what was coming next.

And those TWISTS? Just when I thought I had something figured out, the story pulled the rug out from underneath me again. 😳

Carved is the kind of dark romance that isn’t afraid to go completely off the rails. It’s brutal, obsessive, suspenseful, and unapologetically dark.

If you love dark romantic thrillers, secret societies, revenge, lethal FMCs, obsessive MMCs, morally gray characters, shocking twists, and plenty of chaos, this one deserves a spot on your TBR.

5/5 ⭐️
Absolutely addictive. Absolutely twisted. Absolutely unforgettable.
Profile Image for Nicole.
399 reviews9 followers
October 3, 2026
Carved takes everything that has been building throughout the Sins of the Sigma series and throws Monroe right back into the darkness, except this time she isn’t simply surviving. She’s hunting.

Monroe’s grief and rage are such a huge part of this book, and I loved seeing how much her need for revenge has shaped the person she’s become. She is messy, violent, determined, and sometimes completely unhinged, but there’s still so much vulnerability underneath all of that anger.

The secret society aspect gets even more twisted here as Monroe infiltrates Sigma and finds herself caught between dangerous people with their own hidden agendas. Add in two obsessive cult leaders, deadly games, secret identities, multiple POVs, and some very complicated feelings she absolutely did not plan for, and there was constantly something happening.

What really worked for me was never quite knowing who to trust. Everyone seems to be hiding something, motivations are constantly being questioned, and several of the reveals had me reevaluating things I thought I understood.

This is definitely one of the darker entries in the series, with graphic violence, explicit sexual content, cult themes, and knife, blood, and pain play, so I highly recommend checking the content warnings beforehand.

As the first part of the series finale, Carved leaves plenty unresolved while setting up what should be a very chaotic conclusion. Monroe still has names on her list, and after that ending, I need to know exactly how far she’s willing to go to cross them all off.
Profile Image for LYSS.
61 reviews10 followers
Read
September 20, 2026
Omgggg I LOVEEEDDD!!!! Literally everything about this!! I truly have become obsessed with female rage, revenge thrillers!! Sade “Monroe” is a legend, a queen, I love her.

This particular book followed our main characters Arden & Reid. I loved their relationship, it was chaotic and fast paced, Reid is just 🥵🥵 he’s so serious but then when his emotional side comes out, it just hits you in your feels!!

I loved that we dug deeper into the sex cult. The only issue I had ,which is 100% a ME problem, was the corporate finance talk. So many big words and acronyms that I didn’t understand, which made it hard for me to truly know what was happening & I couldn’t follow along. Like I said this is a me issue as I’m not educated in that field at all lol but if others are then this will probably not be a problem for you!!

Absolutely love Summer’s writing style! The pacing is always perfect!

I’m so sad this series is almost over!!

Thank you Summer for the arc & having me on your street team!!
Profile Image for Findapassion1114.
253 reviews33 followers
Review of advance copy received from Author
September 10, 2026
"𝑻𝒉𝒆𝒚 𝒔𝒂𝒚 𝒘𝒉𝒂𝒕 𝒅𝒐𝒆𝒔𝒏'𝒕 𝒌𝒊𝒍𝒍 𝒚𝒐𝒖 𝒎𝒂𝒌𝒆𝒔 𝒚𝒐𝒖 𝒔𝒕𝒓𝒐𝒏𝒈𝒆𝒓, 𝒃𝒖𝒕 𝒕𝒉𝒐𝒔𝒆 𝒘𝒉𝒐 𝒔𝒂𝒚 𝒕𝒉𝒊𝒔 𝒉𝒂𝒗𝒆 𝒏𝒆𝒗𝒆𝒓 𝒅𝒊𝒆𝒅. 𝑨𝒏𝒅 𝑰'𝒗𝒆 𝒅𝒊𝒆𝒅. 𝑻𝒘𝒊𝒄𝒆."

Special thanks to @summerrobertwrites @hawthorn.and.aster.services for the #gifted epub in exchange for an honest review.

➡️ swipe for synopsis 👉🏼

𝙈𝙔 𝙍𝙀𝙑𝙄𝙀𝙒:
⭐️⭐️⭐️⭐️⭐️➕️

Now yall know I LOOOVE me some Summer. Everything she writes is always 5+ stars. So let me tell you how excited I was to finally get my hands on another installment in the Sins of the Sigma chronicles.

This one takes off 18 months after the end of Collared. Since this can be read as a standalone it has alot of back building for the story, but they're characters that we havnt seen much of before so its fresh and new.

Ways to describe this book....Intense, sexy, merciless, and down right mysterious. So many secrets and so much to unravel just to get to the heart of all of this.

Its like the whole last 25% of this book has me pacing my bedroom asking, should I read more, i cant read more, like seriously wtf, but what's going to happen. As I get closer to the end i almost dont want to finish but I dont want it to be over.

And that ending is just like a sour patch kid. I literally am salivating and purely addicted to this vigilante trauma dump. I need this in my life like oxygen.

Part 2 needs to happen ASAP because I know it will be the delicious cherry on top!

𝙋𝙐𝘽 𝘿𝘼𝙔:
Sep 30, 2026

ℚ𝕆𝕋𝔻❓️⁉️❓️ What's a documentary/docu series youve loved lately?!

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🏷
Summer Robert . Sins Of The Sigma . Carved . Dark Romance . Dark Academia Romance . Vigilante . Badass FMC . Psychotic MMC .

#summerrobert #sinsofthesigma #darkromance #darkacademiaromance
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Profile Image for Ashes And Ink.
91 reviews2 followers
October 1, 2026
6/5
I will NEVER stop screaming about the Sins of the Sigma Series! With every book that comes out in this series I become more obsessed, and Carved is no exception. I do not know how Summer does it but with every book I cannot stop trying to figure out what is going to happen next. Every time I come up with a new theory Summer says, “just kidding” and throws in new twists at every turn. The crash out I had over this book was real and lasted for days! I absolutely cannot wait to see what happens next because Carved is a wild and feral ride that I loved every second of!

The characters, both old and new, have a beautiful complexity to them. Half the time I cannot figure out if I love to hate them or hate that I love them. Summer’s ability to make me want the worst for a character because they are terrible and flip that to me actually feeling sorry for them is a superpower that is unmatched! Arden is beautiful, strong, and so inspiring. She has a past full of tragedy that has reshaped her future. While she does struggle with doubts, fear of failure, and grief she throws herself onto her new path with everything she has. I love that when Arden is faced with some truly scary situations (no I will not go into detail) this woman faces it head on. She is a girl’s girl through and through and her loyalty is something to be admired.

While Arden is an amazing young woman there are parts of her that could use a good reset and there is only one man for that job…Reid Carver. Yes, he may be a major player in a cult that has some not so savory practices, but he is exactly what Arden needs, and she is what will give him life again. I did not think I would like Reid as much as I did, but the way he turns into a cinnamon roll for Arden just changed my mind. While Reid may have the best of intentions, the way this man decides to manage certain situations definitely had me wavering from wrapping him up in a blanket to knocking some sense into him. There is so much more to him than meets the eye and his character took the story down a path I did not see coming (which does not happen to me often).

I cannot write a review of a Sins of the Sigma book without a mention of the epitome of female rage and revenge that is Monroe! I am still completely obsessed with this woman and while her role is smaller in this book, her impact is still fire! She is dealing with a grief she does not fully understand and is looking to finish out her revenge. Finally, we have Knox who I fear after reading his role in this book, is going to absolutely ruin me in the next book. I really enjoyed the complex relationship between Know and Reid and cannot wait to see what these two will or won’t accomplish together next. Their banter is some of my favorite moments. The dynamic between Knox and Monroe (their scene is so good and permanently embedded in my brain!) is something that has me on edge waiting to see it play out.

The first part I appreciated with this book is there is a perfect summary of everything that has occurred, making it easy to jump right back into the story. I hated every second I had to put this book down, always looking for what was going to happen next. The plot is full of mystery, and I love the attention to detail, as small hints become so relevant as the book progresses. This is an instant 6 star read for me, and I will ALWAYS recommend it to dark romance and secret society lovers. Especially those looking for top tier spice and a story that will keep you guessing!

Profile Image for Yaneth Alvarado.
91 reviews1 follower
September 30, 2026
⭐️⭐️⭐️.75

Let me start off by saying this:

I AM IN LOVE WITH MONROE. 🖤🖤😈

This woman is a FUCKING QUEEN. Her feminine rage is so damn addicting, and when she finally lets that unhinged side of herself out? I am HERE FOR IT. Every. Single. Time.

I’ll be honest, I didn’t enjoy this one quite as much as the first two books. The beginning felt a little slow for me, but once all the pieces started moving and the different players and plots began coming together, I could not put this book down.

Summer Robert just has a way of pulling you into her stories. This series makes you feel like you’re sitting there with a conspiracy board covered in red string, trying to track everyone’s whereabouts, figure out who is connected to who, and determine who is playing whom.

And I STILL CANNOT FIGURE OUT WHO X IS. 😂

I have gone through SO many theories, only to have them completely debunked as I read. And honestly? That is exactly why I love this series. You can think you have everything figured out, only for the story to throw another twist at you and leave you with even MORE questions.

I love that this series doesn’t make everything obvious from the beginning. I want to be able to theorize, second-guess myself, change my mind, and then have the book completely humble me. 😂

We finally get to see more of Knox and Reid in this book, and their relationship was one of my favorite parts.

JUST. KISS. ALREADY. 😂

The constant bickering between these two had me laughing because they absolutely cannot stand each other, yet they tolerate one another because they’re both completely fed up with Sigma. They each have their own plans, but neither of them can fully trust the other enough to actually work together.

And then there’s Arden. 🖤

My girl has been through absolute hell, just like Monroe and Gaby. She managed to escape Sigma once while she was at Dornell, only for life to drag her right back into that world when she becomes a target.

And then Reid falls for her.

I REALLY enjoyed their relationship, especially because they have a past together that neither of them realizes until later. Watching Reid slowly realize that this woman is making him have actual feelings again was EVERYTHING.

And Reid is the ultimate black cat / golden retriever mix, and somehow that description fits him perfectly. 😂

And then we have MONROE.

Watching her slowly reclaim herself and embrace her rage was probably my favorite part of this entire book. She has been through so much, but there is something so satisfying about watching her stop simply surviving and start becoming a force of her own.

And X…

Sir. 😈

I hope you’re ready.

Because after everything Monroe has been through, I KNOW she is coming for you.

And watching this man slowly realize that he might not have as much control as he thinks he does? DELICIOUS.

Also, I’m pretty sure X is going to be afraid of grapes for the rest of his miserable life and honestly… good. 😂🍇

The ending has me SO ready for book four. I already know the final games are going to be absolutely insane, and after everything we’ve learned in this book, I have approximately 47 new theories about where this series is going.

I’ll be over here patiently waiting for book four.

Let the final games begin. 🖤
Profile Image for Mandy Britt.
727 reviews68 followers
Review of advance copy
September 24, 2026
Every single thing about this book was phenomenal! I had no idea what to expect from Reid and Knox, but they did not disappoint. Both are stuck in this endless cycle because of their psychotic fathers, and I really enjoyed getting inside their heads.

I am so glad both Carver brothers are total "touch her and die" for their women. Reid starts off fiercely guarded, but his icy exterior melts the second Arden enters his life.

She constantly puts him in his place, and he loves being right where he wants to be. Watching the undeniable tension spark between them—especially with the little bit of history they already share—was absolute perfection.
​
Knox was super interesting, too. Previously, he was just the mystery guy on the periphery tying everything together, so experiencing his POV was wild.

I am so ready for whatever else he has up his sleeve! Plus, getting X's point of view was a total game-changer, and now I need to dive back in and piece all the clues together to figure out his true identity.

​My absolute favorite parts of Summer’s books are her FMCs. I am completely obsessed with these dark, twisty revenge arcs, and she always delivers fierce, unyielding heroines who refuse to back down.

Sade “Monroe” commands every single scene she is in—she is iconic and completely unmatched! Arden was no different; while she has her own demons, she doesn’t let that stop her from trying to take charge of her life.

Of course, all of that fierce control flies out the window the second she unavoidably falls for Reid. Their relationship was chaotic and fast-paced. Reid is so serious, but when his emotional side comes out, it just hits you right in the feels.

​I really liked getting a bit of breathing room from Darnell's immediate orbit to explore the wider world through the alumni perspective, especially getting a deeper look into how the cult operates behind the scenes.

Seeing the inner workings of the corporate machine shed so much light on their financial empire and how they manage to launder everything so smoothly.

​As with Caged and Collared, Summer's writing style is just fantastic. The pacing is always spot on! The ending was absolute perfection, and I am already so excited and can’t wait for the next book.

​If you love dark romance, morally gray characters, high-stakes suspense, and fierce heroines who can hold their own against dangerous men, you need to add this series to your TBR immediately.

Thank you Summer Robert and Hawthorn and Aster for the opportunity to read this. I received this book for free in exchange for my honest review.
Profile Image for Angie Konarski.
61 reviews
October 4, 2026
First, a huge THANK YOU to Hawthorn & Aster and author Summer Robert for providing me with an advance copy of Carved! I’m so grateful I had the opportunity to be an ARC reader and share my honest thoughts on this amazing read!

And OMG, this dark romance was SO GOOD! If you are a dark romance reader, then I definitely think Carved needs to be on your list!

Now, before anyone comes for me… Yes, I know this is Book Three in The Sins of the Sigma series. Yes, I know you’re supposed to read them in order. And no…I did not. 😂

BUT, I was still able to follow and enjoy the story without having read the first two books. Did I probably miss some connections along the way? Sure. But did it stop me from becoming completely invested?

ABSOLUTELY NOT!

In fact, I enjoyed this one so much that now I want to go back and read the first two. If Book Three can convince me to start a series backward, I think that says quite a bit!

I loved the MMC. He was in love, broody, intense, and basically everything I want when I pick up a dark romance. But our FMC?! THE BRAVERY! The things this woman was willing to do had me sitting there thinking, Could I EVER?! Probably not.
And the fact that she actually enjoyed most of it? GIRL.

Her courage and willingness to throw herself into everything happening around her made her so much fun to read. But despite all of that, neither of them was actually the star of this book. Nope.

That honor belongs to…

BISCOFF!!!

Who is Biscoff? I’m not telling you. What makes Biscoff so amazing? Also not telling you. You are just going to have to trust me when I say that Biscoff alone is worth the entire read! Dark romance, a broody MMC, an incredibly brave FMC, and Biscoff…

What more could I possibly ask for?!

A BIG thank you again to Hawthorn & Aster and Summer Robert for trusting me with an advance copy of this amazing read. You definitely gained a reader because now I need to go backward and find out everything I missed in Books One and Two!
Profile Image for Nikkie White.
64 reviews5 followers
all-my-arc-books-ive-read
September 24, 2026
First and foremost, a huge shout-out to Summer Roberts. Thank you for the opportunity to let me ARC read this book. Everything about this book was absolutely phenomenal!!! If I could rate it higher than 5 stars, I would, because it truly is that good!

If you love dark romance, morally grey characters, high-stakes suspense, and fierce heroines who can stand their ground against dangerous men, you need to add this series to your TBR immediately you won’t be disappointed. Also, please always check your trigger warnings they are there for a reason, even though most of us tend to treat them like menu items we’d casually glance at in a restaurant. I had no idea what to expect from Reid and Knox, but they definitely did not disappoint. Both of them are trapped in this endless Sigma cycle because of their psychotic fathers. My absolute favorite parts of Summer’s books, however, are her FMCs. They are filled with rage, and Arden is no exception. Even though she has her own demons, she refuses to let them stop her from trying to take control of her life.

I’m glad both Carver brothers are the type to be fiercely protective of their women, willing to go to extremes for them. Reid begins as quite emotionally closed off, but that quickly changes once he meets Arden. She constantly puts him in his place, yet he finds himself exactly where he wants to be. I really enjoy the tension between them, as well as the bit of history they share. Knox was also very interesting. Previously, he was just the mysterious figure on the edges, quietly connecting everything together.

Summer’s writing style is just fantastic. The pacing is consistently spot on, and the ending was absolute perfection. I can't for the next book.
Profile Image for Tiara (TheBookishDelight).
150 reviews5 followers
Review of advance copy received from Author
September 29, 2026
So many twists and turns happening in this book! As always, Summer knocks it out of the park with her writing. I’m such a fan of her descriptions, and her world-building is no joke. Not only do we get more in-depth details about how the cult operates outside of Dornell, but we also get X’s perspective more prominently in this book.

I really liked how he’s slowly evolved from this powerful, mysterious benefactor into this small man obsessed with murder and control. Reid and Knox read him like a book.

I wasn’t sure what to expect from either Reid or Knox, but I found myself secretly rooting for the former after his sudden kindness at the end of Collared surprised me. Yet Reid is so much more complex than I initially thought. Knox, on the other hand, was definitely a wild card and had one of the most transformative changes throughout the book, with Sade (Monroe) taking the top spot.

Arden was a great protagonist, and I really felt for my girl as she was going through it all. She’s tough, but I love her moments of vulnerability, especially when it comes to her chemistry with Reid.

Reid is definitely one of my favorites, along with his brother. Both are ride-or-die for their women and for each other. Neither of them is perfect, but I have hope for them.

Knox, on the other hand, has some seriously explosive chemistry with Monroe. 🔥

She’s still haunted by the memory of Kieran and his abuse, the cult, and everything it’s done to change her life.

Still, I’m glad I was here for the ride, and I can’t wait to see what else is in store!!!


I received an advanced reader copy and I am voluntarily leaving a review.
Profile Image for Jenn D'Haenens.
14 reviews
October 9, 2026
If there's one thing this book does, it's keep you on the edge of your seat! The suspense, the secrets, the deadly games, and the twists had me constantly wondering what was going to happen next. Just when I thought I could catch my breath, something else happened!

Monroe is back with one goal: REVENGE. I love seeing women who refuse to be broken, who fight back against the people trying to control them, and who aren't afraid to embrace their rage. And then there is Arden, learning more and more about Sigma as she gets thrown into it, but not without a fight. These women bring so much intensity to the story, and I was rooting for them through every dangerous twist and turn.

And Sigma? Absolutely twisted. Between the corrupt billionaires, obsessive cult leaders, hidden agendas, and deadly betting games, there's danger around every corner. Monroe thinks she's ready for what awaits her inside the compound, but nothing is ever that simple.

This is DARK dark romance, and the trigger warnings are definitely worth checking before diving in. But if you love suspense that keeps you holding your breath, ruthless women who fight back, and a story that refuses to play it safe, Craved needs to be on your TBR! 🖤🔪
Profile Image for Victoria Hartman.
36 reviews3 followers
Review of advance copy received from Author
September 7, 2026
ARE YOU KIDDING?!

From the prequel, to part one of the FINAL CHAPTER of Sigma.

These characters have so much depth and heart and multiple personalities, it makes each story within the story continually interesting.

Monroe will always have a special place in my heart, but ARDEN?! Her fire throughout this book, and constantly putting Reid in his place was amazing.

The history the two of them having coming to a HEA (so far) was so special to read and I cannot wait to see what happens next with Monroe/Sade, Knox & most importantly X!!!!

Will Sigma live on or burn to a blazing end?! I can’t wait to find out!

Summer’s writing never ceases to amaze me and the fact that this story is coming to a close brings tears to my RK my eyes, but knowing it’s gonna end with a BANG makes it so worth it😍😍😍😍😍
This entire review has been hidden because of spoilers.
Profile Image for Country Mama.
1,805 reviews86 followers
October 5, 2026
Carved: Sins of the Sigma by Summer Robert is book 3 in the Carved series. The story picks up where the second book ends with a new villain. You do not need to read the first 2 books for this one, but I always feel that you get more depth to the story if you hear the characters backstories and more about what happened up to the current book. This book follows Arden, Reid, Knox, and the cult leader X. The mystery is so interesting about the cult and the danger that the women are in. I am not spoiling the book events, just saying that this author knows how to write a great secret society, dark thriller novel. I was engaged from the beginning until the end! Highly recommended for my fans of dark thriller novels.
Profile Image for Diamanti.
481 reviews14 followers
September 17, 2026
Hi everyone!
First, I should mention that this is the third book in the *Sins of the Sigma* series.
The tension in this book hits an all-time high. The world-building has evolved significantly and is nothing short of fantastic.
The characters are well-structured, developed, and possess real depth; furthermore, they undergo their own evolution throughout the story.
As for the plot, it is powerful and packed with suspense, adventure, and fantasy.
Finally, the author’s writing style is gripping, enjoyable, alluring, thrilling, dark, fast-paced, and enchanting.

Many thanks to the author and Hawthorn And Aster Services for the eARC!

This is my honest review!
10 reviews1 follower
September 25, 2026
Review of advanced reader copy.

If you enjoy Summer Robert’s Sins of Sigma series, Carved does not disappoint. There is all of the questionable behavior you have come to expect from the series, along with some great, albeit not always healthy, relationships. While the relationship between Reid and Arden was generally the main focus of the book the side combinations were just as interesting. Personally, I enjoyed the dynamic between Reid and Knox. Their banter is an enjoyable addition the book. I am excited to see how Summer concludes Monroe/Sadie’s story (and the creative ways she takes revenge).
Profile Image for Michelle.
156 reviews7 followers
Review of advance copy received from Author
September 26, 2026
Third in the series, big could be read as a stand alone/first of a duology… I read it on its own, and you get thrust straight into the storyline, which I might have understood better if I had read the first two books. A satanic sex cult under cover of an investment company. Two male main characters are part of both of these areas, both working on their own to free themselves of their indentured service. Reid finds love with the FMC, Arden, and Knox starts a twisted relationship with the other FMC, Monroe. Sex, bdsm, satanic cult, a ton of killings and intrigue. Easy to get invested in the story
Profile Image for Nikki B..
1,253 reviews32 followers
October 17, 2026
Carved is book 3 in the Sins of the Sigma series and you do need to read the others in the series for context of what is happening in this book. This is a dark, college, murderous secret society, with lots of feminine rage.
I absolutely love Reid. I love the touch her and die vibes he gives off. I love Arden's character for him. I think they balance each other so well.
But Monroe... I love who she's becoming. They definitely messed with the wrong one when they messed with her. She is clever, and brave, and full of vengeance. I can't wait to see how her plans take shape in the next book. I just know she won't stop until she takes them down! I can't wait.
Profile Image for Sandra Maloney.
102 reviews4 followers
Review of advance copy received from Author
September 25, 2026
Who doesn’t love a revenge story!! Amongst the elite members of society holds deep dark secrets. A society built on blood and secrecy. How does X stay one step ahead and how will they be able to bring this empire down, when the influence reaches so far. Is revenge best served on a cold slab of stone? What more does Monroe have up her sleeve to dish out to the men of Sigma? What will the Carver boys do to survive? I love this series and can’t wait for book 4 to see how it all goes down in flames!!
This book was provided to me as an eARC
Profile Image for Alijo.
158 reviews5 followers
September 29, 2026
ARC Review

This series has had me in a chokehold since I read Caged.

Monroe will always and forever be a top tier queen when it comes to feminine rage and I love her for it.

Going in, I wasn’t 100% sure what to expect from Reid but he delivered! Protective of Arden with a touch of touch her and 💀

Arden was such a great FMC, the girl just wanted to start up her business and take care of Biscoff (the goodest boy).

I am so excited for the next book with some more of Knox searching for the “mystery girl” that came at him with a vengeance.

Seriously though, WHO IS X??
Profile Image for thevelvetthorn.
186 reviews3 followers
October 2, 2026


You ran from the thing that
almost destroyed you.

Only to find yourself right back
where you started.

Trust is futile.

Love is dangerous.

Pain and pleasure have become
impossible to separate.

In a world built on blood, power and devotion, survival means making impossible choices for the people you love, even when loving them might destroy you.


Because sometimes the only thing more dangerous than the monster hunting you is the one you would become to protect someone else.


Thank you hawthorn and aster and summer for the arc
Profile Image for Mimi.
264 reviews
Review of advance copy received from Author
September 30, 2026
I’m SO happy I found this series! It’s twisted, addictive, and filled with badass FMCs, and I am HERE FOR IT. 🖤

Monroe is completely unhinged, and honestly? I love it. 😂 The men are somehow even more twisted and unhinged, each bringing their own brand of chaos to the story.

But X?! EXCUSE ME?! WHO THE HELL IS THIS MAN?! 👀 I need answers because the mystery surrounding him is driving me absolutely insane.

The next book seriously cannot come fast enough. I need to know what happens next!
6,408 reviews
September 30, 2026
You need this romantic thriller in your life!

It was only a short time ago that I was introduced to Ms. Robert's stories! I haven't looked back once!
WOW. Excellent!
I couldn't put this down.

I love the secret society trope.
There's always so much angst.
Suspense.
Heart beating frantically in your chest.
Awe at so many turns!

Monroe is an amazing, amazing character! Wait, just wait!

This series is not for the faint of heart...so take care!

DARK!

#gifted
Profile Image for The Book Ssirren.
7,236 reviews179 followers
October 4, 2026
This story was fire. An absolutely epic kind of story that pulls you in and won’t let you go until it says you’re finished. I was immediately pulled into this. Glued to my chair, and hung on for the wild ride that this was. The characters were so freaking good. They were fierce and determined. Knox and Reid were everything. I couldn’t get enough of this one. I ate it up. I seriously can’t wait for the next one.
Profile Image for Nicole.
299 reviews9 followers
September 10, 2026
Wow! I don’t even know where to begin with this review!! This book was PHENOMENAL!!! Worth way more than 5 stars!!! I loved it so much! What a roller coaster with twist and turns and I was here for the whole thing!! I love Arden, Reid and Knox and obviously Monroe is my favorite FMC! The ending was perfect and I can’t wait for the next book!
128 reviews3 followers
October 3, 2026
Im seriously obsessed with this series!
This is as Summer would describe as the first book in the second cluster to end the series.
In this book we are 18 months past the ending of the second book.

We follow Arden as she tries to escape the horrors of losing her best friend to Sigma and her own experience with that horrible culty fraternity. Only to wind up back in their clutches
Profile Image for Michaela Elizabeth .
12 reviews
October 6, 2026
I’m always down for all of the drama and scandal that these books provide! I enjoyed following some new characters and catching up with some old ones. The story kept me wanting to read just one more chapter. It was quite the roller coaster. Never a dull moment! I’m excited to read the next one!

I received an advance copy in exchange for an honest review.
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