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One of Us Knows

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From the critically acclaimed and New York Times bestselling author of When No One Is Watching comes a riveting thriller about the new caretaker of a historic estate who finds herself trapped on an island with a murderer--and the ghosts of her past.

Years after a breakdown and a diagnosis of dissociative identity disorder derailed her historical preservationist career, Kenetria Nash and her alters have been given a second chance they can't refuse: a position as resident caretaker of a historic home. Having been dormant for years, Ken has no idea what led them to this isolated Hudson River island, but she's determined not to ruin their opportunity.

Then a surprise visit from the home's conservation trust just as a Nor'easter bears down on the island disrupts her newfound life, leaving Ken trapped with a group of possibly dangerous strangers--including the man who brought her life tumbling down years earlier. When he turns up dead, Ken is the prime suspect.

Caught in a web of secrets and in a race against time, Ken and her alters must band together to prove their innocence and discover the truth of Kavanaugh Island--and their own past--or they risk losing not only their future, but their life.

344 pages, Kindle Edition

First published April 16, 2024

1457 people are currently reading
70448 people want to read

About the author

Alyssa Cole

42 books6,436 followers
Alyssa Cole is an award-winning author of historical, contemporary, and sci-fi romance. Her Civil War-set espionage romance An Extraordinary Union was the RT Reviewers’ Choice Award’s Best Book of 2017 and the American Library Association’s RUSA Best Romance for 2018, and A Princess in Theory was one of the New York Times’ 100 Notable Books of 2018. She’s contributed to publications including Bustle, Shondaland, The Toast, Vulture, RT Book Reviews, and Heroes and Heartbreakers, and her books have received critical acclaim from The New York Times, Library Journal, BuzzFeed, Kirkus, Booklist, Jezebel, Vulture, Book Riot, Entertainment Weekly, and various other outlets. When she’s not working, she can usually be found watching anime or wrangling her pets.

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Displaying 1 - 30 of 2,581 reviews
Profile Image for Nilufer Ozmekik.
3,117 reviews60.6k followers
November 14, 2025
Tick tock, tick tock… Can you hear the ticking clock inside my head? It's like a bomb ready to explode any second! Oh boy, what did I just read? My head is spinning! My brain cells are all mixed up! It's been ages since I've come across something so quirky, eerie, yet incredibly intelligent, unique, creative, and entertaining in a strangely sarcastic way!
 
The inner dialogues between multiple dissociative characters were a bit overwhelming, yet oddly humorous and refreshingly original, like a bizarre kind of theatrical performance with multiple actors. As you delve into this journey, you quickly realize you're reading two books, two storylines, two themes at the same time: one about being trapped on an island where people start dying one by one, reminiscent of Agatha Christie's "And Then There Were None," and another about a traumatized woman suffering from dissociative identity disorder, struggling against her other identities and trying to unite them to protect herself from an outside threat, akin to "Shattered Island," "Split," and themes from "Minds of Billy Milligan" and "Sybil."
 
Both storylines are incredibly compelling and immersive, drawing you in with their clever and sarcastic tone, conveyed through the characters' multitude of voices: from Solomon's rational and controlling demeanor to Empress's quirky nature, Della's responsible attitude, Mesmer's confidence, Keke's innocent charm, Lurk's confusion, Rapunzel's wild spirit, and Kenetria's self-deprecating humor.
 
The portrayal of the castle she's constructed and the positioning of each identity as "headmates" are brilliant inventions that transport readers into a fantastical realm.
The story begins with Kenetria Nash's boat trip to an isolated island on the Hudson River to start her new job as the resident caretaker of a historic home. The catch? Kenetria didn't apply for the job—her alter ego, Della, did. And when Kenetria decides to take control of her body, Della disappears, as if she were never part of her shattered personality.

Desperate for stability after being dismissed from her university program and kicked out of her home, Kenetria seizes the opportunity, only to discover that the house on Hudson River eerily resembles the one she's imagined in her mind for her other personas. Coincidence? And why do the boatman and caretaker warn her that she can't spend a single night alone in the house? What secrets does it hold? Is it cursed, as rumored by the locals? And why does everyone who sets foot on the island end up dead?
 
But caretaking isn't Kenetria's only problem. A surprise visit from the house's conversational trust leaves her rattled, and when one of them dies, she becomes a prime suspect. Now, she must make peace with her inner demons and enlist their help to uncover the real perpetrator before she becomes the next victim. But to do so, she must confront her dark past, the very reason she created a castle with multiple characters in her mind in the first place.

Overall, this is Allyssa Cole's second thriller, and it's even more captivating than her previous work. I highly recommend it to anyone who enjoys psychological thrillers with a unique writing style.
 
Many thanks to NetGalley and William Morrow/William Morrow Paperbacks for providing me with a digital review copy of this well-executed psychological thriller in exchange for my honest thoughts.

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29 reviews9 followers
January 9, 2024
The law of Goodreads is that any genre book that challenges its readers will end up with a sub-4 rating, so I don't doubt this one will be ranked well below what it deserves. I'd call this a 4.5, but am definitely rounding up to balance the Goodread Idiot Effect.

(The fact that the protagonist, like the writer, is Black and female surely won't influence any if those negative reviews, of course, I'm sure.)

Anyway, Cole does NOT deliver a straightforward thriller or mystery, but she instead gives us a damned fine -- and, best I can tell, well-researched -- story with a protagonist with Dissociative Identity Disorder. Ken, one of Kenetria Nash's personalities who had been dormant for years, wakes up in control to find the body is about to start a new mysterious caretaker job. As she attempts to learn what's been happening for years (including learning about COVID), she realized that there's something mysterious happening with both the job and with her other personalities, and has two mysteries to solve.

I want to avoid going too heavily into the plot, because the twists and surprises are too much fun, but you don't have to be a very talented reader to figure out that stuff from Kenetria's past will come up. The key things here are that all of Kenetria's personalities have distinct and believable personalities, and their interactions with each other and with the outside world drive the storytelling here as much as the actual plot. This is a quick and intense read (while Cole doesn't delve on cruelty, it's a given that people with DID tend to have a major trauma in their background). While some twists are expected, there are some nice curveballs (ones that all stand up to scrutiny) as well.

Overall, this is a blast. I'd categorize it as closer to a contemporary gothic (it's literally set in a castle) than a traditional thriller, but it's more between the lines of the two genres. This is Cole's second consecutive book to blur genre lines, and I'm definitely up for seeing what her next book is.
Profile Image for Teres.
222 reviews646 followers
May 23, 2024

All the stars go to Alyssa Cole for even attempting such a uniquely structured novel as One of Us Knows.

Ever experience thriller fatigue? I sure have.

Look, it’s one of my fave genres, but good golly I cannot tell you the number of times that I’ve been reading a new release and gone, “Wait, haven’t I read this one before?”

I can guarantee: you have never read anything like One of Us Knows.

Let me also say, even if you devour thrillers, this one is not for everyone. In fact, I seriously thought that perhaps it wasn’t for me.

I am so glad that I did not throw in the towel. Ha, my stubbornness to not DNF a novel paid off!

Up for the challenge? Read on, friend.

Definitely trippy and filled with some WTF-moments, One of Us Knows is akin to an expertly plotted Agatha Christie locked-room mystery on a dark and stormy night. The gothic setting of an historic estate on a remote Hudson River island adds to the creep factor.

Kenetria “Ken” Nash developed dissociative identity disorder — previously referred to as multiple personality disorder — as a coping mechanism from extreme childhood trauma.

Her alters, or “headmates,” vary in age (four to 54-years-old) and gender, each with their own personality and role.

The story unfolds from multiple POVs and interactions, including chapters written as a collaborative journal that the headmates use to update one another.

The narrative is both overwhelming and fascinating: you’re reading multiple character POVs — inner dialogue as well as conversations with one another — from people who all share the same body but do not necessarily have access to the same information.

Say what?

Told ya, not for everyone.

But if you’re up for a challenge, I strongly encourage you to put on your thinking caps and dive into One of Us Knows. It’s slow going at first, mostly because you’re trying to wrap your head around what and who you’re reading, but progresses at a rapid clip in the second half of the book.

Kudos to you, Alyssa Cole. Wow. Just wow.
Profile Image for Linzie (suspenseisthrillingme).
846 reviews899 followers
May 15, 2024
Kenetria ‘Ken’ Nash comes to on a Hudson River dock with no clue how or why she’s there. Diagnosed eight years ago with dissociative identity disorder following a life-altering event, it seems she’s been dormant while one of her “headmates” has had the reins. Now faced with figuring out what is going on, Ken is excited—but also wary—when she learns that she has accepted the position of resident caretaker with the conservation trust of historical home on the isolated Kavanaugh Island.

Just as Ken’s getting settled into the magnificent house, however, a member of the historical trust that has hired her shows up unannounced. Piling onto her troubles is the weather system blowing in. With roiling clouds and battering winds, she finds herself stuck on the island not only with her surprise visitor, but a whole host of men that just might mean her harm. One of whom, in fact, was the very individual that set her past alight. As the rain descends, things seem unable to get worse. Or so Ken thinks...

When someone is found dead—and Ken is covered in their blood—she becomes obvious prime suspect. Now it is up to her and her handful of alternate identities to figure out what happened. With a hefty dose of secrets and forgotten trauma from the past, Ken must work quickly before she too loses her life. In a race against time, it will take everything she has to learn not only who the killer is, but also the sinister truth of Kavanaugh Island.

What in all that is holy did I just read? I simply can’t get over how downright addictive but also eerily mind-bending One of Us Knows was from beginning to end. From the sarcasm that flowed from the pages to the dynamite characters, this book was nothing like what I expected, but also absolutely everything that I wanted. Fast-paced, twisted, astute and entirely unique, the dissociative identity disorder aspect added an element to this story that I’ve never seen before. Needless to say, it was an utter home run.

The characters were simply divine, all things considered. A striking collection of alternate personalities, each had distinct identities that manifested as genuine and true. At the same time, however, I couldn’t quite wrap my head around the reality of it all. How an individual existing with at least five other “headmates” could manage to live day-to-day was staggering. Add in the suspense-laden plot that had my pulse racing and my fingers flying, and I was completely won over.

The storyline itself consisted of two alternate storylines. One with a very And Then There Were None feel and another that presented the topic of dissociative identity disorder and the stress of living with multiple other personalities. Rife with true-to-life emotion and a propulsive writing style, I quickly got sucked in as the plot unraveled before me. Try as I might, there was no putting the puzzle pieces together and I was forced to sit on the sidelines until the final timely reveal.

I do have to mention, however, that this book likely isn’t for everyone. With a definite need to suspend all disbelief, the nevertheless compelling, intense tale wasn’t your cut-and-dry thriller. It also just so happened to be a rather convoluted plot. You know the kind where you have to pay extra close attention? Well, this is one of those. All the same, if you keep your eye on the ball, you’ll be justly rewarded.

An intriguing combo of gripping psychological thriller with something that could almost be magical realism but is instead all too real, Cole not only created a superlative story, but also a beguiling world. After all, my mind was well and truly spellbound by both the real and imaginary castles that she drew within these pages. Through evocative descriptions and jaw-dropping twists, this once-in-a-lifetime tale won me over hook, line and sinker. Now excuse me as I start counting down the days until Ms. Cole’s next novel. Rating of 4.5 stars (upgraded).

Thank you to Alyssa Cole and William Morrow for my complimentary copy. All opinions are my own.

PUB DATE: April 16, 2024

Trigger warning: COVID, misogyny, ableism, racism, mention of: sexual assault, self-harm
Profile Image for Jenny Mauro.
887 reviews11 followers
April 29, 2024
What did I just read ??? This book is a disaster on so many levels. It is filled with a jumble of unrelated themes-racism, misogyny, trauma, sexuality, rape, mental health and maybe some element of mystery? Don’t get me wrong-these are all important issues but when muddled together they lose their impact and get lost in the mess. And for some reason toss in supernatural elements and the pandemic? Don’t even get me started on the DID element. As a therapist who has worked with DID clients I was shocked at how poorly this was handled. I am at a loss for words about the ending. Now multiple characters have DID and their alters have sex with one another? While alters in the same system also have sex with one another? WTF? Wrong on so many levels.
Profile Image for Christine.
456 reviews
January 27, 2024
I really hate giving books low ratings, but have to do it here. The concept for the book had so much potential. It was unique and different for a thriller. But this book was so confusing, it was hard to stay focused. It also was really slow to get going. After I finished it, I still feel confused as to what was really going on. Good concept that just never got there. I received an advance review copy for free, and I am leaving this review voluntarily.
Profile Image for Rachel  L.
2,136 reviews2,521 followers
August 19, 2024
Well that was a wild ride!! Not sure what I was expecting when I picked up this book, but in a good way, it wasn't any of that.

Kenetria has a diagnosis of dissociative identity disorder in which multiple personalities live in her mind. After being dormant for six years, she wakes up to find she has a job on a remote island, and no memory of the events that led her there. Soon, she realizes there isn't something right about the island, and Ken must work with her alters to make it out safely.

Definitely a new and unique twist on the thriller/mystery genre with a whole new kind of unreliable narrator. I really like Alyssa Cole's thrillers, she's really great with characters and tone. And while I really enjoyed this book, the plot and pacing were off a bit for me. All of the characters had a really prevalent voice and you could easily distinguish between all the alters which I appreciated. And it got a bit wild there at the end. This book should really have a higher average rating on Goodreads, it's weird it's so low.
Profile Image for Scott Rhee.
2,310 reviews161 followers
May 24, 2024
Dissociative Identity Disorder (DID) (formerly referred to as multiple personality disorder) has always been a fascinating plot device in stories. Even when it’s not utilized that well, it’s still fascinating, primarily because the actual disorder is so fascinating.

It’s just so strange to think that a person can have two or more distinct individual personalities in one head. What would that be like? Would it feel crowded? What if the personalities don’t like each other?

Alyssa Cole, in her recent thriller, “One of Us Knows”, introduces readers to a protagonist with DID, and it is done extremely well. Unlike some novels that tackle the disorder, Cole’s use of the disorder is integral to the story. It’s not just a clever plot twist, nor does it trivialize the seriousness of the disorder. Certainly, it is, at times, the source of some humor, but for the most part, Cole illuminates how the disorder can be a life-saving defense mechanism for people who have suffered incredible trauma, especially in their childhood.

Kenetria Nash has eight distinct personalities in her head. Well, eight that she knows about. They all live in a castle (a mental construct that a previous psychiatrist helped to set up for them), and she calls them her headmates. They can have conversations with each other, and they take turns “fronting”—-being the dominant personality to deal with the real world—-depending on the situation. For example, Della, a 65-year-old grandmotherly type, deals well with people. Ken is a more angry, aggressive personality, who appears when the situation calls for it. Empress is a teenager who loves anime and video games. Each personality, in their own way, has something useful to contribute at any given time. (I couldn’t help but be reminded of the Disney film “Inside Out”, only much more adultified.)

Personalities do, however, have a tendency to go “dormant”. In other words, they can go off to some corner of the castle and disappear for long periods of time. At the beginning of the story, Ken awakens as the front personality after a six-year dormancy. She finds herself on a boat, heading to an island off the coast of New Jersey.

Ken has a lot to catch up on, especially since she has missed a lot, including the Trump presidency, the Covid-19 pandemic, and the Black Lives Matter movement. But besides having to catch up with current events, a new problem arises: as the boat nears the island, she sees a castle on the horizon. It’s not just any castle, though: it’s the exact same castle that exists in her head.

What the hell is going on?

To say more would be to offer spoilers, and I couldn’t do that, because this book is cray-cray, in a fantastic way.

Cole, whose last book “When No One is Watching” was one of the more underrated thrillers of 2020, has created another exciting and suspenseful-as-hell thriller.
Profile Image for Kaylah.
98 reviews2,396 followers
May 12, 2025
I’ve been going back and forth all weekend about my rating for this one. I landed on a 3. This is the most interesting premise of a thriller I’ve read! It seemed promising. And I think it was okay. Even at the end I had lots of questions and found myself rereading things to try to understand. Lots of characters, multiple storylines and POVs.. all in all, it felt a little overwhelming. When we ramped up, the pacing was GREAT and held my attention. The 60%-70% BEFORE that, I was just lost. I definitely want to give Alyssa Cole another try!
Profile Image for Katrina Furia.
134 reviews
May 8, 2024
I’m sorry but I’m sick and tired of the news constantly talking about covid and all the different pronouns. So when I read a book, I don’t want to read about all the political stuff. This book had a lot of potential however it fell flat and I couldn’t get passed the politics. Skip it!
Profile Image for  ☠︎︎ A.K.  ☠︎︎.
217 reviews6 followers
April 23, 2025
3.5/5 ✩

”He always says that a woman must know her place. Mine is with my knee to his chest and his head on a platter. Holofernes, vanquished, by flame and not steel.”

PERSONAL SUMMARY
One of Us Knows is the type of story that won’t work for everyone - it can be confusing to read, upsetting at points, and perhaps not always that exciting. However, I grew to enjoy it more and more as the story went; initially, I had assumed I’d give it 3-3.5 stars, but the last ~100 pages really won me over. Cole took care in representing DID without trying to make it “easy” for readers, she created an emotional development that I wasn’t prepared for, and she used callbacks to classic mysteries while putting a modern lens on them.

RELATIONSHIPS & CHARACTERS
There are two sides to this category given the nature of this story: a study on relationships and characters overall, and a focus on the Bad Day System’s relationships and characters.

As far as external characters like Celeste, Landon, etc., I found them to be rather weak; for the most part, everyone felt more like set-dressing to the story of Kenetria. Thus, the relationship dynamics between all of these characters was also weak, though reading from primarily the perspective of Ken or Solomon made it a bit easier for me to feel certain ways towards characters.

On the flip side, however, I think exploring the relationships between the Bad Day System was a personal highlight for me. This story allowed me to learn more about DID than what I knew before, and seeing the function of a DID system and all those complicated internal dynamics was a great experience. We got to know some alters more than others (again, Solomon was a key narrator), but even so, it felt like I got to know all these identities in a mindful way.

ENGAGEMENT & ENJOYMENT
Admittedly, this book didn’t always have my attention. I felt a little hit-or-miss about it through the first half despite the narrative being good on a technical level; I simply struggled to connect given the pacing. Once I got more into the meat of the story, my opinion definitely changed, and I found myself growing to enjoy this more and more.

I was especially invested in the last stretch of the story once the stakes were heightened; I was tense and nervous for the safety of Ken, as well as pissed off on her behalf given the context of the story. I can see that the slow start could deter people from continuing, but I think the last ~15 chapters were really exciting, interesting, and stressful, to the point that I couldn’t put the book down!

ATMOSPHERE & SETTING
The atmosphere of this story is one of its best attributes for me. Cole’s narrative voice created just enough detail that I could quite easily picture this island with its imposing castle, I could feel a certain chill in the air that was more than simply the wind. This setting felt like a modern twist on stories such as And Then There Were None and The Most Dangerous Game, and I loved that aspect very much; creating this dreadful sense of isolation really added to the tension of the narrative once Ken was joined by the rest of the party on the island. This is the type of setting that I loved to be in; it truly amplified the narrative in such a lovely way.

DEVELOPMENT & PLOT
Again, as far as the first half of this book is concerned, it's a bit rocky. We’re immediately thrown into the deep end alongside Ken, but then it balances out quickly for a bit of a slow stretch. The true plot feels like it takes a while to be revealed, though I nonetheless still found the story interesting enough to stick with it. Perhaps the gap between the first half and the second half could have been bridged better, but I wouldn’t go so far as to say any part of this was bad.

I wasn’t prepared for the plot to change the way it did, though I was honestly quick grateful for it. Once I started to see the pieces being laid out for where the story was going, I grew more and more eager to see it reach those heights it promised. In a way, the two half of the story sometimes feel like they’re from different narratives, though I think the chapters exploring the Bad Day System kept everything tied together.

STYLE & STRUCTURE
This book had a variety of things going on, and as I mentioned, that may not work for everyone. Sometimes, it’s exploring the struggles that Ken and the others face as a DID system, sometimes it's a narrative focusing on social, racial, and class differences, sometimes it’s a tense mystery/thriller set in a possibly-haunted castle on an island.

But I found that Cole did a fairly decent job of balancing all of these aspects to create a cohesive story. I, personally, enjoyed all these different sides to the narrative, even when there were occasional stumbles that simply didn’t work as well as they could have.I really appreciate the way Cole used her story to create a sense of uncertainty and confusion, because that’s exactly what Ken and the others were feeling as they struggled to work together as a system; I think it was a lovely way to bring readers closer to factors of DID that most of us probably aren’t accustomed to.


R.E.A.D.S. SCORE
R: 7/10
E: 6/10
A: 7/10
D: 7/10
S: 7/10
Total: 6.80/10.00
Profile Image for Me, My Shelf, & I.
1,434 reviews306 followers
April 15, 2024
This was a RIDE , y'all. Really putting the phrase "I contain multitudes" to work.

-----------------------------------
Disclaimer: I'm normally squiffy on thrillers making use of mental illnesses as part of the twist or reveal or casting judgmental light on a segment of the population that already struggles to get care. I think what worked for me about this story is that you know from the outset about her illness, how she's managing multiple identities, and it's not used to paint her as lesser/broken/damaged/dangerous nor where the twists and thrills are derived from. But I am not OwnVoices and hope they would be able to attest to the accuracy/quality of the novel and its subject matter.
-----------------------------------

Writing:
This is a book that is intentionally challenging and asks a lot of the reader. While technically the whole book is told from one person, it's actually multi POV because of all the different personalities in the system. Sometimes they are fronting, co-piloting, or even have all of their interaction fully contained within their inner world. Coming from predominantly SFF, this is a breeze; but I imagine a lot of folks who stick to Contemporary/Thrillers will find that aspect difficult.

Like the first book I read from her this also says "A Thriller" on the cover, though like her other book it could -should?- honestly also be classified as a Horror. Ymmv. i do think her craft improved in this one and I'm not sure if it's the media I've been exposed to in the interim, or a testament to her writing, but I found this story -while still over the top- was much more believable.

Characters:
I really loved each of the POVs and their distinct voices. There was a single chapter where I had to flip back and verify if it was Solomon or Ken, but other than that they were all very distinct and easy to tell apart. I won't spoil the relationship dynamics, but I also really enjoyed these and watching how different characters interact with each other.

As someone who is terminally online myself, I loved Empress most and only wish she could speak up more often. :P Please, Alyssa Cole, tell us what happens to Souta and his goblin wife!!

Plot/Themes:
If you're familiar with When No One is Watching by the author, then you will see similar themes come up-- about race and class, privilege and unjust systems, thinly masked prejudice. Honestly there were a lot of moments in this that reminded me of some of my favourite horror movies ("Get Out" and "Ready or Not" among others) and homages to classics like And Then There Were None but in a manner that made it feel fresh and new.

Overall:
There's a moment around 80 pages into the review copy that I have that made me pause, totally unpredicted and wildly caught off guard, and immediately get hella invested. It's rare that a book can do that to me, especially a thriller.

So I think this book more than accomplished what it set out to do: I was thrilled.

Thank you to William Morrow and NetGalley for providing me an ARC. All thoughts and opinions are my own.

ps Ken is an icon:
you can just leave!
Profile Image for Randi A.
804 reviews
April 13, 2024
DNF at 14%. I get what the author was trying to do here, but it did not work and felt like a scattered mess. I wasn’t rooting for any of the personalities or cared to know more. Tried 3 different times to get into this and just couldn’t, sadly.

Thanks to Netgalley and the publisher for an ARC in exchange for an honest review.
Profile Image for Mackenzie - PhDiva Books.
771 reviews14.6k followers
April 17, 2024
A genre-bending gothic thriller centered around a woman with dissociative identity disorder serving as the caretaker at a gothic estate, when she finds herself trapped on the island with a murderer. Chilling!

What’s it about?

Kenetria Nash had a breakdown several years earlier that led to her losing her spot in the historical preservationist graduate program at Benson College. As a young child, Kenetria experienced trauma that led her to develop DID as a way to cope. This involves splitting into different selves who manage or take over different parts of her life. Kenetria and her other “headmates" keep a shared journal to update one another on what has been happening while the others have been away.

Ken (Kenetria, the host) has been away for some time and awakes on a dock, waiting for transportation to her new job as a caretaker on a remote estate on Hudson River Island. She’s unfamiliar with the island, her alter Della evidently applied for the job while Ken was away. When she arrives on Hudson River Island, she realizes that the house looks almost identical to the one she’s built in her mind to cohabitate with her other headmates. Has she been here before?

A surprise visit from the home’s conservationist catches Ken off guard. Meanwhile a strong weather formation is rolling in, making it impossible to leave the island. The conservationist isn’t the only surprise guest that will be staying on the island with Ken. When someone is found dead, Ken is the prime suspect. She must work together with her other headmates to find out what happened and clear her name.

What did I think?

This is a dark and addictive thriller with a unique premise and expert execution. The different identities all have their own clear personalities and roles, and seeing their thoughts about one another and what is happening in the shared journal offers surprising levity. I won’t lie that it is overwhelming at first as the reader is getting the hang of the various headmates that share Ken’s body. It quickly evens out, as it becomes clear that each plays a different role, has a unique personality, and even have different limitations.

The book is gripping from start to finish, the structure and plot are unique, and the setting was well-developed and unsettling. It’s a unique structure and narrative format that added layers to the story to wonderful effect. The dialogue among the headmates adds a lightness to a dark and twisted story. Themes of mental health are understandably present, but it also has a lot of subtext about race and class as well that can’t go unacknowledged.

Chilling, dark, addictive, and twist-filled—this is a must-read for those looking to expand their horizons!

Thank you to William Morrow for my copy. Opinions are my own.
Profile Image for Delaney.
624 reviews478 followers
December 25, 2023
The premise for this novel had a lot of potential, however, I don’t think it reached it. For a book set mostly within one characters head who has multiple personalities, you have to make the personalities interesting enough to keep the reader entertained and invested. I wasn’t attached to any of the personalities which we spent so much time with. Overall, a solid idea for a fresh book but lacking execution.

Also I will add, the Covid pandemic is mentioned several times so if you don’t want to be reading anything having to do with the pandemic, skip this one.

Thank you to the publisher for the gifted ARC
Profile Image for Devi.
216 reviews45 followers
May 4, 2024
How did it go so wrong for me when it had DID, which has been one of the most intriguing things for me since forever. The author's last book was a hit for me. I guess that's the reason I didn't wanna dnf😓
Profile Image for Sheila.
3,088 reviews123 followers
February 8, 2024
I received a free copy of, One of Us Knows, by Alyssa Cole, from the publisher and Netgalley in exchange for an honest review. Kenetria Nash is not like everybody else, she has dissociative identity disorder, or as most people know it as, multiple personality disorders, like Sybil. Kenetria gets a job as a caretaker of a historic home, but nothing is as it seems, then someone is murdered and Kenetria is prime suspect. Wow, what a ride. This was a good thriller, I enjoyed it, except for the swearing, which I did not care for.
Profile Image for Richelle Robinson.
1,289 reviews35 followers
March 13, 2024
Goodreads giveaway win


This was a highly anticipated story for me and sadly it didn’t work out in my favor. The story had a very slow start and things didn’t get interesting until well over 100 pages. 141 to be exact…….then when the action finally started I felt like things were rushed and I was left with more questions than answers. 😩


I will give Cole kudos for writing a unique thriller about a main character with Dissociative identity disorder and I really did feel each character was unique but keeping up with the different points of views at times was a little confusing.
Profile Image for CaseyTheCanadianLesbrarian.
1,362 reviews1,883 followers
April 20, 2025
Well this was an incredibly unique and mysterious thriller! Set in an old castle on an island in the Hudson River, it features a fascinating protagonist, Ken(etria) who has dissociative identity disorder. Ken has just reemerged after being dormant for 6 years, another of her headmates/personalities having fronted her body during that time. She has to adjust quickly to arriving at this creepy castle, apparently for a caretaker job, working with the enigmatic Celeste as groundskeeper. She doesn't know exactly what is up, but something shady is going on. When her ex and his dad show up with some other white dudes as the trust for the castle to continue a dangerous fucked-up "tradition" Ken and Celeste - two Black women - did not sign up for. Interesting queer and mental health representation with great tension and plot twists!
Profile Image for Matt.
967 reviews220 followers
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April 26, 2024
dnf@40%

as someone who LOVED Cole’s first thriller i’m so disappointed with this one. I’ve enjoyed DID books in the past but in this one i found the different personalities too hard to keep track of and not distinctive enough - and the story itself just wasn’t that interesting so i tapped out
Profile Image for Cheryl Jones.
79 reviews4 followers
January 12, 2024
The premise for this novel had a lot of potential, however, I don’t think it reached it. It was too all over the place for me.
Profile Image for The Bookish Bri.
116 reviews63 followers
June 13, 2024
Thank you CocoaChapters and William Morrow for my gifted copy.

This book was a highly anticipated read for me, as I loved the author's previous thriller. What this book left me with was straight confusion. I kept asking, Wtf was going on? Because I genuinely did not know. I started off reading this book, and when I saw the audio was available, I thanked God. I believe that was the only reason I got through this, plus the fact that I was on a bus ride where I couldn't sleep.

Let's get to the story at hand. I appreciated Alyssa putting the list of personalities at the beginning of the book. Too often, authors introduce a bunch of characters, and it makes it hard for people to follow along. The personalities were easy for me to distinguish; what became confusing was the inner world from the real world. Some of the personalities could be in the real world, and some of them couldn't, and the switching was chaotic, which made the book harder to digest. When it came to the twist, it fell flat on me and just left me with more questions than when the book started. There's a certain point of confusion I can entertain with a thriller, and this book went way past the threshold.

Keke would have to be my favorite personality out of all of them. I could follow along well with her when she was on the page, and she brought an emotional pull to the story. This story had a chance to go a different way, but it didn't. I found the DID focal point so interesting, and it was almost like you had to be well-versed in the subject or research it on the side while reading the book. I would not recommend this book, but I may give Alyssa another chance.
Profile Image for Monica.
707 reviews292 followers
August 12, 2024
Wow! So much to unpack with this story! It was a plot within a plot within a side story - I enjoyed the audio but would like to re-read a print version.

In summary, it’s a dark, gothic, ghost story with a lot of mental illness. The story of Ken alone would be amazing - throw in the super creepy island and I was hooked!
Profile Image for Jennifer *Nottoomanybooks*.
499 reviews60 followers
April 18, 2024
I was super intrigued when I first started this one. I loved learning about the DID personalities. But that is about it. It started to get boring after awhile and I ended up stopping at 50%.
Profile Image for Dana Marie.
252 reviews11 followers
March 3, 2025
This was really different and I liked it.
Profile Image for Tina Haigler.
327 reviews124 followers
November 8, 2024
"I wince into consciousness, eyes squeezed shut against the headache forking through my brain like lightning strike."

This was an interesting one. It really opened my eyes as I learned a great deal about DID (dissociative identity disorder--previously known as multiple personality disorder); I had no idea how much our understanding of it had changed and how ignorant I was about it.

As for the story, while I enjoyed learning about all the different characters, it didn't get exciting until about 2/3 of the way in; it wasn't even a very long book to begin with, and could've shed about 50 pages of character development from the beginning. We spent more time in her head than we did in reality but half and half would've been enough to get the author's intent across. I also could've dealt with a lot less snark; I normally enjoy a bit of uppitiness, but in this instance it seemed it was all the main character was capable of. It wasn't enough to stop me from reading, but it was sufficient to keep me from feeling a proper amount of sympathy towards her.

If you want to learn more about DID or you enjoy a slower buildup, then this is a good book to pick up; if you like your stories more fast-paced, or prefer more likable characters, this one probably isn't for you.

" 'Not for a minute.' "
Profile Image for Kurryreads  (Kerry).
932 reviews3,385 followers
December 7, 2023
3.5 stars… I thought the premise of this book was fresh, the plot itself was entertaining, and the ending was satisfying. However, I found it to be a little bit lacking in overall organization. I feel like there could have been a bit more attention to establishing each individual alter and Ken’s character beyond just a little blurb about their personalities or the little blog posts they write. I would have liked if there were anecdotes from the POV of each of the alters in relation to the overall story to develop more of a connection to them. It just seems like this book was trying to develop a plot with a complex idea without actually putting in the effort to establish the depth of it (I.e the world inside Ken’s head and how that operates beyond just the span of it’s portrayal in the present day.. if you read it I think this will make sense to you) I’m rambling at this point but I just think this idea was too complex to be as rushed over as it was in this book.
Profile Image for Emma Reid.
1,595 reviews44 followers
June 6, 2024
I'm confused why this book's ratings are so low because it's SO GOOD. It's Get Out meets Split, all mixed with Alyssa Cole's signature gaslighty thrills. It was also a nice exploration of dissociative identity disorder without falling into cliches. I loved the distinction between the personalities on audio, all performed by one narrator! I was confused for the vast majority of the book but it started to converge towards the end. This isn't necessarily a thriller for the faint of heart, but isn't quite a horror novel.

Ultimately I'm just glad that Keke got to pet a puppy.
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