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My Sister’s Secret

Not yet published
Expected 18 Jun 26
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A gripping and emotional suspense about two sisters and the dark past that binds them, from the eight-time Sunday Times bestselling author.

'JANE IS THE QUEEN OF FAMILY MYSTERIES' ANDREA MARA


Two sisters, bound by a secret that could tear them apart . . .

Rosy is the responsible one, well-behaved and organised. Amy is the free spirit, always breaking the rules. But despite their differences, they can never be apart. Only they know what happened that day and one wrong move could destroy them both.

When Amy confides in her new psychiatrist, he begins to suspect one sister is covering for the other. His gut tells him to run, but his own dark past draws him ever closer to the two women, and they to him.

As cracks form in the sisters' carefully constructed facade, one thing becomes three's a crowd, and one of them has to go.

Kindle Edition

Expected publication June 18, 2026

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84 people want to read

About the author

Jane Corry

21 books1,723 followers
Jane Corry is a Sunday Times and Washington Post best-seller. After working as a journalist for many years, she took a job as a writer in residence of a high-security male prison out of financial necessity. But she became hooked.

Novels include MY HUSBAND'S WIFE, BLOOD SISTERS, THE DEAD EX, I MADE A MISTAKE, I LOOKED AWAY, THE LIES WE TELL, WE ALL HAVE OUR SECRETS,COMING TO FIND YOU and I DIED ON A TUESDAY. Her next novel come out in June 2025. Title to be announced soon!

She is published by Penguin in the UK and Doubleday in Canada and the US.

You can find Jane on Twitter, Instagram, Tik Tok, Threads and Facebook . Also on www.janecorryauthor.com

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5 stars
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Displaying 1 - 29 of 29 reviews
Profile Image for Gordon Smart.
Author 5 books4 followers
December 19, 2025
I’ve read a couple of Jane’s other books and enjoyed them but this one didn’t work for me. It’s about two sisters Amy and Rosy with sibling rivalry and a dark past, one of whom is in a private psychiatric hospital. They both become involved with a doctor, James, there who has a dark past of his own. Sounds promising? Unfortunately the plot spins out of control and there’s just too much unbelievable stuff thrown in. The other problem with the proof copy I read was that there were a number of times where the narrative viewpoint, which alternates between the three main characters from chapter to chapter, switched unexpectedly mid-chapter to a different character’ viewpoint and this didn’t seem to fit. Hopefully it can be re-edited before publication. Thanks to Netgalley and Penguin for this ARC in return for an honest review.
Profile Image for Leanne.
279 reviews2 followers
February 11, 2026
Thank you to NetGalley and the publisher for the opportunity to read this book in exchange for an honest review.
This story follows sisters Rosy and Amy, who share a dark secret from their childhood. After their father “disappears,” Amy is institutionalised for five years, believed to be responsible for his death — something their mother insists must never be spoken about. The premise is intriguing and definitely kept me reading.
I’ll say upfront that I was engaged throughout, but the book felt very long — almost as though it could have been two separate stories. The pacing dipped in the middle and at times became repetitive.
Some of the twists didn’t surprise me, particularly the revelation about their father, but what I struggled with more was the logic behind certain plot choices. I couldn’t understand why the father never contacted his daughters, or why the mother allowed them to believe he was dead for so long. The handling of Amy’s time in the psychiatric hospital also felt uncomfortable and, at times, unrealistic.
Dr James Starling’s character added another complicated layer. The dynamic between him and both sisters was unsettling, and some of his chapters were particularly difficult to read. His behaviour — especially when he claims to love Rosy while actively plotting harm — felt disturbing rather than suspenseful. I also found the justification of misogynistic behaviour through a difficult childhood troubling. There’s no excuse for violence towards women, and that aspect didn’t sit well with me.
The final stretch became increasingly implausible, with a few twists too many, which made the ending feel slightly over the top.
Overall, the story held my attention and I did want to know how it would end, but the length, uncomfortable dynamics, and far-fetched conclusion lowered my rating slightly for me.
This entire review has been hidden because of spoilers.
Profile Image for Leanne.
848 reviews79 followers
Review of advance copy received from Netgalley
January 27, 2026
My Sister’s Secret is Jane Corry doing what she does best: taking a seemingly ordinary family bond and peeling it back to reveal something far more complicated — and far more dangerous. From the first chapter, there’s this simmering tension between Rosy and Amy that makes you lean in, knowing their shared past is going to explode sooner or later.

The contrast between the sisters is so well drawn: Rosy, steady and controlled; Amy, impulsive and unpredictable. But Corry never lets you settle into easy assumptions. The secret that binds them is teased out with just the right amount of restraint, and every new reveal shifts your understanding of who’s protecting whom.

James, the psychiatrist caught in their orbit, adds another layer of intrigue. His own troubled history makes him both vulnerable and suspicious, and watching him get pulled deeper into the sisters’ world gives the story a deliciously claustrophobic feel.

What I loved most is how the tension builds quietly at first, then sharpens as cracks begin to show. The psychological undercurrents, the shifting loyalties, the sense that someone is always one step away from doing something irreversible — it all comes together in a way that feels both emotional and genuinely gripping.

A compelling, twist‑laced family mystery that keeps you turning pages and questioning every motive. Jane Corry proves once again why she’s such a standout in this genre.

with thanks to Jane Corry, the publisher and netgalley for the ARC
Profile Image for Ceecee .
2,770 reviews2,338 followers
Review of advance copy received from Netgalley
January 19, 2026
2.5 stars

Two’s company, three’s a crowd or maybe deadly. This ménage a trois concerns siblings Amy and Rosy and Dr James Starling. Amy has been in and out of mental health institutions for years, making little discernible progress. What lies at the heart of her extreme reaction when her older sister Rosy arrives at St Cuthberts at the invitation of Dr Starling? Deeply buried secrets or extreme sibling rivalry?

I’ve read quite a few Jane Corry novels over the years and enjoyed them, however, this one greatly disappoints me. I don’t find the characters at all convincing especially that of Amy who appears to be more like a petulant child than anything else. It’s far too long and the author keeps chucking things into the narrative, creating an unbelievable and over egged plot. Some things seem to be irrelevant and others, such as long-term situations, are resolved in a sentence. There’s twist after twist until it gets totally outlandish. Finally, it’s not particularly well written either with short sentences and paragraphs making it feel very basic.

This is far from the authors best work in my opinion although it’s fair to say that other readers have enjoyed it way more than I have, so be sure to check those in order to get a balance of view points.

With thanks to NetGalley and especially to Penguin General UK for the much appreciated early copy in return for an honest review.
Profile Image for Andrea.
159 reviews5 followers
February 5, 2026
Review of ‘My Sister’s Secret’ by Jane Corry, due to be published on 18 June 2026 by Penguin General UK - Fig Tree, Hamish Hamilton, Viking.

Two sisters, bound by a secret they have sworn never to tell.  Amy - living in a mental health institution never recovering from the events of the night her father left home, and Rosy - the older sister left behind to live her life, not wanting to see Amy for fear of the truth coming out.

When Amy gets a new therapist, the seemingly dashing Dr James Starling, he thinks he can help Amy by speaking to Rosy. He feels an attraction to Rosy, not realising that Amy has crossed over into being infatuated with him, prepared to get out of the institution and have him for herself whatever the cost, but James hides dark secrets of his own that he is desperate to keep hidden.

This was a punchy story, told across three points of view, telling the unhinged truth of what is being hidden together with unsettling backstories of abuse and neglect. Whilst both Rosy and Amy are strong characters, you find yourself willing them to see the red flags in front of them, James leaving you with a growing sense of unease and questioning his every move.  It’s tense, unnerving and unflinchingly raw in its depictions of mental health crisis. There are twists and turns aplenty tied up in a bow for satisfying ending.  A recommended read.
130 reviews5 followers
December 20, 2025
Thanks to Jane and NetGalley for allowing me to read My Sister’s Secret before the publication date.
Secrets are the author’s stock in trade and this book has an abundance of them.

Each chapter is narrated by a character who presents their view of events, pulling the reader into the story and giving an insight into each character….until gradually a different side of their character is revealed.

Older by 7 years, Rosy recalls how her childhood was disrupted when Amy was born.
Difficult from a young age, Amy is demanding, devious, manipulative, full of rage and quick to throw tantrums.
By the age of 16, she was using drugs. The night her father left home, Amy had a mental breakdown resulting in her being sectioned.
4 years later and she remains in a private mental health rehab unit, yet she still uses the same traits to gain control.

Consultant Psychiatrist Jame Starling ( the choice of name conjured up images of a horror film) has arrived with new techniques and a bag full of therapies.

When Rosy is asked to talk to Starling, Amy is infuriated that he is paying attention to Rosy.
With the secret the sisters share, will one of them reveal it?

But they are not the only people with secrets.
281 reviews7 followers
Review of advance copy received from Netgalley
January 7, 2026
Another good book read and enjoyed. Rosy was 7 when Amy was born and things became difficult for her in her childhood. Amy was a difficult child, always getting Rosy into trouble and was very manipulative. They grew apart but then something happened in the family to make matters worse. Amy was always getting into trouble and did not take any notice of home rules. By the time she was 16 she was off the rails and staying out late and mixing with the wrong crowd. Amy came home one evening and everything went awry. Amy had a mental breakdown and was sectioned. The psychiatrist at the hospital changed and Dr Starling started working there. Amy became infatuated with him and this lead to an unwanted pregnancy. In comes Rosy to bend to Amy again . Amy wanted Rosy to take care of the baby as she was not capable or interested in doing so. One thing leads to another and after visits by Rosy visiting Amy James Starling becomes infatuated with Rosy which leads to more mental trauma for Amy when she realises that James in not at all interested in her at all. The book continues with so many twists and turns by the trio and eventually things do right themselves in the end although it takes many steps by the sisters in achieve this. Good book
2 reviews
Review of advance copy received from Netgalley
January 27, 2026
My Sister’s Secret is everything I love about a Jane Corry novel: fast‑paced, emotionally charged, and brimming with twists that keep tightening until the final pages. From the very first chapter, the tension between Rosy and Amy pulls you in — two sisters bound not just by blood, but by a secret powerful enough to destroy them both.
Rosy, the steady and responsible one, and Amy, the impulsive free spirit, are such sharply drawn characters that you feel the strain of their bond with every chapter. When James, Amy’s new psychiatrist, enters the picture, the story takes on an even darker, more unsettling edge. His suspicions — and his own complicated past — add a brilliant layer of psychological intrigue. You’re never quite sure who’s telling the truth, who’s hiding what, or who might be manipulating whom.
As the cracks in the sisters’ story begin to widen, the tension becomes deliciously claustrophobic. The sense that “three’s a crowd” hangs over every interaction, and Corry plays with that dynamic masterfully.
Fast, twisty, and impossible to put down, this is Jane Corry at her best. Fans of psychological suspense will devour it.
Profile Image for Kayl_may.
450 reviews2 followers
Review of advance copy received from Netgalley
January 9, 2026
Having read my first Jane Corey book last year and absolutely loving it, I was excited to be offered the chance to read her new novel. The synopsis sounded right up my street and it did not disappoint!

The story revolves around two very different sisters Amy and Rosy, a secret that binds them together and their involvement with Amy’s psychiatrist James, who has a dark past of his own.

I was gripped from the first chapter, and found it a real page turner. There was lots going on and always that feeling of unreliable narration which added to the suspense. I literally didn’t know how the story was going to unfold and that kept me fully engaged throughout.

The story is told through Amy, Rosy and James’ perspectives which made it an even more engaging read as you got to see things from all parties which I always enjoy. I’d recommend this to any psychological thriller reader.

I’m excited to read more from her back catalogue!

Thank you to Jane Corey’s team at Penguin General and NetGalley who provided me with an advanced readers copy of this book in exchange for an honest review.
Profile Image for Karen.
353 reviews6 followers
Review of advance copy received from Netgalley
January 17, 2026
We meet sisters Rosy and Amy in the private psychiatric hospital where Amy is being treated by James for mental health issues which started when their father disappeared from their lives six years ago. Soon both sisters' and James's lives are inextricably linked - and the secrets each keeps threaten to come spilling out.
This is a real page turner., Told from Rosy, Amy and James's point of view, the narrative is fast-paced, with twists around every corner, and over-arcing tension and impending danger.
None of the main players is wholly reliable, and I was soon engrossed in trying to figure out what had happened in their pasts that made them the people they are now. At first, Amy is an obvious villain, very difficult to love, but continuing character development is an important part of the narrative.
Jane Corry may not be the most lyrical of writers but she certainly knows how to tell a thrilling story and how to get her characters under the reader's skin. I think this story cements her place on the best-sellers' lists.
Profile Image for Victoria Baldin.
264 reviews3 followers
Review of advance copy received from Netgalley
January 24, 2026
My Sister’s Secret by Jane Corry
Rosy and Amy may be sisters, but they could not be more different. Rosy, who is older than Amy by eight years, is the responsible sister, characterised by her organised and well-behaved demeanor, Amy is the free spirit who completely ignores social conventions and rules.

Despite their contrasting lifestyles, the sisters are inseparable due to a singular event from their past—a day only they truly understand. This "Shared Secret" serves as the primary engine for the story's suspense, as any misstep by either sister threatens to destroy them both.

When Amy begins to see a new psychiatrist, James, the tension escalates as Amy begins to confide in him, James starts to suspect the sisters are hiding something. James has his own dark secrets that draw him closer to the sisters, leading to a dangerous situation where "three's a crowd" and their carefully constructed lives begin to crack.

I would like to thank Net Galley and Penguin General UK Publishers for a copy of this eBook in exchange for an honest review

Profile Image for Sandie McCormack.
293 reviews5 followers
Review of advance copy received from Netgalley
January 3, 2026
I always love her books, and this one did not disappoint. This was a gripping, emotional suspense story that pulled me in from the very first page. The relationship between the two sisters is so complex, believable, and unsettling in the best way. Their shared dark past hangs over every chapter, creating a constant sense of tension.

James the psychiatrist has his own secrets which start to unravel, which makes the story more exciting as it keeps you guessing all the way through, Rosie is very likeable not sure about Amy she is very complicated and I’m sure they wished they had never met James.

. The slow unraveling of the truth kept me guessing, and the twists were both shocking and satisfying.

Dark, compelling, and beautifully paced, this is another brilliant story . I couldn’t put it down definitely recommend

Thank you to Netgalley and Penguin Random House for an ARC
9 reviews
Review of advance copy received from Netgalley
February 14, 2026
I devoured this in a single day — it’s that gripping. From the opening line, “I met my husband in a psychiatric hospital,” I was completely hooked.

The story is a tense, adrenaline-fueled rollercoaster about the secrets and invisible threads binding two sisters, and the suspense just keeps building.

I’ve read all of Jane Corry’s books, and while they work as standalones, I loved the subtle callback to a character from I Looked Away. The exploration of trauma and how the brain reshapes or buries memories added an extra layer of intrigue.

A quick heads-up: there are some heavy triggers, particularly around abuse, that may be difficult for some readers.

Overall, if you love fast-paced domestic thrillers that pull you in from page one and don’t let go, this one’s for you.

Thank you to Net Galley and Penguin Books for this ARC. All opinions are my own.
Profile Image for Michelle.
678 reviews5 followers
Review of advance copy received from Netgalley
January 28, 2026
Sisters Rosy and Amy hide a dark past. A big secret that has sent Amy into a private psychiatric unit. It's here she meets Dr James Starling. Both sisters fall for him, but James is hiding a secret from his own past.
This sounded really good, and it started off well. I was gripped until about halfway through when it tailed off a bit and became a little repetitive. Then the pace picked up, but I'm sorry to say that towards the end, it just got too implausible. I feel the author was trying too hard, and there were way too many twists.
I really like this author, so I'm hoping this one is just a blip.
Thanks to Netgalley and Penguin General Uk for the invitation to read this in return for an honest review.
Profile Image for Dani.
279 reviews24 followers
February 1, 2026
Thank you to NetGalley for the ARC of My Sister’s Secret by Jane Corry

This was a tense and emotionally driven psychological thriller that kept me engaged throughout. There were scenes based around mental health and a mental health ward that explored the deep mistrust and emotional toll of the sister’s relationship.

The author balances mystery with emotional depth very well, exploring family bonds, loss and the unreliability of memory. The dual timelines are effective, gradually revealing clues while keeping the tension simmering. The pacing is measured rather than fast, but it suits the reflective tone and allows the characters to feel fully formed.
A thoughtful, character-led thriller with a strong emotional core. A solid four star read.
Profile Image for Sophie’s Bookshelf.
7 reviews2 followers
Review of advance copy received from Publisher
February 13, 2026
**REVIEW OF ARC COPY RECEIVED FROM PENGUIN**

This was my first time reading a book by Jane Corry and I enjoyed the plot of this book a lot - I will be getting more of her work for my bookshelf.

Parts of the execution of the plot however did feel unbelievable and the ending felt somewhat rushed. There were parts of the book which felt long and drawn out, spending significant unnecessary time as one of the three narrators (I also question why James and Rosy were in first person but Amy’s perspective was third?) and then some of James’ motivations which could have been gone into in more detail through his POV were very skimmed over.

Over all I would recommend this book.
Profile Image for Christine Rennie.
2,995 reviews43 followers
January 31, 2026
My Sister’s Secret by Jane Corry is the story of two sisters, Rosie is the responsible one, well behaved and organised and Amy is the free spirit who always does what she wants.The two sisters are bound by a secret that could tear them apart. Only they know what happened that day and no-one must ever know.
When Amy has a breakdown she has feelings for her new psychiatrist, James Starling will cause problems for both sisters until the day he dies.
A fascinating and complex psychological thriller.
Highly recommended
246 reviews6 followers
January 3, 2026
Thank you to NetGalley for the review copy. A promising start with family secrets, warring sisters, and a psychiatric facility with a doctor with secrets of his own. However, it all becomes far fetched, as if the plot is being rushed along, rather than being allowed to develop and create suspense. In addition, there are errors in tenses, narrative switching to another character mid chapter that need editing before publication. DNF
Profile Image for Lindsay.
1,367 reviews31 followers
Review of advance copy received from Netgalley
December 22, 2025
This is a dark and heartbreaking tale of a young woman’s who’s life has been destroyed by a long buried secret and is stuck in a mental health facility fighting demons when she meets a charismatic doctor who changes the lives of both her and her sister. I can’t say much without spoiling this one so just fo say it’s a great read not to be missed!
242 reviews4 followers
Review of advance copy received from Netgalley
December 30, 2025
An enjoyable, fast paced read. Plenty of twists and turns – some of which were unexpected. There was a lot going on , perhaps a few too many twists, which made the storyline a little less believable. Nevertheless, I was invested in finding out what happened and read in a two days. I do enjoy books by this author.
942 reviews22 followers
December 31, 2025
I love this authors books and this one was the perfect read to end my year of reading with. It had me hooked from the very first page and I read it in almost one sitting late into the night. This is a fast paced dark and gripping read with lots of twists and turns and hidden secrets that has you wanting to know more with every turn of the page.
1,583 reviews
Review of advance copy received from Netgalley
January 4, 2026
This was a very sad story in many ways. A father leaves his family to go off with another woman. What happened that affects the lives o. f his daughters psychologically. Their mother dies and they leave the family home, Eventually their past life comes back to haunt them after a connection with a psychologist. Everything eventually unravels and leads to a settled future. Very dramatic conclusion.
Profile Image for Fiona Pullen.
Author 4 books23 followers
Review of advance copy received from Netgalley
December 18, 2025
This book started off well, it was fast paced and gripping with lots of twists and turns.

However, there were just so many twists that by the end it just no longer felt believable. A bit too much going on.
Profile Image for Susan Wheatcroft.
137 reviews2 followers
January 5, 2026
I was given a pre-release copy (what a honour as I really rate Jane Corry’s books!). This wasn’t my favourite of hers but I was kept hooked with the twists and wanting to find out how it ended.

Would recommend.
Profile Image for Caron.
184 reviews
Review of advance copy received from Netgalley
January 14, 2026
I didn't really enjoy this book which is a shame as I've read Jane Corry's books before and liked them. I found the story went on a bit and the plot was far fetched and found myself checking a lot to see how long I had left to read. Unfortunately not for me. Thanks to NetGalley for my ARC.
Profile Image for Carol Mageean.
278 reviews5 followers
Review of advance copy received from Netgalley
January 23, 2026
started this book with enthusiasm and then found halfway through I lost interest but persevered only to find the storyline at 75% to far fetched and silly that I then decided not to finish apologies but on this particular occasion not a book for me!
Profile Image for Carol.
335 reviews4 followers
Review of advance copy received from Netgalley
December 24, 2025
I absolutely loved it. It's an extremely addictive read with plenty of twists, turns and surprises. Highly recommended.
Profile Image for Rosetta.
5 reviews1 follower
Review of advance copy received from Netgalley
December 30, 2025
Slow starter but enjoyed the many twists and turns until the very end. Thanks to Netgalley for the advance copy 🌟
Profile Image for Kirsty Feltham .
52 reviews
February 14, 2026
Thank you to NetGalley and Penguin Random House UK for sending me an ARC of My Sister’s Secret by Jane Corry.

I have read several of Jane Corry’s books, and while I did enjoy this one, it doesn’t quite match the storytelling style I’ve loved in her other novels, two separate timelines that weave together so beautifully.

I was intrigued by the synopsis and was made to think from the very start. You gradually get to know both sisters, but just as you think you’ve cracked the code on the secret, you’re hit with a twist or two!
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