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Tell Me an Ending: A New York Times sci-fi book of the year
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'Compelling' GUARDIAN
'Incredibly well written . . . I really enjoyed it' MARIAN KEYES
'One of the most sophisticated works of science fiction I've read recently' NEW YORK TIMES
The promise at Nepenthe is simple: they will erase the memories you cannot live with.
After the procedure, psychologist Noor will assess you for two things: your mental wellbeing, and the successful erasure of the memory. But there is no assessment if you choose to delete the memory of the Nepenthe procedure itself. If you do that, you're on your own.
And what if one day, out of the blue, your memory is offered back to you - would you want to remember what you've chosen to forget?
'Extraordinary' EMMA STONEX
'Riveting' KAREN THOMPSON WALKER
'Utterly captivating' LUCY CLARKE
Thought-provoking. I loved it' MARCEL THEROUX
- Print length544 pages
- LanguageEnglish
- PublisherPenguin
- Publication date5 Jan. 2023
- Dimensions12.9 x 3.3 x 19.8 cm
- ISBN-101529158613
- ISBN-13978-1529158618
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The Names: 'The best debut novel in years' Sunday TimesPaperbackUSD 12.40 delivery58% offLimited time deal
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Review
Incredibly nicely written . . . [Jo Harkin] writes really well about human beings. I really enjoyed it -- Marian Keyes
This compelling cautionary tale is set in an alternative present where it's possible to have painful memories removed . . . Interconnecting narratives by multiple character . . . weave into an ensemble piece that raises fascinating questions about how we use memory both to create and dismantle ourselves, and the ultimate mystery of who, or possibly what, "myself" actually is ― Guardian
A narrative that is as page-turning as a thriller, and as thought-provoking as an inquiry into the human mind should be ― i Paper
An extraordinary novel-- intelligent and searching, with deep questions about humanity, history and self. Expansive in its scope and themes, but never losing touch with its characters' hearts and minds, Tell Me an Ending is gripping, inventive, and a memory I'll never forget -- Emma Stonex
Beautifully drawn, sympathetic and with complex characters. I stayed up all night - I literally couldn't put it down -- Carys Bray
Tell Me An Ending is a triumph of a novel . . . it asks searching questions about our relationship with memory, and each other. I loved it -- Emylia Hall
A smart, thought-provoking page-turner. I loved it -- Marcel Theroux
Perfect for fans of David Mitchell, it's a twisty and compelling exploration of what might happen if humans were able to erase painful memories ― iNews
Sharply, beautifully written and punctuated with wry, slanted asides, Tell Me an Ending is one of the most sophisticated works of science fiction I've read recently ― New York Times
About the Author
Product details
- Publisher : Penguin
- Publication date : 5 Jan. 2023
- Language : English
- Print length : 544 pages
- ISBN-10 : 1529158613
- ISBN-13 : 978-1529158618
- Item weight : 370 g
- Dimensions : 12.9 x 3.3 x 19.8 cm
- Best Sellers Rank: 108,988 in Books (See Top 100 in Books)
- 209 in Dystopian
- 537 in Science Fiction History & Criticism
- 650 in Science Fiction Short Stories
- Customer reviews:
About the author

Jo Harkin’s debut speculative fiction novel, Tell Me An Ending, was a New York Times Book of the Year. Her first historical novel, The Pretender, will be published in April 2025 in the U.K. and US. She lives in Berkshire, England.
Customer reviews
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Top reviews from the United Kingdom
- 5 out of 5 stars
Originality and great story telling
Reviewed in the United Kingdom on 1 February 2026Five stars from me for the originality of this debut novel (this is my second Jo Harker read after The Pretender). I am huge fan of David Mitchell, Andrew Miller and Claire North and it is refreshing to find another author who brings something different to the table than formulaic adherence to genre (not a murder in sight here), combined with a great story telling ability and understanding or the human condition. I’m impressed that she had produced two engaging novels in such different settings - contemporary alternative reality and Medieval, both with a diverse cast of interesting characters . Definitely an author to watch for the future and doubt whether Jo will remain shackled to any specific literary tradition or period.
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThank you. We’ll investigate in the next few days.Sorry, We failed to report this review. Please try again - 4 out of 5 stars
Interesting and very well written
Reviewed in the United Kingdom on 5 July 2023I enjoyed this novel a lot, partly because of the beautifully spare and crisp writing and partly because of the slow and careful way the characters were developed.
The premise was good too - if you had a deeply distressing memory would you want it removed. And if you were later offered it back, would you want that? This novel suggests ways in which people might be affected and how it might be handled by a tech corporation which leads to a degree of suspense - after all you don't expect companies making money from new and suddenly suspect technology to be squeaky clean do you?
A subtle and fresh approach to sci fi with wonderfully human characters and, amazingly and delightfully, not a cliche in sight. Brilliant.
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThank you. We’ll investigate in the next few days.Sorry, We failed to report this review. Please try again - 3 out of 5 stars
Interesting storyline but dragged out
Reviewed in the United Kingdom on 13 May 2023Had a new year resolution to ensure I read at least a book a month. Read 2 a month from Jan to Mar. Started reading this in March and still could not finish the book in May.
I love the dystopian genre and the storyline sounded really interesting. Agree with another comment that this would make a great hour episode for Black Mirror. However the book dragged out too long and characters were not engaging. I have given up and moved on.
Could someone tell me the ending?
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Good.
Reviewed in the United Kingdom on 30 November 2025Really enjoyed this book.
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThank you. We’ll investigate in the next few days.Sorry, We failed to report this review. Please try again - 4 out of 5 stars
nuanced stories, no obvious answers
Reviewed in the United Kingdom on 4 July 2023I thoroughly enjoyed reading this book from an ethical and philosophical point of view. The characters like stories somehow connect to one another.
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThank you. We’ll investigate in the next few days.Sorry, We failed to report this review. Please try again - 3 out of 5 stars
Disjointed
Reviewed in the United Kingdom on 28 August 2022If you could delete a traumatic memory, would you? Then later on, would you want it back? That is the question raised here amongst some different people who either did it, or who worked with the people that did. Very disjointed, jumps from different stories to philosophically discussing everything, so it doesn't flow so well
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThank you. We’ll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Great read
Reviewed in the United Kingdom on 4 August 2025Rilliamt!
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Well crafted and thought provoking tale.
Reviewed in the United Kingdom on 3 March 2023Very enjoyable read , It created a lot of personal reflection and self analysis on how past experiences can dramatically affect the person you are today.
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Top reviews from other countries
Misery2 out of 5 starsNot my type
Reviewed in Canada on 17 June 2024I read this in a curiosity that I'd get a better explanation than the story held. I didn't understand the connection to each character until I had hit the 70% mark. The fact it took that long has me baffled and I wonder: was it me and it went over my head or did those story have poor explanation.
I've had this book on my list for MONTHS. I started it after Christmas I believe and just..managed to finish now. It was hard to stay interested and I did feel like giving up.and letting it go but I was determined to see it through as there were two characters that I was curious about. I was not happy with Noor and Louise's characters. I felt like a lot of noor's narration was just filling a gap. Maybe it's just me, and this is not my type of book. I'm content in letting this one go.
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Phipedro5 out of 5 starsExploration of memory and its consequences
Reviewed in the United States on 7 May 2026The SF set-up is a way into a beautifully plotted exploration of memory, it's accuracy and what having it available in any form might mean.
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Antonio Rodriguez3 out of 5 starsfantastic premise, great start but the story drags
Reviewed in the United States on 4 February 2023I loved the premise of this book from the start. The writing is excellent. But the story drags at the 50% mark and does not regain steam. And in addition, a few of the many characters you have to follow don’t end up being relevant in the end.
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Davinci5 out of 5 starsThe best book I've read this year.
Reviewed in the United States on 31 August 2022Harkin takes on a high level challenge with this book. Multiple timelines, multiple viewpoints, a science fiction scenario filled with philosophical musings, real world references, and a question at the heart of it all: If you could give up your most painful memories, would you? And if you did, would you still be the same person?
I was hooked from the opening pages, as a cast of well written characters, each with their own flaws, beliefs, and traumas, search for the answers hidden in their pasts.
I would recommend this book to anyone looking for a thought provoking story that will leave you with a new perspective on memory, pain, and the human psyche.
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Taylor3 out of 5 starsPotential was there
Reviewed in the United States on 1 January 2024The potential was there for this book and I was really excited for kt. Just felt the author got bored
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