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Read Time

8 min read

Our age bandAdult
Reader rating
4.4 · 41,618 Amazon ratings
reader ratings, not a LuvemBooks score
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Our review

Recursion

Recursion Review

Recursion by Blake Crouch follows NYPD detective Barry Sutton and neuroscientist Helena Smith as False Memory Syndrome and a memory-replay machine threaten time itself. Kirkus Reviews called it a mind-bender; bloggers split on its thin characters and tangled ending.

Our age band: Adultnuclear warfare · strong language

LuvemBooks Verdict

Best for

Readers who want a fast, idea-first time-and-memory thriller and are willing to trade deep character work for momentum and a philosophical hook.

Worth it if

Worth reading if you want a propulsive premise about grief and memory that holds your attention and gives a book club plenty to argue over, and you can tolerate a tangled final stretch.

Skip if

Skip it if you need characters to anchor you, since several reviewers found Barry and Helena thin next to the concept, or if you want a neat, easily followed ending, since the closing chapters get confusing as memory folds into memory.

Where reviewers agree and split

Readers rate it 4.4 on Amazon. The reviews we read that discuss it in depth split on some points:

Of the 3 reviews we read that discuss its plot, 2 praise the plotting, but 1 found the ending confusing.

  • Plot

    2 praise the plotting · 1 found the ending confusing

  • Characters

    1 finds the characters compelling · 1 finds the characters thin next to the premise

Plot

Praise

“The twists are good, the pacing never slips, and the plotting clicks together like a well-made watch”

— Amy Suto · Book blog
Praise

“Crouch delivers a bullet-fast narrative and raises the stakes to a fever pitch.”

— Kirkus Reviews · Trade review
Criticism

“The story does get rather confusing towards the end, as memory melds into memory and I wasn’t quite sure what was happening.”

— Eustacia Tan · Book blog

Characters

Praise

“This time with character development to match the plot’s brilliance.”

— Infinite Distractions · Book blog
Criticism

“I feel we don’t get to know them enough to really care about Barry and Helena.”

— The Book Dutchesses · Book blog
5 reviews weigh in (1 trade review, 4 book blogs); counts are per topic. A review counts only where we can quote it.

Reception leans positive but splits on the people. Some reviewers praised a bullet-fast, thought-provoking thriller with real emotional weight in its grief and love threads, and found character development matching the plot. The Amy Suto and Book Dutchesses bloggers felt the concept outran its characters, and the Eustacia Tan blogger found the ending confusing.

“A poignant love story is woven in with much food for thought on grief and the nature of memories and how they shape us”

— Kirkus Reviews
Sources: Kirkus Reviews, Infinite Distractions, Amy Suto, The Book Dutchesses, Eustacia Tan
4.4from 41,618 Amazon ratings— reader ratings, not a LuvemBooks score

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Was this helpful?

Recursion pairs NYPD detective Barry Sutton with neuroscientist Helena Smith as a spreading memory epidemic and a replay machine threaten the fabric of time. It is an idea-first thriller that moves fast, best for readers who want a philosophical hook over deep characterization, with the caveat that reviewers split on how well the people and the closing chapters hold up.
Is it worth reading?
For readers who want a propulsive premise, yes. Kirkus Reviews calls it "an exciting, thought-provoking mind-bender", and the Book Dutchesses blogger found it hard to put down and enjoyed discussing it in a book club. The honest caveat is split opinion: Amy Suto's blog marked down serviceable characters and simple prose, and the Eustacia Tan site found the ending confusing and was not convinced by the romance. Expect more momentum than emotional depth, depending on which reviewer you trust.
Similar books
The closest match is Crouch's own Dark Matter, the comparison nearly every reviewer reaches for; it is a single-protagonist story that some readers find easier to wrap their minds around. Readers drawn to quiet speculative fiction about what makes us human might try Klara and the Sun, while Project Hail Mary offers another fast, idea-driven science-fiction read. Upgrade is also by Crouch, though we have not reviewed it yet.
Who should read this?
It suits readers who read for the idea and the momentum, especially those who enjoyed the philosophical turn of Dark Matter and want a memory-and-time version. Book clubs are a natural fit, since the Book Dutchesses blogger loved discussing it with a group. It is a weaker match for readers who prefer complex character arcs or who want an ambiguous ending.
What age is it for?
Recursion is written for adults rather than younger readers. The Shelf Reflection review flags strong language (29 f-words, 14 s-words and one b-word) and a skip warning for readers triggered by nuclear warfare, and lists no sexual content. Parents considering it for a teen should weigh those points and the dense, confusing final stretch.
About Blake Crouch
Blake Crouch was born in North Carolina in 1978. He is a bestselling novelist who writes speculative thrillers built around cutting-edge scientific concepts.
Are there content warnings?
The Shelf Reflection review warns readers who are triggered by nuclear warfare to skip it, and lists strong language alongside no sexual content. Grief and a parent's Alzheimer's run through the story, per The Book Dutchesses, which may matter to some readers. No review we found covers other specific triggers.
Where should I start with Blake Crouch?
Sources split. The Shelf Reflection blogger preferred Dark Matter because she could wrap her mind around it more, and Amy Suto's reading order suggests Dark Matter and the Wayward Pines trilogy first. A reader happy with a more elaborate loop could begin here.
Are Barry and Helena worth caring about?
Reviewers disagree. The Infinite Distractions blogger saw Barry as a cynical, damaged cop and Helena as an idealistic scientist whose arcs matched the plot. The Book Dutchesses blogger said she did not get to know them enough to care, and the Amy Suto blog called the characters serviceable vehicles for the concept.
Summarize this book

Summarize this book

In 2018, Barry Sutton is called to a rooftop to talk down a woman suffering from False Memory Syndrome, a condition in which people remember whole lives they never lived. Meanwhile Helena Smith, driven by her mother's Alzheimer's, is building a memory chair that lets people re-experience their past. The two threads converge, and the stakes climb from a strange epidemic to the structure of time itself. Reviewers describe the book as a thriller about memory, grief and identity.

Follow up

Does the summary spoil anything?
Is there one main character or two?

Synthesized from verified book data & published reviews · How we review

Ask LuvemBooks

What would you like to know about Recursion?

Answers come from our editorial notes on this book. If we haven't covered something, we'll say so.

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Our Review

We review the evidence: published critics, reader verdicts and BookTube reviews, gathered and weighed with AI assistance and edited by LuvemBooks, rather than one reader's first-hand take.

Worth reading if you want an idea-heavy time-and-memory thriller, and can accept that reviews are split on whether the characters and the ending hold up. Kirkus Reviews called it "an exciting, thought-provoking mind-bender", while the bloggers who read it split on how much the people matter next to the premise.

What is the setup of Recursion?

Recursion is a thriller science fiction novel by Blake Crouch, first published in the United States in June 2019; this Ballantine paperback reprint is dated March 10, 2020. It opens in 2018 with NYPD detective Barry Sutton, who is called to a rooftop to talk down a woman suffering from False Memory Syndrome, a spreading condition in which people hold detailed memories of lives they never lived.
The second thread follows neuroscientist Helena Smith, who is building a "memory chair" meant to let people re-experience their past. She is motivated by her mother's Alzheimer's, as Kirkus Reviews describes it, and the two storylines are on a collision course.
Penguin Random House's page frames it as a thriller about time, identity and memory, with the stakes rising from a strange epidemic to the fabric of time itself. Barry and Helena share the lead more or less evenly, according to the blogger behind Eustacia Tan's site.

What did critics find in Recursion?

Kirkus Reviews had the most direct praise: it described "a bullet-fast narrative" that raises the stakes "to a fever pitch", with a love story woven in alongside material on grief and how memory shapes us. Kirkus also noted that Crouch returns to some themes from Dark Matter.
The New York Times Book Review, as Barnes & Noble prints its blurb, called it "Gloriously twisting... A heady campfire tale of a novel." Wikipedia's summary of the reception reports that critics described an "intelligent, mind-bending thriller" and said Crouch "effortlessly integrates sophisticated philosophical concepts into a complex and engrossing plot."
We have those two lines only through Wikipedia, so treat them as relayed.
The New York Times's own page for its review is more specific than the blurb: it calls the book built for summer reading and names Barry and Helena as the two central characters. The book blogger behind Infinite Distractions went furthest, saying the book felt like Dark Matter amplified, with character development to match the plot.

Is Recursion more than a puzzle box?

Opinion divides here. The blogger behind Infinite Distractions called Barry a cynical, damaged cop and Helena an idealistic scientist, and read the book as being about loneliness, grief and the human experience.
The blogger behind Amy Suto's site gave it four stars out of five but marked down the characters, calling them serviceable vehicles for the concept, and found the prose on the simple side. The blogger behind The Book Dutchesses said the book is mostly plot driven and that she did not get to know Barry and Helena well enough to care about them, though she was on the edge of her seat near the end.
The Bibliofile's reviewer also describes it as a plot-driven thriller. The blogger behind Eustacia Tan's site found it beautifully written and flowing like water, but was never fully convinced by the romance.

Where does Recursion lose some readers?

The clearest sourced criticism is difficulty and density. The blogger behind Shelf Reflection said she preferred Dark Matter because she "could wrap my mind around that one a little more", and found Recursion harder to follow, though still a good book.
The blogger behind Eustacia Tan's site said the story gets rather confusing towards the end as memory melds into memory, and that she could only somewhat grasp the ending. The Book Dutchesses blogger added that the book barely deals with False Memory Syndrome as the synopsis suggests and goes a different way.
Shelf Reflection's review also carries a skip warning for readers who are triggered by nuclear warfare. Its content advisory lists 29 f-words, 14 s-words and one b-word, with no sexual content.
The same reviewer said she would steer people who dislike time travel towards Dark Matter instead.

Is Recursion worth reading? Our take

Weighing these reviews, the tension the readers keep circling is between a premise they admired and people they found hard to hold onto. Kirkus Reviews and the Infinite Distractions blogger found real emotional weight in the grief and love threads; the Amy Suto and Book Dutchesses bloggers felt the concept outran the characters.
That points the book towards readers who read for the idea and the momentum: those who liked the philosophical turn of Dark Matter and want the memory-and-time version, and book-club groups, since the Book Dutchesses blogger loved discussing it with a group. It points away from readers who need characters to anchor them, and from anyone who wants a neat, easily followed ending.
It sits closest to Dark Matter, the comparison nearly every source reaches for. Shelf Reflection ranks Dark Matter as the easier entry and Infinite Distractions ranks Recursion above it, so first-time Crouch readers have a source for starting with either; Amy Suto's reading order suggests Dark Matter and the Wayward Pines trilogy first.
Readers who liked Dark Matter's single-protagonist clarity may find the recursive loop here more elaborate, as Shelf Reflection puts it, a broader thematic canvas.
Publisher-promoted praise on the Penguin Random House page includes a blurb from Andy Weir, but that is marketing, not independent assessment, so it is not weighed here.

Sources & Further Reading

The key facts and claims in this review are grounded in the retrieved, verified sources listed below.

  1. Cited in this review
  2. 1
  3. Further reading
  4. 2

    Blake Crouch, LuvemBooks

  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14

    Kirkus Reviews

Age & Reading Level

Our age band

Adult

Our age band groups books for browsing; it isn't an age a review gave.

Content to know about

nuclear warfare
strong language
grief over a parent's Alzheimer's

Best for: Written for adults; strong language and nuclear-warfare themes

Skip if you need characters to anchor a story or want a neat, easily followed ending

Blake Crouch on Recursion

Author Blake Crouch discusses his writing process, scientific inspirations, and books including Dark Matter, Recursion, and Upgrade.

Uploaded by Mike's Book Reviews, 2022 · Watch on YouTube ·

More from this interview on Blake Crouch's page →

The 'reverse Marty McFly' concept in Recursion

Crouch created Recursion around what he termed the 'reverse Marty McFly,' subverting the standard time-travel trope by exploring what happens when people actually remember the wiped timelines they previously lived.

“I had this idea of and I called it the reverse Marty McFly.”

Scrapping Recursion's climax to push extremes

Crouch discarded an entire completed ending of Recursion because he felt he had played the third act too safe, resolving to blow open the concept with looping timelines and apocalyptic scenarios.

“I hadn't taken the idea and exploded it out to its craziest expression.”
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