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UnWorld: A Novel Hardcover – June 17, 2025

4.0 out of 5 stars 55 ratings

Get 3 for the price of 2 Shop items
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From the author of Once More We Saw Stars comes a gripping novel about four intertwined lives that collide in the wake of a mysterious tragedy. Set in a near-future world where the boundaries between human and AI blur, the story challenges our understanding of consciousness and humanity.

Anna is shattered by the violent death of her son, Alex, and tormented by the question of whether it was an accident or a suicide. Samantha is Alex’s best friend, and the only eyewitness to his death. She keeps returning to the cliff where she watched him either jump or fall, trying to sift through the shards. Aviva is an “upload,” a digital entity composed of the sense memories of a human tether. But she’s “emancipated,” having left her human behind. Set free from her source and harboring a troubling secret, she finds temporary solace in the body of Cathy, a self-destructive ex-addict turned AI professor and upload-rights activist.

With
UnWorld, Jayson Greene envisions a grim but eerily familiar near-future where all lines have blurred—between visceral and digital, human and machine, real and unreal. As Anna, Cathy, Sam, and Aviva’s stories hurtle toward each other, the stakes of UnWorld reveal themselves with electrifying intensity: What happens to the soul when it is splintered by grief? Where does love reside except in memory? What does it mean to be conscious, to be human, to be alive?
"Layla" by Colleen Hoover for $7.19
From #1 New York Times bestselling author Colleen Hoover comes a novel that explores life after tragedy and the enduring spirit of love. | Learn more

From the Publisher

A richly layered novel says Hanif Abdurraqib
Gripping, tender, haunting says Suleika Jaouad
Invests artificial intelligence with a juicy heart says Samantha Irby
A meditation on what it means to be human says Alua Arthur

Editorial Reviews

Review

"UnWorld is a novel both situated in and structured by the excruciating aftermath of loss. . . . Greene’s meticulous characterization urges the reader toward a philosophy of human consciousness that acknowledges the obscurity of the mind while gently affirming two entwined, undeniable qualities of personhood: that sentience entails pain, just as it entails, for most, the desire to escape it.”
The Washington Post

“[UnWorld] is a story of grief, identity, and the struggle for connection. Greene dispenses with tedious sci-fi world-building and concentrates on the emotional journeys of the characters. . . . This is less I, Robot and more Ordinary People. . . . Humane and refreshingly idiosyncratic.”
The Wall Street Journal

"A lightly speculative story where intelligence may be artificial, but emotions are painfully real. . . . The best of
UnWorld marks a writer to watch."
The Boston Globe

"Haunting and deeply introspective. . . . Greene crafts a stunning narrative that is as emotionally resonant as it is thought-provoking, weaving together mystery and philosophical speculation with graceful, evocative prose. The result is a mesmerizing meditation on loss, technology, and the enduring nature of human connection."
Publishers Weekly (starred review)

"A mesmerizing novel in which boundaries between human and digital are as blurred as those between reality and imagination."
Kirkus

"UnWorld is a richly layered, deeply intimate novel that holds a mirror to the depths of our own loneliness and offers a meditation on how to continually love ourselves through a cascade of grief that changes but doesn’t end.”
—Hanif Abdurraqib, author of There’s Always This Year

"Gripping, tender, haunting, and so gorgeously written, UnWorld is a staggeringly beautiful debut novel. With nuance and subtlety, with grace and deep feeling, Jayson Greene writes about the most ancient of human stories of love and grief, alongside the pressing, hypermodern concerns of the digital age, like artificial intelligence. On an idea level, on an emotional level, and on a sentence level, I was entranced.”
—Suleika Jaouad, author of Between Two Kingdoms

"
UnWorld is a gorgeous, fascinating exploration of the tethers of love and grief. Jayson Greene invests artificial intelligence with a juicy, pulsating heart. There were sentences that made me shake my head in awe."
—Samantha Irby, author of Quietly Hostile

"In
UnWorld, Jayson Greene maps the shifting landscapes of the mind, where consciousness splinters and intertwines, revealing both the fragility and vastness of being. In a world where fractured selves whisper and artificial intelligence looms, his captivating storytelling is a mirror—revealing and illuminating the deepest nuance of this human experience. This mesmerizing novel is more than a story—it’s a meditation on what it means to be human, asking questions that echo long after the last page."
—Alua Arthur, author of Briefly Perfectly Human

About the Author

JAYSON GREENE is the author of Once More We Saw Stars and a contributing writer and former senior editor at Pitchfork. He lives in Brooklyn with his wife and son. This is his first novel.

Product details

  • Publisher ‏ : ‎ Knopf
  • Publication date ‏ : ‎ June 17, 2025
  • Language ‏ : ‎ English
  • Print length ‏ : ‎ 224 pages
  • ISBN-10 ‏ : ‎ 0593802187
  • ISBN-13 ‏ : ‎ 978-0593802182
  • Item Weight ‏ : ‎ 1 pounds
  • Dimensions ‏ : ‎ 6.34 x 0.83 x 9.51 inches
  • Best Sellers Rank: #638,586 in Books (See Top 100 in Books)
  • Customer Reviews:
    4.0 out of 5 stars 55 ratings

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Jayson Greene
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Customer reviews

4 out of 5 stars
55 global ratings

Top reviews from the United States

  • Reviewed in the United States on September 8, 2025
    Format: HardcoverVerified Purchase
    Intriguing book about the future and the now. What does it mean to be human ?
  • Reviewed in the United States on August 6, 2025
    Format: HardcoverVerified Purchase
    Loved this book! It's an engrossing pleasure to read. The world-building is so deft, lots of subtle clues about a near future with AI integrated into public space and daily life (no spoilers). But all of that evolves from characters and relationships that are emotionally rich and beautifully written. For all its intellectual heft and daring, the story is humbly told and all the more affecting for it. A novel from the head and the heart that doesn't overstay its ideas or sentiments. Very impressive.
  • Reviewed in the United States on June 30, 2025
    Format: Kindle
    I'm confused by UnWorld, I think I need to read it again or listen to it. I understand the characters, the concept, but I'm missing some puzzle pieces on how it all fits together with UnWorld the game. I have unanswered questions regarding Alex's being? If you pick this up can you explain it to me.
  • Reviewed in the United States on August 20, 2025
    Format: Hardcover
    What a scary time to be living in where we are finally at the AI stage of philosophizing and wondering whether or not AI can have sentient feelings and deal with grief after becoming close to their owner. This story of fiction is close to anything but, I came for the robot, but stayed for Cathy and Anna's perspectives. A sad look into the future and a tragic story with the only ending one could welcome, this novel was great ride.
  • Reviewed in the United States on June 20, 2025
    Format: HardcoverVerified Purchase
    Perfection in a book is hard to find. Jayson Greene draws the reader in and it’s difficult to put this book down. I also loved the intensity of the character development. Thank you once again for sharing your deep and meaningful work.
    2 people found this helpful
    Report
  • Reviewed in the United States on July 3, 2025
    Format: Kindle
    In the world of UnWorld, humans have the ability to accessorize their brains with a device that stores their memories. Smooths them out. Helps them organize their thoughts. Not quite an implant, as they are externally worn, but somehow these devices grasp the human's brain and intersect with it.

    Anna has a son, Alex, and a husband, Rick. Alex is 15 and a bundle of anxiety. Rick has the boundless enthusiasm and energy of a golden retriever. Both Alex and Rick feel too much, while Anna is more stoic. Anna was gifted an 'upload' by her husband for her 40th birthday. For eight years she's synced nightly with this non-human part of her brain. But when things go horribly, terribly wrong in her life, she can no longer handle having this extra voice inside her head. It has simply become too much.

    This was not an easy book to read. Some of the themes are very dark and tragic. The characters are all struggling with their own issues. But that being said, it's also an amazing dive into the human psyche. Each chapter covers a point of view of one of the main characters, starting and ending with Anna. While Anna really is central to the entire story, the true center is the 'upload.' This fictional bit of hardware that almost seems to have a soul is the main character and the reason for the story to exist.

    Quite creative in the sci-fi sense, this book really isn't science fiction. While the town Anna and the others inhabit is mostly run by AI, the people are just people like you and me. With the same quirks and habits. It's really very well done in the sense that you don't feel like you're going to an alternate universe.

    As I said, not the easiest book to read. But worth every minute spent reading. The character development and storyline are interesting. Well thought out and well constructed. I did enjoy it.

    Trigger warning: suicide and addiction
    2 people found this helpful
    Report
  • Reviewed in the United States on June 17, 2025
    Format: Kindle
    Conceptually, I think this book is interesting but the execution fell a little flat for me. While there are parts of this book that I found interesting and thought provoking, the writing style was not my favorite. I am very interested in AI and what our future with AI looks like so whenever I see a book like this come along, I am excited to give it a read. This one was just ok for me.
  • Reviewed in the United States on June 23, 2025
    Format: Hardcover
    Thanks to Knopf for the gifted copy. All opinions below are my own.

    Unworld is one of those books you want to go into kind of blind. It is in a future where you can choose to upload your conciousness and the debate is around that entity's rights and whether they are truly an individual. We follow a few characters as they deal with this idea after a shocking death.

    I am going to go back and forth on my rating for this one for a while I think. I equally loved it and was frustrated by it. It reminded me of a lot of five star reads I love that investigate this topic but at times the execution was a little frustrating for me. I wished the relationship between Alex and Aviva had been slightly different but then the ending was really great. I'm landing on four and a half but I've continued to think about it so depending on when you ask me, I might bump it to a five. This would definitely make a great book club book.

    Read this if you liked Klara and the Sun or the movie Her.