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  • Published: 4 August 2026
  • ISBN: 9780593688335
  • Imprint: Knopf US
  • Format: Paperback
  • Pages: 224
  • RRP: $39.99

Unworld

A Novel




NAMED A NOTABLE BOOK OF THE YEAR BY THE WASHINGTON POST • 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.

"Gripping, tender, haunting, and so gorgeously written, UnWorld is a staggeringly beautiful debut novel.” —Suleika Jaouad, author of Between Two Kingdoms

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?

  • Published: 4 August 2026
  • ISBN: 9780593688335
  • Imprint: Knopf US
  • Format: Paperback
  • Pages: 224
  • RRP: $39.99

About the author

Jayson Greene

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.

Praise for Unworld

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

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