Sublimation by Isabel J. Kim

“One of the best debuts of the year.” —John Scalzi, New York Times bestselling author of Starter Villain



Doppelgangers, corporate intrigue, heartbreak, betrayal, and the harsh permanence of the border: Sublimation is a thrilling and provocative debut for fans of Severance that asks what you'd sacrifice for a different life from award-winning author Isabel J. Kim.



“After Sublimation, the immigrant story will never be the same.” —Junot Díaz, Pulitzer Prize-winning author of The Brief Wondrous Life of Oscar Wao

The border cuts you in two.

When you immigrate, you leave a copy of yourself behind. One person enters their new country, the other stays trapped at home.

Some instances keep in touch, call each other daily, keep their lives and minds in sync in the hopes of reintegrating and resuming a life as one person. Others, like Soyoung Rose Kang, leave home at ten years old and never speak to their other selves again. Rose, in America, never imagined going back to Korea until her grandfather died and her Korean instance called her home for the funeral.

She doesn’t know that Soyoung plans to steal her body and her life.

How far would you go to live the choice you didn’t make?

At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.

Praise for this book

“In this dazzling parable of connection and isolation, Isabel J. Kim’s vividly crafted characters navigate identity, belonging, and the weight of a divided history.” —Scott Westerfeld, author of Uglies and The Mortons

“One of the best debuts of the year. Sublimation speaks to our moment, in ways we could not have expected.” —John Scalzi, New York Times bestselling author of Starter Villain

“Beyond candescent… after Sublimation, the immigrant story will never be the same. Kim is a nerve-wracker and a heart-render, a Seoul-lighter and a world-raveler; she also happens to be one of the finest writers working today.” —Junot Díaz, Pulitzer Prize-winning author of The Brief Wondrous Life of Oscar Wao

“Sublimation is one of the most powerful debut novels I've ever had the pleasure to read. It began blowing my mind from the first page.” —Mary Robinette Kowal, USA Today bestselling author of The Spare Man

“You can become the person who read this book, or the person who didn't. Don't be the one left behind.” —Seth Dickinson, author of The Traitor Baru Cormorant



“Sublimation speaks to one of our world’s greatest and most ubiquitous crises—the border—with the terrible precision of open-heart surgery.” —Vajra Chandrasekera, Nebula and Ursula K. Le Guin-Award winning author

“Isabel J. Kim is the most exciting new voice to hit speculative fiction in years. In a world desperately in need of new narratives around immigration and identity, Sublimation is the big bold brilliant book we have been waiting for.” —Sam J. Miller, USA Today bestselling author of Blackfish City

“An unsettling and suspenseful narrative about the borders that cross us and the selves we subsequently leave behind.” —Anton Hur, author of Toward Eternity

“Sublimation expertly weaves myth, fairy tales, and science fiction within an electrifying contemporary thriller to explore identity, memory, and the whims of borders.” —Jade Song, Author of Chlorine

“I have never felt more seen by a book in my life.” —Ai Jiang, Nebula and Ignyte Award-winning author of Linghun

“Sublimation is a heartrending and mind-bending novel about our slippery sense identity and desire—Essential reading for understanding today’s reality.” —Stephanie Feldman, author of Saturnalia

About the Author

Isabel J. Kim lives near New York City in an apartment filled with books and swords. She is the author of numerous short stories and has won the Nebula, Locus, and the Shirley Jackson Award. Her work has been translated into multiple languages and reprinted in multiple best of the year anthologies. When she’s not writing, she’s practicing law or podcasting. Sublimation is her first novel.

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Title: Sublimation
Author(s): Isabel J. Kim
ISBN: 9781250376800
Copyright 2026
Release Date: June 02, 2026
Publisher: Tor Publishing Group
Countries: United States, Canada | Learn more about available countries
Language: English
Format: None available | Learn More about our supported formats

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