나의 우주 영웅에 관하여
From Author Wars - https://authorwars.com/books/nayi-uju-yeongunge-gwanhayeo-3211100.html
Variant Titles:
Editions/Publications:
- Unknown. 우리가 빛의 속도로 갈 수 없다면 (Unknown, 김초엽, 허블, ISBN-10: 9791190090018, 341 pages, Hardcover, Collection)
From Author Wars - https://authorwars.com/books/nayi-uju-yeongunge-gwanhayeo-3211100.html