은하계밖으로
Subtitle: U Pong-gyu sosŏl
Edition: Chʻopʻan.
Publisher: Chŏnggyŏng
Published: 1994
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 252
Other titles: Ŭnhagye pak ŭro