21-segi tae sasang
Subtitle: Chang Hwa-su Kyosu wa Tʻanhŏ Kʻŭn Sŭnim ŭi mirae yeŏn
By: Oyang Chang Hwa-su taedam, chippʻil.
Edition: Chʻopʻan
Publisher: Hyehwa Chʻulpʻansa
Published: 1996
Place of publication: Sŏul-si
Language: kor
Number of pages: 382
Subjects: Prophecies (Occultism) -- Korea.; Twenty-first century -- Forecasts.; Korea -- History -- Prophecies.
Other titles: Isibil segi tae sasang
Notes: Text in Korean and English.