Hikari aru toki o iki yo
Subtitle: zettaiteki shōri e no michi
By: Ōkawa Ryūhō.
Edition: Shohan.
Publisher: Kōfuku no Kagaku Shuppan
Published: 1992
Place of publication: Tōkyō
Language: jpn
Number of pages: 243
Subjects: Kōfuku no Kagaku; Conduct of life