Magazine / Monthly / Mu / July Issue / No. 116. There are sunspots, wrinkles, scratches, folds, the smell of old books, and pages that are starting to come loose. Pages 80-81 have damage. This is an old book from 1990, so please understand this before purchasing. Purchases from those who are overly concerned about condition are not accepted. ☆ Although the original supplement is not included, several pages of the "Practical Crystal Power Utilization Manual" are included, and a magatama crystal will be provided as a special bonus, although it is slightly chipped. ☆ The advertisements in the book truly evoke the Showa era.