The books 【Bibu Myeongri Intermediate Level】, 【Bibu Myeongri Advanced Level (Volumes 1 & 2)】, 【Bibu Myeongri Secrets of Heavenly Stems】, and 【Bibu Myeongri Secrets of Day Pillars】 have been published. You can purchase them by entering the book titles into an internet search bar. You can systematically study the contents of all the books through YouTube videos. I provide Saju (Four Pillars) readings. 010-2851-4988