Xu Bingxin's Study of Yi Studies

Through years of painstaking research and practice, Mr. Xu Bingxin has written Four Pillars Course, Golden Formula Course, Yi (Monograph on the Change of Plum Blossom Number), Practical Geomantic omen, Annotation of Sanming Association, Introduction to Nomenclature, Dictionary of Nomenclature, Choosing Good Luck and Sihui. And the almanac.