How does Bu Xuebei want this book?

This book takes the classic ancient books such as Zhouyi, Huozhulin, Underwater Eye, and Golden Strategy as the carrier, and takes the authentic six-hexagram prediction theory system as the main line, and tells the six-hexagram prediction theory and actual combat principle step by step, from shallow to deep, comprehensively and systematically, which can not only accurately refine and inherit the essence of the Huozhulin prediction theory system, but also return to the original and clean up the source.