Is Wu Mingguang worth 60 classes?

Value. According to the introduction of personal library, Wu Mingguang's 60 lessons of high-definition video and e-book on USB flash drive are professional, comprehensive and rare precious materials. This set of tutorials is all practical, plug and play, and can be played on TV, mobile phone and computer. The picture voice is very clear. Wu Mingguang's logic of calculating 60 lessons is very precise and it is a mature system, so it is worthwhile for Wu Mingguang to calculate 60 lessons.