Is it valuable to add jade sagger?

If it is photocopied and published, the sales volume should be good. Anyone who has studied numerology, divination, believes in ghosts and gods, or likes to choose good days and auspicious days will buy it. This book is quite useful. Some people in our country and nearby counties and townships have manuscripts of some contents in this book, but some contents are wrong because of the frequent copying and long time. So your book is very valuable in this academic circle.