忘忧死活宝典,the most powerful life and death library.
A collection of 7000 +, life and death questions. From first level to professional level, from the ancient life and death questions to modern life and death questions. And contains the set of professional life and death of "发阳论","天龙图","官子谱","玄玄棋经","棋经众妙" and "鬼手魔手", etc. It is the best way for you to improve your go game skill from 10K to 5d.