《三皇炮捶——北京镖局拳术功法》张凯，本书内容包括：三皇炮拳术实用套路解析、三皇炮捶实用肘、腿法等。
“Three Emperors’ Gun Beating – Boxing Skills of Beijing Escort Agency” Zhang Kai, the content of this book includes: the analysis of the practical routines of the three emperors’ gun boxing, the practical elbow and leg techniques of the three emperors’ gun beating.

历史上的今天 ( 17 )：