Records of Military Preparation

Wubizhi original: "武備志". This is the most comprehensive military encyclopedia in Chinese history. Compiled by the scholar-official Mao Yuanyi in 1621, it spans 240 volumes and covers everything from strategy and tactics to weapons technology and maritime charts.

The title slip shown on the cover serves as a formal introduction to this monumental work of the Ming dynasty, reflecting a period of intense military innovation and the need for organized defense strategies against domestic and foreign threats.