sān​lüè

“Three Strategies of Huang Shigong”, also known as Taigong Bingfa 太公兵法[Tài​gōng​Bīng​fǎ], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wǔ​jīng​Qī​shū], variously attributed to Jiang Ziya 姜子牙|姜子牙[Jiāng​Zǐ​yá], Huang Shigong 黃石公|黄石公[Huáng​Shí​gōng] or an anonymous author