Book of Equanimity
Book of Equanimity or Book of Serenity or Book of Composure (Chinese: 從容錄, Cóngróng lù; Japanese: 従容錄, Shōyōroku) is a book compiled by Wansong Xingxiu (1166–1246), and first published in 1224. The book comprises a collection of 100 koans written by the Chan Buddhist master Hongzhi Zhengjue (1091–1157), together with commentaries by Wansong.