Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Classic_of_Tea Release date is 2007-12-21
"茶經" by Lu Yu is a monograph written between 760 and 762 CE during the Tang dynasty. As the world's first known treatise on tea and tea culture, it explores the origins, cultivation, and preparation of tea across ten chapters. Lu Yu treats tea as a symbol of universal harmony, blending horticultural knowledge with philosophical insight. The work covers everything from tools and utensils to regional comparisons and the history of tea drinking in ancient China. (This is an automatically generated summary.)
Tea -- China -- Early works to 1800 Tea -- China -- History