This exciting work translates two 12th-century texts associated with the legendary immortals Zhongli Quan and Lü Dongbin, founders of the Zhong Lü tradition of internal alchemy. The book also makes both the underlying cosmology and the practical transformation accessible and understandable in plain, straightforward language.

"This book contains a translation and in-depth study of two major texts of internal alchemy, attributed to two well-known immortals, Zhongli Quan and Lèu Dongbin, founders of the so-called Zhong Lèu tradition, which presents the first major formal structuring of internal alchemy and goes back to the 12th century. The first text entitled "Transmission of the Dao from Zhongli to Lèu," provides keys to understanding energetic transmutation with particular steps and methods corresponding to the mechanism of the universe. It provides the basis of all of internal alchemy. The second text is the "Conclusive Methods of Numinous Treasure," written in a more symbolic language and focusing more on specific practices. In addition to the translations, the book describes with simple clarity the major conceptions of cosmology, transmutations systems and key practices. These practices are accessible to all and these two texts which specialists had nod previously paid attention enough, are likely to become essential writings for anyone interested in the history of internal alchemy and for any practitioner of Daoism"--