The book of the Kwan Um Zen school, which sets out the teachings of the Zen master Sung San in the form of dialogues, letters and koan interviews with his students. In addition, the book contains a biography of Sung San, as well as his predecessors - masters Kyong Ho, Mang Gong and Ko Bong. "Sprinkling Ash on Buddha: The Teachings of Zen Master Sung San" will help to further understand the essence of the Kwan Um school's Zen practice and, in particular, the practice of koans. The translation into Russian was made by the monk Myong Gong Sunim.