Zen Stories is a 1919 compilation of Zen koans including 19th and early 20th century anecdotes, and Collection of Stone and Sand, written in the 13th century by Japanese Zen master Muju (literally, "non-dweller"). The book is transcribed by Paul Reps and Nyogen Senzaki. Well-known koans in the collection include A Cup of Tea (1), The Sound of One Hand (21), No Water, No Moon (29), and Everything is Best (31).