Thank you for checking out this book by Theophania Publishing. We appreciate your business and look forward to serving you soon. We have thousands of titles available, and we invite you to search for us by name, contact us via our website, or download our most recent catalogues. This classic Zen Buddhist collection of 49 koans with commentary by Mumon was originally published in 1934, and later included in Paul Reps and Nyogen Senzaki's popular anthology Zen Flesh, Zen Bones. Due to non-renewal it is currently in the public domain in the US (although other parts of Zen Flesh, Zen Bones are not).