A modern Zen classicreissued with new material An introduction to the great tenthcentury Chinese master with translations of his key works. Yunmen Wenyan c. 864949 was a master of the Chinese Zen Chan tradition and one of the most influential teachers in its history showing up in many famous koansin one of which hes credited with the famous line Every day is a good day. His teachings are said to permeate heaven and earth to address immediately and totally the state and conditions of his au