Natural, unglazed wood-fired ceramics have a unique, natural charm that makes them popular in Taiwan. Wei-en Chen published the first book to be written on the subject by a Taiwanese. In the book, Chen describes how to make and appreciate such pieces. After putting so much into this subject, Chen's interest was aroused by a new form of firing that reduces the harm to the environment while still achieve the level of quality and color allowed by wood-firing.