Housing Performance Indication for Wooden Houses 2020 Edition Japan Housing and Wood Technology Center Published: October 2020, 7th Edition Price: 6,000 yen (excluding tax) Planning and Publication: Japan Housing and Wood Technology Center (Public Interest Incorporated Foundation) Editorial Cooperation: Arsed Architectural Research Institute Co., Ltd. Sunakawa Architectural Environment Research Institute Co., Ltd. Basic Edition: Housing Performance Indication System Manual Structural Edition: Standards Commentary on Structural Stability Application Edition: Housing Performance Evaluation Application Handbook There are no noticeable scratches or stains on the cover. There are no writings or markings inside.