This includes detailed drawings and explanations regarding the design of wooden houses. - Title: How to Design Wooden Houses - Author: Takao Ohto - Publisher: Gakugei Publishing - Contents: Detailed drawings and explanations regarding the design of wooden houses - Drawings: Detailed architectural drawings and structural explanations Price: 2400 yen The cover is stained and has small tears as shown in the photo, but the inside is still clean. Thank you for looking.