Published by Chuo Koronsha. This book has been on the bookshelf for a long time. The pages are mostly clean, but there is some staining visible from the side, as seen at the top of the table of contents (Image 2, top). There is staining on the side of the book, the cover, and the box it's in (Images 1 and 5). There may be oversights. Other volumes in the same series are also available. OQ OS