Published by Chuo Koronsha. It has been on the bookshelf for a long time. The pages are mostly clean, but there is staining visible on the top of the table of contents, as if from the side. (Image 2, top) There is staining on the side of the book, the cover, and the box it is in. (Images 1, 5) There may be oversights. Other volumes in the same series are also on sale. YX ZR