This is a revised edition of the Nippon Decimal Classification, comprehensively covering the details of the classification system. There are black stains on both the front and back covers, but the contents have only been used a few times and are in relatively good condition. Please refrain from purchasing if you are concerned, as it has been stored at home. - Title: Nippon Decimal Classification, Revised 10th Edition - Edition: Revised 10th Edition - NDC: 014.5 Thank you for viewing.