I purchased this book about 14 years ago because I was interested in the civil service exam, but I hardly used it. I kept it in a book cover, so the main body has no noticeable stains. However, due to long-term storage, there is some staining on the top of the book, as well as some scratches and folds. This is a reference book with a CD-ROM that allows you to enjoy learning numerical reasoning. The CD-ROM has been opened. I have confirmed that it works on my device. "Atsuko Hatanaka's Numerical Reasoning Revolution!" List price: ¥1575 Please purchase if you understand that this is a used item and has been stored at home. Shipping is planned via "Rakuraku Mercari Bin" or "Yuyu Mercari Bin."