■ Publisher ■ Keio University Correspondence Education ■ Subject ■ University Textbook ■ Writing ■ None observed. ※ There may be some errors or oversights in the description of writing. Please understand this beforehand. Although unused, there are some dirt and scratches on the outside from home storage. There are also some folds. Please note that this item has been stored at home for a long time and is not perfect. As it is unused, I do not know the contents of the book, and this is the only item being sold. Please understand this beforehand. 2020 Revised Edition, 2nd Printing Will be shipped in a plastic bag and envelope.