■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. There are stains, folds, and scratches on the outside. This is an auction for this book only. Please be aware of this. 2020 Revised Edition, 1st Printing Will be shipped in a plastic bag and envelope.