A practical book featuring 181 case studies on content-certified mail. - Title: Content-Certified Mail You Can Use Directly: 181 Example Sentences by Case - ISBN: 978-4-536-00239-9 - Author: Takayuki Kitagawa - Publisher: Nihon Jitsugyo Publishing - Contents: Contains 181 case studies on content-certified mail. Purchased at a bookstore and stored at home for a long time. There are no writings or markings, but there are spots on the top edge of the book due to aging (see photo ④). Since this is a used item, please review the photos and description carefully before purchasing. Please refrain from purchasing if you are concerned about minor details. * To prevent any trouble, cancellations are not accepted. Thank you for your understanding. Thank you.