I also have other textbooks and items for sale, so if you purchase them at the same time, you may be able to save on shipping costs. (If the items don't fit within 3cm, they may need to be shipped separately. If they significantly exceed that, shipping via a 60-size package may be possible.) An introductory book explaining the basic concepts of the Constitution. - Author: Junichi Sato - Title: Introduction to the Constitution - Price: 2800 yen (excluding tax) Thank you for looking.