Nagoya University Science and Mathematics 15 Years, 7th Edition Kyogakusha Editorial Department Price: ¥2300 + tax There are no marks on the book cover. There are signs of the problem set being opened (photo 4), but the inside is unused. Nagoya University Chemistry 15 Years Kyogakusha Editorial Department Price: ¥2300 + tax This one appears to have been worked on in a notebook, and there are clear signs of it being opened. (Photo 6) No writing is visible. We inspect carefully, but please forgive any oversight of small tears or writing. If you are concerned, please purchase a new one at a bookstore. Please understand that this is stored at home. #KyogakushaEditorialDepartment #Books #Nature/Mathematics #NagoyaUniversity #Meidai