Yotsuya Otsuka Summer School Textbook For 4th Graders ・Japanese Language ・Mathematics ・Science ・Social Studies A set of 4 books in total. As these are used materials, Science, Social Studies, and Mathematics have circles and markers on only a few pages. Japanese Language has circles, markers, and also writing such as kanji. All are in a usable condition for learning, but there are some folds and minor stains due to use. If the name entry part cannot be erased, it will be covered with paint or a sticker before shipping. As these are used items stored at home, please only purchase if you understand that they are used items.