This is a set of 4 notebooks, mainly for use in the lower grades of elementary school. * Kokugo (Japanese) 12 squares x 1 notebook... Like new, in beautiful condition. * Sansu (Math) 14 squares x 1 notebook... Like new, in beautiful condition. * Sansu (Math) 6 squares x 2 notebooks... One is relatively clean, but the other has some minor stains here and there (see image). Although unused, these have been stored at home. Please understand this before purchasing.