"The Easiest Way to Understand Eiken Grade 3: Complete Problem Collection" Tai Ito / Yuka Inagaki Price: ¥1,375 #TaiIto #YukaInagaki #book #BOOK #referencebook This is for children, but I hardly used it (crying). The CD is unused, but there are cut marks. There are about 2 pages of writing in red pen at the beginning. Thank you.