Two-book set for enjoying math and arithmetic education - Title: Arithmetic Teacher - Author: Tokuro Kunimoto ※ The label on the back cover has not been peeled off well. There are traces of peeling as shown in the third photo. The inside is in a clean condition. - Title: Mathematical Sense - Author: Akihiro Nozaki Both books are in beautiful condition, having been read only once. Thank you for looking.