This is a practice problem book for difficult schools, focusing on social studies. The answer sheets are included. There is a name written on the back, but the inside is unused and in clean condition. Please understand that this is a home-stored item. 1760 yen (tax included) If you'd like to purchase multiple items and the total thickness is within 3cm, I can offer a discount on the shipping cost, so please leave a comment. #PracticeProblemBook #YotsuyaOtsuka #6thGrade #SocialStudies #YoshuSeries