Yotsuya Otsuka Preliminary Series 6th Grade Science - Part 1 With Answer Key Price: 2200 yen This textbook is used at Yotsuya Otsuka, Waseda Academy, and other educational institutions. Condition: No writing in the answers. Pages 52-57 and 96 have markings with a highlighter (please see the photos). Overall, it is in good condition. No name written on the back. We hope that those who understand that this item has been stored at home by a private individual will consider purchasing it. Thank you very much.