This is a standard-level English grammar textbook, ideal for university entrance exam preparation. - Title: Seki Masao's English Grammar POLARIS 1 Standard Level - Publisher: KADOKAWA - Price: 1,200 yen - Author: Seki Masao - Series: POLARIS The contents are unused, but as shown in the photo, the bottom right corner is slightly bent, so I'm selling it at a reduced price. Thank you very much! Thank you for looking.