I realized for the first time when it arrived from Amazon that I had mistakenly bought the "by subject" edition. Therefore, I haven't used it at all. I needed to buy the "National High School Entrance Exam Question Correct Answers: Japanese Language" again, so I didn't make this one cheap. It's brand new. "2025 Edition National High School Entrance Exam Question Correct Answers: Past Questions by Subject, 462 Questions, Japanese Language: Modern Writings, Classical Japanese, and Chinese Classics" Obunsha Price: ¥2700 #Obunsha #book #language/Japanese