"Over 50% of Exam Takers Can Solve It: Unmissable Entrance Exam Questions, Revised Edition" Obunsha Price: ¥800 English, Japanese, Math, Social Studies, Science 5 subjects, 5 books I bought these for my child's entrance exams, but there's no sign they were used... I purchased them last year. #Obunsha #Books #Math #English #Japanese #SocialStudies #Science