◉ Bundle of 5 books All with "Answers and Explanations" (Types of Problem Sets) ◉ High School Entrance Exams: 3 Years of Key Review Questions Science, Social Studies ◉ Junior High School: 3 Years of Topic-Specific Problem Sets Japanese ◉ English: Reading Comprehension Problem Set ◉ Public Entrance Exam Hit Seminar (Oshu Seminar) English, Math, Science, Social Studies For exam preparation and review... (Condition of the Items) One of the 5 books had a small amount of faint pencil writing, which has been erased. Please understand. Stored at home. The problem sets are in good condition, I think. Please check the photos and understand before purchasing. Thank you for looking.