i-Work Series for 3rd Year Junior High School Students Mathematics, English, Japanese, Science - 4 subjects Includes: ①i-Work, ②Answer Key/Explanations, ③i-Work Plus A set of all 12 books (4 subjects). Purchased at a cram school. You can study by unit! Science has color sections and is easy to understand! i-Work has writing in it. i-Work Plus is unused and has no writing. i-Work Japanese: Approximately 30 pages have writing. Mathematics: Approximately 30 pages have writing. English: Approximately 10 pages have writing. Science: Approximately 10 pages have writing. The name section on the back cover of i-Work Plus has been blacked out with a marker m(_ _)m Please understand that this is a used item before purchasing. Those who are sensitive about condition should refrain from purchasing. Please note that recycled materials may be used for packaging. #JuniorHighSchoolStudent #HighSchoolEntranceExam #Workbook