Knowledge Star textbooks used for Kosen (Technical College) entrance exams. For the 2023 academic year. Kosen Entrance Exam Preparation Course Textbooks Basic Edition (Math, Science, English, Japanese, Social Studies) Practical Edition (Math, Science, English, Japanese, Social Studies) Originally, there are no answer keys. (Only the Practical English edition has one included) Basically, most of the books have been used and have writing in them, so please understand that they are used items. Thank you for your consideration. Please refrain from selling individual items or lowering the price. If they don't sell by the end of November, I plan to remove the listing, so please be aware. If you wish, I can also include the following, which are in the photos: - 2023 Kosen Mock Exams (1st-5th) - 2024 Kosen Mock Exams (1st-5th) - Winter Course Textbooks Other printouts that were used will also be included, but these are just extras. (They were used by my child, so I don't know the contents.) Please refrain from asking questions about anything other than the textbooks. Most of the extras haven't been used.