All seven books have no writing in them. [I visually inspected all books immediately before listing. However, due to the large number of books and pages, please forgive any oversight.] ● Condition of the Items ◎ 2015: Has scratches (photos posted), no internal impact, black marking on the top ◎ 2017: Slightly scratched, black marking on the top (photos posted) ◎ 2018: Almost new ◎ 2020: No noticeable scratches or stains ◎ 2021: Almost new ◎ 2023: Almost new ◎ 2024: Almost new ● Included Years ⭕ For "University of Tsukuba (Recommendation Entrance Exam)", there is a "year discrepancy" in the "included years". ⭕ Therefore, this listing avoids "missing years" and includes "consecutive years". ⭕ The included years are as follows: [Please refer to the following.] 2015 → 2012, 2013 2016 → 2014, 2015 2018 → 2015, 2016 2020 → 2017, 2018 2021 → 2019, 2020 2023 → 2021, 2022 2024 → 2022, 2023 ● Other ⭕ The condition of the items has been clearly stated for all seven books. Therefore, if you understand the above content, I believe you can use them with confidence. ⭕ Conversely, if you have any "anxiety" or "doubts", please refrain from considering or purchasing. ⭕ Immediate purchase is welcome. ⭕ Shipping will be "waterproofed". ⭕ There are no plans to sell them separately. Thank you for your consideration. #University of Tsukuba #RecommendationEntranceExam #Recommendation #Kyogakusha #Akahon (Red Book - reference book)