I haven't used it much. This is the new 2025 edition of the Akahon (Red Book). It's a good deal because it's not widely available. "Kumamoto University (Faculty of Science, Faculty of Medicine (excluding the Department of Nursing), Faculty of Pharmaceutical Sciences, Faculty of Engineering, and Faculty of Information Fusion (Science-oriented))" Kyogakusha Editorial Department Price: 2420 yen (2200 yen + tax) Please refrain from purchasing if you are sensitive to items stored at home. *Please refrain from purchasing if you are looking for something in the same condition as new. If you have any questions, please comment.