Tokyo University of Science, Faculty of Engineering, B Method, 2025 Edition Price: ¥2365 Tokyo University of Science, Faculty of Engineering, B Method, 2022 Edition Price: ¥2178 Tokyo University of Science, Faculty of Engineering, B Method, 2019 Edition Price: ¥2530 Tokyo University of Science, Faculty of Engineering, B Method, 2016 Edition Price: ¥2530 Tokyo University of Science, Faculty of Engineering, B Method, 2013 Edition Price: ¥2310 This book contains past questions for 3 years, so you can cover past questions from 2010 to 2025. There are writings in the answers and explanations, but there are no writings in the questions, so I think there will be no problem when solving the questions. I am busy, so I may not be able to ship within 1-2 days, please understand.