Mathematics at a specialized tutoring school for the University of Tokyo Mathematics Practical Course Part 1 and Part 2 Mathematics Practical Course III Problem Set Only available for purchase by enrolled students. There are some areas of discoloration and stains on the cover, but the inside of the book appears to be clean. However, there are some notes written on a few pages, but it should not be a problem for studying. Returns are not accepted after the product arrives. Please ask if you have any questions. Tetsuryokukai (a famous prep school) only accepts students from advanced high schools (designated schools). Even for students from advanced high schools, those who can enter from high school are only those who have passed the test and are at the top of their class. The textbooks are well-made, so they are beneficial for those aiming for the University of Tokyo, national medical schools, private medical schools, etc.