A math reference book with easy-to-understand explanations by topic. - Title: Mathematics I・A, II・B - Author: Takayuki Baba - Theme: Topic-based explanation - Price: 1200 yen (excluding tax) Thank you for viewing. #MyReferenceBookCollection There are no writings, highlighting, or noticeable damage. The spine of the obi (paper band) has a tear. (See photo 3) I used it a few times after purchase, but it's in good condition. Please understand that it has been stored at home before purchasing. If you are considering purchasing multiple books together, discounts or shipping costs may change, so please consult in the comments section.