I bought this used and only read it once. The stains and folded pages are as shown in the images. There may be some oversights. There are no writings or intentional folds. There is some yellowing and staining. "The Secret to Passing the University of Tokyo's Science III Program 27" "University of Tokyo Science III" Editorial Committee Price: ¥1800 # "University of Tokyo Science III" Editorial Committee #Book #Society/Education/Learning