"Chibi Maruko-chan's Four-Character Idiom Classroom" "Chibi Maruko-chan's Continued Four-Character Idiom Classroom" Set of 2 books There is a line-like stain on the back cover's price section, but otherwise, there are no noticeable stains or writing. Please understand that this is a used item inspected by an amateur. Packaging will be simple, using materials I have at home. I will strive for a pleasant transaction, so thank you for your cooperation.