A dictionary set of proverbs and four-character idioms themed around Doraemon. - Title: Doraemon Proverbs Dictionary - Title: Doraemon 100 Four-Character Idioms Thank you for viewing. I purchased these new and stored them on my home bookshelf. I enjoyed reading them often, so there is a sense of use, but there are no writings or noticeable stains. There is a mark like a pen mark on the upper side. Please refer to the photos.