There are folds and stains as shown in photo 4.5. I read it once and stored it on a bookshelf. Bulk purchases are also possible(^^) - Title: Habits of Parents Who Improve and Don't Improve Their Children's Grades - ISBN: 978-4-7598-1909-0 - Price: 1500 yen - Content: Contains a wealth of information on educational methods and know-how to help improve grades in subjects children struggle with.