This is a set of picture books for sale. Child Honsha Kotoba to Kazu (Words and Numbers) This is a set of 10 books from the same series. They are numbers 1 to 12, but numbers 2 and 4 are missing. There doesn't seem to be any noticeable dirt or stains. Please understand that there may be some oversights. If you don't mind, they can still be used a lot. These books have been used by children, so there may be some minor dirt or marks. Thank you for your understanding. Thank you for your understanding regarding these used items. I have another set of the same series for sale on my page. Please take a look if you'd like.