This is a used item. There is yellowing and damage due to aging. Especially for book A, there is significant damage to the cover and the book itself. Please refer to the images. While there should be no problem with reading, this is a used item, so it's for those who are okay with just being able to read it. Please forgive any oversights. Please be cautious if you are particular about the condition or have any concerns. Please ask if you have any questions. Shipped anonymously with water damage protection. Thank you.