A set of 22 books, including the Doraemon Learning Series, Science World, and Mystery Exploration Series. Due to aging, some books have sun damage, slightly torn covers, or no covers (4 books). However, these are used books that can be read without issue. I wiped the covers with disinfectant wipes and checked the contents briefly. However, I have not inspected each page individually, so there may be overlooked issues. Please be aware of this. The books without covers are as follows: Social Studies Fun Conquest: History of Japan 1, 2, 3 Doraemon: Great Earth Exploration