This is a 【Set of 4 books】 product. All are used, but there are no noticeable stains or writing. I don't see any folded or torn pages, so I think you can use them comfortably. Please forgive any minor scratches due to home storage. Instant purchase is OK. Thank you. The Story of How I Met You After Being Told I Had a Year to Live Singing Love to You After 100 Years The God of the Last Train I Want to Eat Your Pancreas