A set of picture books by Leo Lionni 4 books - Title: Frederick - Title: Swimmy - Title: Cornelius (with a stain on the upper left of the cover) - Title: Matthew's Dream - Author: Leo Lionni - Publisher: Kogakusha - Condition: Minor age-related stains Thank you for looking. Overall clean, but there are stains on the top as shown in photos 2 and 11.