Unused book. There are minor scratches on the cover. No box included. The inside is clean with no stains or writing, and the pages are so pristine that there are no signs of having been opened. Please understand that this book has been stored and inspected at a private residence by an amateur, so there may be oversights. I am also listing other picture books and children's books. Please take a look if you'd like. This is a set of 6 books from the children's mystery picture book series "I Am a Detective" loved around the world (B set with box). The protagonist, Nate, is a 9-year-old boy who loves pancakes. It's fascinating to see him solve cases coolly with his sharp reasoning. This book is recommended for children who are starting to take an interest in detective stories. Series Name: I Am a Detective - Number of Volumes: 6 volumes (B set) - Target Age: Elementary school students Original Price: 7920 yen Titles: "The Case of the Missing Dog" "The Midnight Burglar" "The Case of the Missing Shopping List" "The Case of the Dinosaur Stamp" "Where's the Key?" "The Mystery in the Snow" Original set of 6 books translated by Natsuya Mitsuyoshi