Oshiri Tantei 4-volume set, a fun picture book for children. - Title: Oshiri Tantei (Butt Detective) - Volumes: 4-volume set - ISBN: 978-4-09-291001-7 - ISBN: 978-4-09-291002-4 - ISBN: 978-4-09-291003-1 - ISBN: 978-4-09-291004-8 - Size: Approximately 22cm Thank you for viewing this product from among the many listings. You can purchase without comment. As shown in the image, there are some scratches on the book covers. Purchase is not recommended for those who are concerned about minor imperfections.