I am selling this book, which I bought new, because the content was too advanced for my child. - Title: Detarame Kenkyujo (Nonsense Laboratory) - Author: Hideo Konami - Illustrator: Shinya Komatsu - ISBN: 978-4833687215 - Price: 1430 yen Thank you for looking. * There are no stains, but please refrain from purchasing if you are concerned about it being stored at home.