This is a co-authored book by Professor Toshiyuki Shiomi of the University of Tokyo Graduate School and the Nohara family from the anime "Crayon Shin-chan." It discusses episodes from the anime "Crayon Shin-chan" and explains the secrets of "open parenting" needed in modern times. There is a crease on the cover. Please check the second photo. It will be shipped via Yu-Packet Post with simple packaging to prevent water damage. Please note that we cannot accept returns or exchanges after purchase, even if something happens during shipping.