NAITO, Asao, Ijime no Shakai Riron (Social Theory of Bullying, in Japanese, Tokyo : Kasiwa Shobo, 2001) This book analyzes the mechanism of bullying in Japanese junior and junior-high schools, using the social system approach, especially micro (individual mentality)-macro (human relation)-loop theory. Introducing some new concepts into the analysis of human relation among students, such as “interm