Shūgyō kikai to hōshū kakusa no shakaigaku: Hiseiki koyō, shakai kaisō no nichi-kan hikaku(The Sociology of Employment Opportunity and Wage Gaps: Non-standard Employment and Social Hierarchy in Japan and Korea), by AritaShin. Tokyo: University of Tokyo Press, 2016, 265pp., ¥3,400 (ISBN 978-4-13-050187-3)