In Studies in Legal Hadith Hiroyuki Yanagihashi seeks to clarify the processes by which hadiths on a given legal topic were formed and developed and to propose a methodology to estimate their acceptability for traditionists.

Hiroyuki Yanagihashi, M.A. (1983) in Literature, the University of Tokyo, is Professor at the Graduate School of Humanities and Sociology at the University of Tokyo. He has published articles and monographs on Islamic law and hadith.