Renaissance Culturelle du Cambodge―Study and Research on the Restoration of the Angkor Monuments and Traditional Cultures, Vols.1-27, (authored and edited), Sophia Asia Center for Research and Human Development, Sophia University, 1989-2013.
Manual d’épigraphie du Cambodge (co-authored), Ecole Française d’Extrême-Orient, Paris, 215 p. 2007.
The Buddhist Statues of Angkor, (authored), NHK publications, 224 p.2007.
The Age of Angkor, [Dagèns, B. : Les Khmers, Les Belles Lettres, Paris, 2003], co-translated and annotated, Rengo Shuppan, 278 p. ,2008.
The Discovery of a World of Myriad Civilizations in Southeast Asia, (authored), Kodansha Publications, 398 p.2009.
Challenging the Mystery of Angkor Empire, Sophia University Press, 2012.