Gendai Amerika no shihō to KenpōJunko Kotani, Makoto Arai, Tatsuhiko Yamamoto, Mayuko Kasai, Keigo Ōbayashi · First published 2013Open the Tome
Chiiki ni manabu Kenpō enshūMakoto Arai, Junko Kotani, Satoshi Yokodaidō · First published 2011Open the Tome
