"The Birth of Heijo-kyo" by Takehiko Yoshimura, Kazumi Tateno, and Hitoshi Hayashibe, Kadokawa Gakugei Publishing (Kadokawa Sensho), 2010 This book depicts the state of the nation and the construction of the capital city, from Asuka and Fujiwara-kyo to Heijo-kyo, from two perspectives: the "Wangfa" (law of the king) of the formation of the Ritsuryo state, and the "Buppo" (Buddhist law) of the spread of faith in the protective state Buddhism among the common people. It incorporates the findings of archaeology and historical document studies.