In From Outcasts to Emperors, David Quinter illuminates the Shingon Ritsu movement founded by the charismatic monk Eison (1201-90) at Saidaiji in Nara, Japan. The book's focus on Eison and his disciples' involvement in the cult of Manjuśrī Bodhisattva reveals their innovative synthesis of Shingon esotericism, Buddhist discipline (Ritsu; Sk. vinaya), icon and temple construction, and social welfare activities as the cult embraced a spectrum of supporters, from outcasts to warrior and imperial rulers. In so doing, the book redresses typical portrayals of "Kamakura...