Basing her book on four years of field work (including interviews, a survey of 2,000 Reiyukai members, and eight months of residence with believers), she analyzes Reiyukai ancestor worship and veneration of the Lotus Sutra. She explains the enduring appeal of a religion, founded in 1919, that dedicates itself to the spread of true Buddhism" and that retains its core intact, in spite of a number of schisms.