In the religions of the world, there is strongemphasis on the practice of "purification" for the religious transformation ofmind and body in connection with achieving such ultimate objectives asenlightenment and salvation. The contributors discuss the great diversity offorms and meanings with respect to religious transformation in their respectivefields of research. While invoking earlier debates within the study ofreligions and theology on the topic of "purification" the studies in thisvolume penetrate further into the meaning and structure of religioustransformation of mind and body in the religions of the world and opencomparative perspectives on this topic.