Peter Smith traces the development of the Baha'i faith from its roots in the Babi movement of mid-nineteenth century Iran, through the lives and work of its prophet-founder, Baha'u'llah (1817-92), and his successors, to its contemporary emergence as a worldwide religion. - Explores the textual sources for Baha'i belief and practice, theology and anthropology and understanding of other religions. - Covers the concept of the spiritual path, the faith's law and administration and aspects of community life. - Examines the Baha'i's social teachings and activities in the wider world