TY - BOOK AU - Piff,David TI - Unofficial Information and Rumour in the Bahá'í Community : The Case of 'The Tree They Couldn't Kill' N2 - Using discussion threads from Bahá'í internet groups regarding an alleged miracle in Shiraz, Iran, the author draws attention to the usefulness of unofficial information in offering insight into the world view and social dynamics of religiousm groups ER -