Written by Subh-i Azal in Baghdad in 1852-53. Recommended by Baha'u'llah at that time as "very necessary for the people of the Bayan." Scholarship: See Clément Huart, "Note sur trois ouvrages Bâbis" Journal Asiatique (Paris), 1887, 8e série, vol. 10, p. 133-144. From an MS in private hands. Thanks to the Bayani community for donating these scans.