Call to the Nations is a collection of extracts from a fascinating series of letters penned by Shoghi Effendi, the Guardian of the Bahai Faith, to the Bahais of the world. For thirty-six years (19211957¬), from the age of twenty-four, Shoghi Effendi served as the head of the Bahai Faith, directing the affairs of its worldwide community and giving practical expression to its ideals. His insightful letters offer a glimpse of the scope of the Bahai Faith and provide context for its ultimate mission of the unification of mankind. The book is divided into five chapters organized around the following themes: Humanitys Ordeal, The Oneness of Mankind, A Pattern for Future Society, World Commonwealth, and The Destiny of Mankind.