Amatu'l-Bahá Rúhíyyih Khánum, born Mary Sutherland Maxwell (1910-2000), grew up in Montreal, Canada. Following the passing of her illustrious husband Shoghi Effendi in 1957 she travelled to 185 countries, independent territories, and islands of the world to teach the Faith.

Other books that she has written include Prescription for Living, which has been widely read and translated into a number of languages. The Desire of the World, A Manual for Pioneers, and Poems of the Passing. She has also produced two documentaries, The Green Light Expedition, a two-hour film of her seven-month journey with her crew through the Amazon area of South America, and The Pilgrimage, a visit to the sacred sites of the Bahá'í World Centre in the Holy Land, guided and narrated by herself. She passed away in January 2000.