Islam, a challenge to faith; studies on the Mohammedan religion and the needs and opportunities of the Mohammedan world from the standpoint of Christian missions, - Zwemer, Samuel Marinus, 1867-1952 (Student volunteer movement for foreign missions, 1907)
Appendices: A. Chronological tables of important events in history of Islam and of missions to Moslems.--B. William Gifford Palgrave's characterization of Allah.--C. Thomas Patrick Hughes' characterization of Mohammed.--D. List of missionary societies working among Moslems.--E. Select bibliography for further reference and study (pages 270-281)
Keywords: Islam; Muslims; Christendom; Missie; Zending