Capsule Review April 1929 Issue Across the World of Islam by Samuel M. ZwemerReviewed by William L. LangerAbout the Author: My FA Anthologies Read more by William L. Langer In This Review Across the World of Islam By Samuel M. Zwemer Revell, 1919 382 pp. $4.00 Purchase Facebook Twitter Email My FA Saved Articles Print The editor of the Moslem World reviews the problems arising from the awakening of the Moslem masses.