Samuel M. Zwemer worked as a pioneer missionary in Iraq, Bahrain, and Egypt, but his most lasting influence was through his conferences and books. He worked tirelessly as a missions mobilizer to make Christians aware of the challenges and opportunities of missions among Muslims.

The following list links to free PDFs of Zwemer’s books from several sources, many of them graciously shared by the Zwemer Center or by muhammadanism.org.

1. Across the World of Islam
2. Arabia: The Cradle of Islam (4th Edition)
3. Call to Prayer [Zwemer Center]
4. Childhood in the Moslem World
5. The Cross Above the Crescent [Zwemer Center]
6. Daylight in the Harem (with Annie van Sommer)
7. The Disintegration of Islam
8. Evangelism Today: Message Not Method [Zwemer Center]
9. The Glory of the Cross  (Arabic Translation)
10. The Glory of the Manger
11. The Golden Milestone
12. Heirs of the Prophets [HathiTrust]
13. The Influence of Animism on Islam
14. Into All the World [Zwemer Center]
15. Islam, A Challenge to Faith (2nd Edition) (German Translation)
16. Islam and Missions (editor & contributor)
17. The Law of Apostasy in Islam
18. Lucknow, 1911
19. The Mohammedan World of Today (with E. M. Wherry)
20. Mohammed or Christ (Fleming H. Revell edition)
21. The Moslem Christ
22. The Moslem Doctrine of God
23. The Moslem World (revised for students from Islam, A Challenge to Faith)
24. A Moslem Seeker After God (Arabic Translation)
25. The Nearer and Farther East (with Arthur J. Brown)
26. Our Muslim Sisters (editor & contributor)
27. Raymond Lull: First Missionary to the Muslims (Spanish Translation)
28. The Solitary Throne
29. Sons of Adam: Studies of Old Testament Characters in New Testament Light
30. Taking Hold of God
31. Thinking Missions with Christ (3rd Edition)
32. Topsy-Turvy Land: Arabia Pictured for Children (with Amy E. Zwemer)
33. The Unoccupied Mission Fields of Africa and Asia
34. Zigzag Journeys in the Camel Country (with Amy E. Zwemer)

This list only includes full-length books. For an exhaustive list of Samuel M. Zwemer’s publications, see our bibliography for Samuel Zwemer.