Christian Unity Resources

Armstrong, Karen, Holy War: The Crusades and Their Impact on Today’s World (Anchor, 1991)
Hussain, Amir, Oil & Water: Two Faiths: One God (Wood Lake Publishing, 2006).
Kaltner, John, Islam: What Non-Muslims Should Know (Fortress Press, 2003) and Ishmael Instructs Isaac: An Introduction to the Qu’ran for Bible Readers (Liturgical Press, 1999).
Smith, Huston, The World’s Religions (Harper Collins, 1991).