To answer someone's question, these are the sources for my class in Religion & Violence:
Charles Selengut. Sacred Fury:Understanding Religious Violence.
Karen Armstrong. The Battle for God.
Karen Armstrong. A History of God.
Richard Fletcher. The Cross and the Crescent.
Mahatma Gandhi Homer A. Jack, (Editor). The Gandhi Reader: A Sourcebook of His Life and Writings.
Rene Girard. Violence and the Sacred.
Sam Harris. The End of Faith: religion, terror, and the future of reason.
Mark Juergensmayer. Terror in the Mind of God: the global rise of religious violence.
Jon Krakauer. Under the Banner of Heaven: a story of violent faith.
Walter Wink. Engaging the Powers: discernment and resistance in a world of domination.
The Passion of the Christ
Dead Man Walking
The Kingdom of Heaven