God Against the Gods: The History of the War Between Monotheism and Polytheism | Jonathan Kirsch
Examining the roots of religious extremism, the author of The Woman Who Laughed at God describes the struggle between monotheism and polytheism in the ancient world, revealing the dark side of monotheism--holy war, inquistions, crusades, and martyrdom--and the brighter side of polytheism, including its emphasis on religious liberty and diversity. Reprint.