From Islam declaring Jihad against the west, to Arab against Jew, to Catholic against Protestant, one question resonates with the global threat we face today: Why does God inspire the killing of Man? Renowned historian Christopher Catherwood vividly recounts a saga of passion and prejudice that laid the foundation for our own troubled age. Beginning with the death in 632 of Muhammad–as much political leader and general as prophet–Islam commenced its breathtaking spread, which, under...