In "One True God," Rodney Stark masterfully explores the profound impact that monotheism has had on the course of Western history. Stark argues convincingly that the belief in a singular, omnipotent deity has been the pivotal force in shaping not just religious landscapes, but also the political, social, and moral fabrics of civilizations. Through a detailed examination of Judaism, Christianity, and Islam, Stark demonstrates how the commitment to one true God facilitated the rise of empires, inspired laws and moral codes, and ignited both unity and conflict. His narrative is not just a chronicle of religious evolution but a vivid illustration of faith's power to mold the world. Stark's analysis goes beyond the surface, delving into the reasons behind the missionary zeal of these religions, the ebb and flow of their tolerance towards others, and the social dynamics that allowed them to flourish or flounder. He questions why monotheistic religions have at times turned against each other with violent fervor, yet at other moments, coexisted with a degree of civility. With an engaging final chapter on the American experiment in religious tolerance, "One True God" offers a compelling argument for the significant role monotheism has played in creating the modern world. Stark's work is not just a history of religion; it is a narrative about the immense power of belief to shape human destiny.