Many people worship not just one but many gods. Yet a relentless prejudice against polytheism denies legitimacy to some of the world's oldest and richest religious traditions. In her examination of polytheistic cultures both ancient and contemporary--those of Greece and Rome, the Bible and the Quran, as well as modern India--Page duBois refutes the idea that the worship of multiple gods naturally evolves over time into the "higher" belief in a...