There are a number of participant accounts of the revival of Goddess religion among feminists in Europe, America and Australasia. But students and others interested in issues in the relation of religion, theo/alogy and gender need an accessible and concise critical overview of this contemporary religious phenomenon and its discourses. Introducing Thealogy, which offers a contextual analysis of the thealogy, ontology, historiography and ethics of various types of Goddess feminism, is designed to meet that need.