This book provides a general introduction to the biological and evolutionary bases of religion and is suitable for introductory level courses in the anthropology and psychology of religion and comparative religion. Why did human ancestors everywhere adopt religious beliefs and customs? The presence and persistence of many religious features across the globe and time suggests that it is natural for humans to believe in the supernatural. In this new text, the authors explore both the biological and cultural dimensions of religion and the evolutionary origins of religious features.

"Supernatural as Natural "examines ways in which our religious beliefs and experiences are products of our biological make-up. This book takes as its fundamental starting point the insight that humans are animals whose primary means of adapting to the world is culture, including religion.