""The Greater Mysteries At Eleusis"" is a book written by Harold R. Willoughby that delves into the ancient Greek religious rites and practices of the Eleusinian Mysteries. The book provides a detailed historical and cultural context for these mysterious rituals, which were held annually at the temple of Demeter and Persephone in Eleusis, Greece. Willoughby explores the various stages of the initiation process and the symbolism and meaning behind...