When it was first published in 1979, this book, together with its companion volume, From the Milk River, by Christine Hugh-Jones, was hailed as setting 'a new standard for South American ethnographers, one to be emulated' (Third World Quarterly). Both are now available for the first time in paperback. The book is an extended study in English of Amazonian ritual. Through an analysis of a secret men's cult widespread throughout Northwest Amazonia, Hugh-Jones builds up a general picture of a South American Indian society, and of a religious and cosmological system that is common to a large area of Northwest Amazonia. The book is also an exercise in the anthropological interpretation of ritual, myth and religious symbolism from a structuralist point of view.