Synopsis The book consists of twenty seven research papers dealing with religious culture of the people of Arunachal Pradesh. It throws light on various aspects of tribal culture with emphasis on spirits and deities, sacred specialists, sacred rituals etc. The Theravada and Mahayana Buddhism, as practised by a number of Arunachali tribes are presented in a historical setting. The impact of Brahmanical culture in the foothills area of the state is also taken into consideration. As a whole, this is the first attempt to understand the religious history of the people, and their cultural interaction with Brahmaputra Valley of Assam, Tibet and Myanmar through out the ages.