The book is an anthropological and ethnological narrative of the headhunting and human sacrificing Tangshang Naga tribes of Arunachal Pradesh.
During the Nocte Naga migration from Yunnan Province they were followers of Theravada Buddhism. 1961 census reported some Buddhist among the Nocte Naga of Tirap Frontier Tract.
While trading salts and other products with the Ahom, the Nagas mingled with the Assames and participated in the Hind