Phejin Konyak is the author of the award-winning book The Konyaks: Last of the Tattooed Headhunters (2017). It was released by Shri Ramnath Kovind, President of India, on 1 December 2017, at Kisama Heritage Village during the Hornbill Festival. The book is an outcome of nearly four years of intensive research work documenting the vanishing tattoo tradition of the Konyak tribe in India and Myanmar.