This book covers butterflies and moths of the Pakke Tiger Reserve in East Kameng District of Arunachal Pradesh, northeast India. It contains descriptions and photographs of 284 butterfly species, provides key features to identify them and notes on similar species to assist in identification. Photographs of 95 additional similar looking butterfly species are also included. Notes on the natural history of the butterfly species are also included. Butterflies and Moths of Pakke Tiger Reserve also covers 83 species of commonly seen moths with colour photographs for identification and notes about the moth families.