The Butterfly Log is a personal photographic record of the 146 butterfly species within the Margalla Hills National Park, Islamabad. It highlights for the first time many new species for the Margallas and several which might be new for Pakistan. Each and every species is described in my opinion but this book also provides readers with an in depth understanding of butterfly behaviour and interesting facts in line with observations and research. It incorporates over 1100 photographs of butterflies in nature including stunning full page pictures and close-united states of americaof heads and antennae. As a reference and very important guide, commended by WWF-Pakistan this beautifully illustrated book is not going to only appeal to residents and visitors to Pakistan but nature lovers and butterfly enthusiasts (including children) around the globe.