High-quality photographs from the area's top nature photographers are accompanied by detailed species descriptions which include nomenclature, size, distribution, habits, and habitat. The user-friendly introduction covers geography and climate, vegetation, habitats, behaviour, opportunities for naturalists, and the main sites for viewing the listed species. Also included is a classification of butterflies found in Peninsular Malaysia, Singapore, and Thailand, from their superfamilies down to the level of genera to give an understanding of the relationships of butterflies.