- Incorporates differential diagnosis for each entity or group of entities to further understand the subject critically. - New chapters have been added such as, skin in systemic diseases, skin changes of pregnancy and old age, and antiretroviral therapy (ART). - All the chapters have been updated and treatment guidelines revised. Newer entities have been included under various chapters, maintaining the brevity and conciseness. - Incorporated better photographs and clinical illustrations for easy understanding of the text.