This revised edition is redesigned the whole spectrum of socio-political, economic and cultural tradition and transformation of Cambodia in new millennium. The author has thoroughly investigated the various aspects of the Cambodian life, their traditions and process of reformation in nine chapters. In very first chapter, author has described historical overview and demographic features haves been described in second chapter. Third chapter deal with social hierarchy and organizational change and economic tradition and its transformation in fourth chapter. Fifth chapter investigates structure and function of government and politics however foreign policy in discussed in sixth chapter. National security system, religion and culture and historical setting has been described in seventh, eighth and ninth chapters of this edition. This edition would be valuable asset for the reader to get comprehensive knowledge about Cambodia and its people. Enlightening feedback and suggestions are solicited.