This book is publicized so that the younger generations of Cambodians can get to understand about the trust of Cambodian History ranging from the war time passing through the life of great suffering, family separation, starvation, and horror in the doomsday of the genocidal regime of the Khmer Rouge or Democratic Kampuchea lead by Pol Pot and the revival filled with peace, development, prosperity under the unique roof of peace. Cambodia used to be a place almost totally destroyed, but today we would like to welcome you as the new Cambodia becoming an example of how this country can be built from the ashes of a miserable past to an optimistic new future. Therefore, in order to participate in preserving peace in Cambodia for a long time together with Samdech Akka Moha Sena Padei Techo Hun Sen, Prime Minister of the Kingdom of Cambodia through this book.