History 18 Islam 12 Management 12 Biography 8 Leadership 8 Politics and government 7 Heroes 6 Religious aspects 6 Armed Forces 5 Creative thinking 5 Foreign relations 5 Malay fiction 5 Success 5 Thought and thinking 5 Army 4 Dictionaries 4 Military art and science 4 Communism 3 Malaya 3 Malaysia 3 Motivation (Psychology) 3 Quality control 3 Terrorism 3 War 3 Armies 2 Case studies 2 Civilization 2 Congresses 2 Economics 2 Education 2