On the Philosophy of Marxism-Leninism-Maoism demonstrates Jose Maria Sison's comprehensive and profound knowledge of the epochal stages through which the theory and practice of the world proletarian revolution have developed. Such knowledge is well propagated among the cadres and members of the Communist Party of the Philippines. This book demonstrates Sison's excellence as a theoretician and teacher of dialectical and historical materialism as well as a communist thinker and leader who has made significant contributions to the conduct of the new democratic revolution in the Philippines and to the study of the history, circumstances and prospects of the world proletarian revolution.