How did Pol Pot, a tyrant comparable to Hitler and Stalin in his brutality and contempt for human life, rise to power? This authoritative book explores what happened in Cambodia from 1930 to 1975, tracing the origins and trajectory of the Cambodian Communist movement and setting the ascension of Pol Pot's genocidal regime in the context of the conflict between colonialism and nationalism. A new preface bring this edition up to date.