Webster's Dictionary has several definitions of 'prophet', including 'one gifted with more than ordinary spiritual and moral insight' and 'an effective or leading spokesman for a cause, doctrine or group'. This book examines four such men who sought to achieve a just society through non-violence -- Mohandas Gandhi, Martin Luther King Jr, Albert Luthuli, and Desmond Tutu. The word 'prophet' has decided religious overtones, and each of the four leaders in this study mirror the struggles of the great Biblical figures like Isaiah, Jeremiah, Micah, and Amos. In the Bible, they denounced injustice...