Vansina's scope is breathtaking: he reconstructs the history of the forest lands that cover all or part of southern Cameroon, Gabon, Equatorial Guinea, the Congo, Zaire, the Central African Republic, and Cabinda in Angola, discussing the original settlement of the forest by the western Bantu; the periods of expansion and innovation in agriculture; the development of metallurgy; the rise and fall of political forms and of power; the coming of Atlantic...