Late Prehistory of the Central Sudan, Studies in African Archaeology, vol. 3ISBN: 83 900434 0 8 Description: 256 pages (17x24 cm), drawings, plans, photographs Condition: new Weight: 450g. L. Krzyzaniak, Schylek pradziejow w srodkowym Sudanie (Late Prehistory of the Central Sudan), Studies in African Archaeology, vol. 3, Poznan Archaeological Museum 1992 In Polish, with English summary Two major cultural systems had developed in the prehistory of the Central Sudan. In 8,000 4,900 B. C. a successful aquaticfood gathering was