This two-part monograph offers a report and interpretation of data collected during an exploratory excavation and regional survey in the Inland Niger Delta of Mali. This project had as its goal to investigate the chronology and circumstances of major changes in the subsistence economy, technology and social organization of the region in the prehistorical period, inlcuding plant domestication, the introduction of iron technology and the emergence of urbanism. The first volume reports results from excavations at Jenne-jeno, including analysis of pottery, faunal remains and domestic spaces, and offers background information on the region and on prior archaeological research in Mali. The second volume reports the results