A detailed study of prehistoric sequences in south central Africa, largely based around the results of investigations at the sites of Mumbwa and Twin Rivers, excavated in 1993-96 and 1999. An introductory chapter provides the background context to the prehistory of Zambia followed by studies of the Mumbwa Caves and their chronology, faunal, micro-fauna and human remains, ecological and environmental evidence. These sites are seen as representative of the wider region and attest to a long sequence of prehistoric cultural deposits.