Crossroads / Carrefour Sahel. Cultural and Technological Developments in First Millennium BC/AD West Africa. By Sonja Magnavita, Lassina Koté, Peter Breunig & Oumarou A. Idé (eds.). Journal of African Archaeology Monograph Series 2. Africa Magna Verlag, Frankfurt am Main, 2009, 274 pp. ISBN 978-3-937248-17-2. € 29.80.