A few books noted for their contribution to methodology and their ability to challenge too univocal visions of cities
West Africa Long Term Prospective Studies
Club du Sahel, OCDE, edited by Jean Marie Cour and Serge Snerch, Paris 1998, 124 pp & 3 annexes
First prospective exercise on West Africa, that work is still topical on many aspects (demography, agriculture, urbanization, financing needs, economy…), although the IT revolution has not been anticipated! It is also a methodological reference.
West Africa Long Term Prospective Studies
http://www.oecd.org/swac/publications/38512525.pdf
and in French version : Pour préparer l’avenir de l’Afrique de l’Ouest : une vision à l’horizon 2020