W. J. Wolff, J. van der Land, P. H. Nienkuis & P. A. W. J. de Wilde (eds.) 1993. Ecological studies in the coastal waters of Mauritania. Kluwer Academic Publishers, Dordrecht, The Netherlands, ix + 222 pages. ISBN 0-7923-2322-X (cloth), price: Df1300./£123.50.