Hydrogeology of an arid region: the Arabian Gulf and adjoining areas - By A.S. Alsharhan, Z.A. Rizk, A.E.M. Nairn, D.W. Bakhit and S.A. Alhajari. 331 pp., 296x210 mm, Elsevier, 2001. Available from Elsevier Science B.V., P.O. Box 211, 1000 AE Amsterdam, or