Book reviews: Moorman,F.R. and van Breemen,N. 1978: Rice: soil,water,land. Los Baños,Philippines: International Rice Research Institute. vii + 185 pp. US $6.30 (highly developed nations),US $2.50 (developing nations): prepayment required including postage US $0.20 (surface) or US $2.30 (airmail),to Office of Information Services,I.R.R.I.,Manila,Philippines

Allen, J.R.L. 1970: Sediments of the modern Niger Delta: a summary and review . In Morgan, J.P., editor, Deltaic sedimentation modern and ancient, Society of Economic Palaeontologists and Mineralogists, Special Publication 15, 138-51.

Brinkman, R. 1970: Ferrolysis, a hydromorphic soil forming process. Geoderma 3, 199-206.

1977: Surface-water gley soils in Bangladesh. Geoderma 17, 111-44.

Fao/Unesco 1974: FAO/UNESCO soil map of the world 1:5 000 000. I Legend. (Memoir.) Paris : UNESCO.

1977 : FAO/UNESCO soil map of the world 1:5 000 000 VII South Asia. (Memoir and sheets VII(1) and VII(2).) Paris: UNESCO.

1979 : FAO/UNESCO soil map of the world 1:5 000 000 IX Southeast Asia. (Memoir and sheet IX.) Paris: UNESCO.

Kawaguchi, K. and Kyuma, K. 1977: Paddy soils in tropical Asia: their material nature and fertility. Honolulu: University Press of Hawaii.

Land Resources Division 1975: The soils of Sabah. Volumes 1-5. Land Resources Division, Ministry of Overseas Development (UK), Land Resource Study 20.

1976 : The land capability classification of Sabah. Volumes 1-4. Land Resources Division, Ministry of Overseas Development (UK), Land Resource Study 25.

Oomkens, E. 1974: Lithofacies relations in the Late Quaternary Niger Delta complex. Sedimentology 21, 195-222.

Soil Survey Staff 1975: Soil taxonomy, a basic system of soil classification for making and interpreting soil surveys. US Department of Agriculture Handbook 436.

Webster, R. 1968: Fundamental objections to the 7th Approximation. Journal of Soil Science 19, 354-66.

Young, A. 1976: Tropical soils and soil survey. Cambridge : Cambridge University Press.