Book reviews: Hillel, D. (ed.) Encyclopedia of Soils in the Environment (Volumes 1–4). Elsevier, Oxford, UK, and St Louis, MO, USA, 2005. xxxiv + 2119 pp. (in four volumes). Eur 995 (£710, US$1095), hardback. ISBN 0-12-348530-4. Available from Elsevier, Customer Service Department, Linacre House, Jordan Hill, Oxford OX2 8DP, UK, for purchase in Europe, the Middle East and Africa, and at 11830 Westline Industrial Drive, St Louis, MO 63146, USA, for purchase in North America.