Waste composting for urban and peri-urban agriculture: closing the rural–urban nutrient cycle in sub-saharan Africa, edited by P. Drechsel and D. Kunze. CABI Publishing, Wallingford and New York, International Water Management Institute, Colombo, Sri Lanka and the Food and Agriculture Organization of the United Nations, Rome, 2001. ISBN 0 85199 548 9, £45.00 (hardback), xviii+229 pp