Book reviewDisturbed soil properties and geotechnical design. SchofieldA.. London: Thomas Telford, 2005. 142 pp. 0-7277-2982-9. £45Muds and mudstones. PotterP. E., MaynardJ. B. and DepetrisP. J.. Heidelberg: Springer-Verlag, 2004. 297 pp. 3-540-22157-3. £61·50Expansive soils: Recent advances in characterisation and treatment. Ali-RawasA. and GoosenM. F. A.. London: Taylor & Francis, 2006. 544 pp. 9780-415-39681-6. £99·00