Book reviews : Castles,S. and Miller,M.J. 1993: The age of migration: international population movements in the modern world. London: Macmillan. x + 306 pp. £35.00 cloth,£10.99 paper. ISBN: 0 333 53491 3

Castles, S. with Booth, H. and Wallace, T. 1984: Here for good: western Europe's new ethnic minorities London: Pluto Press.

Castles, S. and Kosack, G. 1973: Immigrant workers and class structure in western Europe . London. Oxford University Press .

Zolberg, A. 1989: The next waves: migration theory for a changing world . International Migration Review 23, 403-30.