AnnaLee Saxenian. The New Argonauts: Regional Advantage in a Global Economy. Cambridge, Mass.: Harvard University Press, 2006. 424 pp. ISBN 0-674-02201-7, $27.95 (paper).

This book considers a fascinating aspect of new technology businessesand the network economies that support their development. Essentially,it is about the movement of technically skilled professionalswho have been drawn into the commercial environment of SiliconValley and their subsequent technology transfer relationshipwith the part of the world from which they were originally drawn.To use the phraseology of the book, this is about "brain circulation"as opposed to