This is a well-organized book, clearly argued, and the writing is accessible. The central story line is leavened with interesting examples and anecdotes to light and lighten the path.

Population Studies: A Journal of Demography

In this important new book, Robert Clark shows that globalization is not a process that began twenty or even five hundred years ago, but rather has roots that are to be found thousands of years back into the human past. Moreover, it has been not just an economic process but a biological and demographic one as well. Those who wish to understand the current process of globalization in its proper historical context will do well to read this book....

- Stephen K. Sanderson, author of Social Transformations: A General Theory of Historical Development,

<p>In this important new book, Robert Clark shows that globalization is not a process that began twenty or even five hundred years ago, but rather has roots that are to be found thousands of years back into the human past. Moreover, it has been not just an economic process but a biological and demographic one as well. Those who wish to understand the current process<br />of globalization in its proper historical context will do well to read this book.</p>

- Stephen K. Sanderson, author of <I>Social Transformations: A General Theory of Historical Development<I>,