Randy Thornhill is Distinguished Professor of Biology at the University of New Mexico. Steven W. Gangestad is Distinguished Professor of Psychology at the University of New Mexico.
<br> The authors provide an impressively up-to-date, thorough, and evenhanded review not only of recent work on human sexuality in relation to ovarian cycle stage, but also of relevant research on other taxa and of the latest theoretical and empirical work on sexual selection and antagonistic coevolution of the sexes. The result is a tour de force, and those who wish to refute it will have to come to grips with its forceful argumentation and impressive breadth of information. --The Quarterly Review of Biology<p><br>