Sex and Genderpresents a relatively newway to think about how biological difference can be produced over time in response to different environmental and social experiences. The aim of the Just the Facts...and Moreseries is to improve biocultural literacy by putting in one place, in a highly readable format, and in a type of book that might be bought impulsively at a bookstore (or more likely used in general education science, social science, or composition classes) the basics for a discussion of a complex subject.