Of course, there are cognitive differences between men and women, but the punchline of almost all sex difference research is that the extent of the difference between any two individuals, be they male or female, tends to vastly outweigh the average difference between the sexes.
Furthermore, while some of these books suggest the differences are innate many studies have found the differences change markedly over time and are influenced by cultural or social factors.
The series is well-researched, easy to digest and looks at the areas of communication, empathy, maths ability and development during childhood. It’s also accompanied by a three-part video discussion, which tackles similar issues.
And, as a bonus, when you link through to the material on Slate, there’s heaps of other links, including related book reviews, video segments, and other items (although some of it is not as solid as Schaffer’s work).
Graphic from Slate: http://www.slate.com/id/2194486/entry/2194488/.