From the New York Times bestselling author of Upheaval, a fun and wide-ranging exploration of why human sexuality is so different from other animals', and how i

From the New York Times bestselling authors of She Comes First and Rinnavation comes a fun and effective guide to improving your marriage by rejuvenating your s

Go beyond the headlines and the hype to get the newest findings in the burgeoning field of gender studies. Drawing on disciplines that include evolutionary scie

This title has been removed from sale by Penguin Group, USA.

More irreverent than ever, the popular guide to fully understanding and enjoying sex has now been revised with new chapters such as "Sex When You're Really Old,