Ranked #34 in Sexuality, Ranked #41 in Sex — see more rankings.
Why are humans one of the few species to have sex in private? Why are human females the only mammals to go through menopause? Why is the human penis so unnecessarily large? There is no more knowledgeable authority than the award-winning author of The Third Chimpanzee to answer these intriguing questions. Here is a delightfully entertaining and enlightening look at the unique sex lives of humans. less
Rankings by Category
Why Is Sex Fun? The Evolution of Human Sexuality (Science Masters) is ranked in the following categories:
- #81 in Evolution
- #81 in Human Sexuality