Rating: 
Summary: A fun read, but not as fun as sex!
Review: While reading this book, one cannot help but compare it with Diamond's earlier works, in particular, Guns, germs and steel (GGS). While GGS comes across as a work of a life time, this book seems hastily written, to cash in on GGS's fame. Now, don't get me wrong, there are a lot of interesting trivia that you end up learning about sexuality: both human and animal. However, the fundamental theme of "Why sex is fun?" seems to be lost amidst all the interesting trivia. The facts, theories and hypotheses about sexuality in the book resemble more a program on MTV with fast and random style editing and closeup shots that lacks a principally sound story. Having said all this, I would still recommend that the book be read, since it throws interesting light on a topic that occupies a good part of human thought and behavior: Sex.
Rating: 
Summary: Weak as lolly water...
Review: Why are others so impressed with this book? Beats the heck outa me - the book is *speculative* - and the author admits it right up front in the preface. Yet I have seen it referred to as an authority on sexuality - go figure.Diamond spends much time discussing the sexual habits of other species but never really shows why this is relevant or instructive in connection with human sexuality. He demonstrates that human sexuality is different from that of other species: But so what? How does that advance our understanding of sexuality in humans? Diamond is unable or unwilling to elucidate. A strictly lightweight book suitable only as a coffee table decoration. The bottom line: The author does not even answer his own question posed in the title. Why is sex fun? Read this and you will be none the wiser...
Rating:
Summary: Weak as lolly water...
Review: Why are others so impressed with this book? Beats the heck outa me - the book is *speculative* - and the author admits it right up front in the preface. Yet I have seen it referred to as an authority on sexuality - go figure. Diamond spends much time discussing the sexual habits of other species but never really shows why this is relevant or instructive in connection with human sexuality. He demonstrates that human sexuality is different from that of other species: But so what? How does that advance our understanding of sexuality in humans? Diamond is unable or unwilling to elucidate. A strictly lightweight book suitable only as a coffee table decoration. The bottom line: The author does not even answer his own question posed in the title. Why is sex fun? Read this and you will be none the wiser...
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