Hung like an Argentine duck: a journey back in time to the origins of sexual intimacy.

Pymble: Harper Collins Publishers, 2011.
Octavo, paperback, 278 pp. colour photographs.

Dr John Long gives us a scientific but engaging look at how and why animals first became 'intimate' and where sex fits into the whole evolution theory. From the 42.5cm willy of the male Argentine duck to how snails and spiders reproduce - this is a fascinating book about, well, sex. Broader coverage of the evolution of sexual intimacy in the animal kingdom demonstrates that the gap between human and animal behaviour is not as large as many of you might have thought. Like an eagle up high looking down, such breathtaking views of evolution can only be appreciated by taking a very big step backwards from the primates to the primeval beginnings of our vertebrate line.