This is a book about the making and unmaking of sex over the centuries. It tells the astonishing story of sex in the West from the ancients to the moderns in a precise account of developments in reproductive anatomy and physiology. We cannot fail to recognize the players in Thomas Laqueur's story--the human sexual organs and pleasures, food, blood, semen, egg, sperm--but we will be amazed at the plots into which they have been woven by scientists, political activists, literary figures, and theorists of every stripe.

Laqueur begins with the question of why, in the late eighteenth...