This is a condensed version of a book originally published in 1966.America's first sexual revolution took place in the Roaring Twenties. The flappers and their boyfriends rebelled against their parents' inherited codes of sexual morality. In a short decade they completely revolutionized America's views toward premarital sex.America's second sexual revolution took place in the 1960s. But the rebels were not the "flaming youth" - they were, instead, married adults who were radically revamping traditional moral attitudes toward extramarital sex.John T. Warren researched the findings of sexologists and psychologists and interviewed in depth wife swapping couples themselves.

In this significant report, he documented and interpreted the second sexual revolution - the age of the wife swappers.