An Illustrated Romp Through the Golden Age of Heterosexuality The 1970s was a time saturated with sex: singles' bars, nudism, porn theatres, hot tubs, couple-swapping, swingers' retreats, compliant stewardesses and mass-market titillation. All this and more can be found between the pages of this lavishly illustrated history of this charmingly naive but sex-crazed period.