From the London Times:
The tradition of bestselling love guides goes back to the Ancient Chinese. Our earliest known manuals were first written in 300BC and buried in a family tomb at Mawangdui, in Hunan province. Recent translation reveals the timeless nature of the subjects they tackled.
Written as Cosmo coverlines, they would look like this: Four Seasons of Sex — and Why Autumn is Hot, Hot, Hot; Wild New Positions; Tiger Roving, Gibbon Grabbing and Fish Gobbling; Aphrodisiacs to Keep You Up All Night!Plus Exclusive! Your Love Route to Immortality.
As ever, it was all nonsense: home-made Viagra recipes involved ingredients such as beetle larvae, wasps and dried snails. The books also promised that any man who had sex with a different virgin every night for 100 nights without ejaculating would live for ever (albeit rather uncomfortably).
More here.