A collection of steamy books about the sexual adventures of couples 300 years ago was found hidden in the library of a British manor house, The Sun reported Friday.

The tales, published in ancient types of booklets known as Chapbooks, were printed on paper so thin hardly any other examples survived. They were found behind other books at Townend House in the Lake District, northern England.

A spokeswoman for Britain’s National Trust, which owns the books, said: “They contain saucy, even rude tales, which were found to be rather amusing by their 18th century readers.”

In the introduction to his Encyclopedia of Erotic Literature, C.J. Scheiner describes erotology thus: “Erotology is a multidisciplinary field. Its primary concern is the collection and investigation of all manner of expression concerned with sex. This includes not only the actual physical act of procreation, but the attitudes toward it, the social and cultural controls on it, the depictions of it in art and literature, the psychology and physiology (i.e. mind and body) at all levels of physical and mental complexity to explain the instigation and successful completion of copulation, and the artifices (aphrodisiacs) used to promote sexual activity. Erotology concerns itself with the real and tangible, as well as the symbolic and surrogate…”

Porn has evolved over time and it reflect the culture and thinking of the period. It forms a part of where we have come and helps us understand who we are now. It is our heritage.