Fairy Tales

Secrets were hidden in fairy tales - it was a way of hiding knowledge, preserving it, and passing it on during times of persecution.
An example. Step through an archway in a bramble hedge, and you may step into otherworld. The prince who saved sleeping beauty had to first gain entry (always denied to others) through a bramble hedge that had grown thick around the tower in which she slept - the journey from this reality to that.
Fairy pictures were like acceptable porn. Naked woman is a naked woman, and some may find it offensive, but slap a pair of wings on, and its acceptable as it is a fairy -

Just remembered a good book - book of pressed fairies - caught like flowers of butterflys between the leaves of a hastily closed book
book of pressed fairies - Google Search