NATIONAL treasure Stephen Fry marks the release of his fascinating new book Mythos with a special live event at St David’s Hall on Wednesday 8 November. Tickets for the multi award-winning comedian, writer, presenter and activist go on sale this Friday (7 July) at 10am and are expected to sell very quickly! Mythos is Stephen’s vivid re-telling of the Greek myths.  Bringing to life the gods, monsters and mortals of Ancient Greece, he reimagines their astonishing stories for the modern…