Fantasy tales are often seen as peripheral to culture, with little to contribute to our lives beyond throwaway entertainment. Is this an error? Might fantasies be central to how we perceive the world, and even gesture towards the limits of our understanding?

Philosopher Terry Eagleton and eminent novelist A.S Byatt will join Terry Pratchett, live from Wiltshire, to explore reality's edge.

For more information about the festival, tickets and programme please visit: www.howthelightgetsin.org