Stock Photo - EDINBURGH, SCOTLAND, Sunday 14th, AUGUST 2016: British philosopher A C Grayling appears at the Edinburgh International Book Festival. The two weeks event is the world´s biggest literary festival of its kind celebrated annually in Edinburgh, which in 2004 became the World´s first UNESCO city of literature.

Stock Photo: EDINBURGH, SCOTLAND, Sunday 14th, AUGUST 2016: British philosopher A C Grayling appears at the Edinburgh International Book Festival.