The Sunday Times Oxford Literary Festival kicks off this week with a dazzling line-up of today's literary giants - including Martin Amis, Ian McEwan, Hilary Mantel, Rose Tremain, Tracey Chevalier, John Le Carré, Philip Pullman and Sebastian Faulks. Based in and around some of Oxford’s most jaw-dropping buildings, the festival runs from 20-28 March and offers more than 250 events including talks, topical panel discussions, a creative writing workshop and a newly re-launched children’s programme.