A walk in the footsteps of literary giants such as Geoffrey Chaucer, William Shakespeare, Charles Dickens and Oscar Wilde. Subjects covered include the lives of Britain's Poet Laureates and bohemian Bloomsbury. You'll also discover the best places in London to shop for old books. Normally £15, this walk is free until July 29. Meet outside the gift shop of Westminster Abbey, SW1P 3PA. Booking essential.