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Mariella Frostrup talks to Orange Prize winner Barbara Kingsolver about her latest novel Flight Behaviour, set in a poor district of the Appalachian Mountains in Tennessee. The book explores the impact of climate change, an issue which Kingsolver, with a background as a scientist, feels is important to highlight.

Despite only completing two novels in his lifetime, The Broom of the System and his blockbuster Infinite Jest, and leaving one unfinished manuscript, The Pale King, the American author David Foster Wallace has been described as one of the most gifted and innovative writers of his generation. Fan David Baddiel and biographer DT Max explain why he deserves that praise.

Sir Stamford Thomas Raffles has become an integral part of the mythology of the British Empire and he remains omnipresent in the Singapore he is credited with founding. The twice Whitbread Winning biographer Victoria Glendinning explains why she has called her latest biography, Raffles and The Golden Opportunity, the book of her life.

Producer: Andrea Kidd.