Listening to her nine year-old son playing the harp drove Pulitzer prize-winning author Geraldine Brooks to investigate the life of King David. This week she releases The Secret Chord which tells the story of the King of Israel. Our Western obsession with food, means that we’re wealthy enough to see food as conceptual, rather than an essential part of every day life. But an estimated 24,000 cookbooks are published annually; could it be that we're now sacralizing food? Sandra Gilbert, poet, critic and memoirist, explores our relationship with food through literature, art and popular culture.