Novelist A L Kennedy talks to Mariella Frostrup about her book On Writing which is based on her Guardian blog. Pankaj Mishra and Sri Lankan novelist Roma Tearne discuss how much literature can play a role in exposing human rights violations. And author Justin Cartwright provides a Readers' Guide to the Nobel Prize and twice Man Booker winning writer J M Coetzee, as he publishes his new novel The Childhood of Jesus.