Mariella Frostrup talks to celebrated American novelist Celeste Ng, whose new book Little Fires Everywhere explores what happens when a calm and ordinary suburb is disrupted by the arrival of a new residents - a teenage girl and her artistic mother. Ian Rankin shares his passion for Thomas Pynchon's 1973 novel Gravity's Rainbow and we hear from the Sharjah Book Fair which has just closed its doors in the UEA. While the Icelandic crime writer novelist Lilja Sigurdardottir explains why the financial crash of 2008 inspired many authors to explore the society's underbelly.