Best-selling author and award-winning writer Elizabeth Day speaks with Kathryn Ryan about her latest novel Magpie, a psychological thriller about motherhood. Elizabeth has been praised for "revolutionising the way we see failure". Her How To Fail podcast has topped iTunes charts, and her live tours have sold-out venues such as London's National Theatre. Elizabeth writes for The Times, the Guardian, the Observer, Harper's Bazaar and Elle, and is a presenter on BBC Radio.