Why Ian Rankin keeps returning to Rebus

Ian Rankin's detective John Rebus has been part of the literary world for 35 years and now his 24th Rebus novel has just landed, A Heart Full of Headstones. Discover the hard centre of Victoria Hannan's new novel Marshmallow and find out what an ear prostitute is with Singaporean writer Clarissa Goenawan's Watersong.