The British Empire and its legacy have increasingly been close to the heart of public discourse, capturing the academic and popular imagination. What are the enduring impacts of Empire on Britain? How has decolonisation changed demographics? What is the relationship between British imperialism and racism? How have British attitudes to Empire changed? What do statues and their tearing down represent? What does the Commonwealth mean to Brits? Historian Charlotte Lydia Riley attempts to answer these questions and more in Episode 43 of 20 Questions as she prepares for the launch of her book, Imperial Island: A History of Empire in Modern Britain.