Hsiao-Hung Pai is a Taiwanese-born writer and journalist. She has written for the Guardian and the Chinese press in Britain and abroad. She is the author of Invisible: Britain’s Migrant Sex Workers, Chinese Whispers: The True Story Behind Britain’s Hidden Army of Labour, shortlisted for the Orwell Prize for non-fiction, and Scattered Sand: The Story of China’s Rural Migrants. Her report on the Morecambe Bay tragedy for the Guardian was adapted into Nick Broomfield’s film Ghosts. Her undercover work for Invisible also forms much of the basis for a documentary made by Broomfield for Channel 4. She lives in London.