Hsiao-Hung Pai is a freelance journalist, whose report on the Morecambe Bay tragedy for the Guardian was made into the film Ghosts. Her book on undocumented Chinese immigrants in Britain, Chinese Whispers, was shortlisted for the Orwell Book Prize in 2009. She lives in London.

Gregor Benton is Professor Emeritus of Chinese History at Cardiff. He has published twelve prior books on Marxism, political humor, the history of the Chinese Communist Party, Red guerillas in the 1930s, the Sino-Japanese War, dissent in China, Chinese Trotskyism, Hong Kong, the theory of moral economy, and overseas Chinese. His Mountain Fires: The Red Army's Three-Year War in South China, 1934-1938 (1992) won several awards, including the Association of Asian Studies' prize for the best book on modern China.