Inoue Hiromasa (1948–2022) was born and raised in Yokohama. He did all of his education in the Department of East Asian Studies at Kyoto University. After teaching for several years at Shimane University, he moved to Nara Women’s University in 1986, becoming a full professor in 2009. He worked primarily in the field of Sino-British relations in the nineteenth century and was especially interested in the issue of opium in those relations. This is the first book-length study of his to appear in translation.