The book presents the following papers and transcriptions of debates: "One Country, Two Systems, Three Languages" (Sue Wright); "The Background to Language Change in Hong Kong" (Godfrey Harrison, Lydia K. H. So); "Aspects of the Two Languages System and Three Language Problem in the Changing Society of Hong Kong" (Benjamin K. Tsou); "The (Un)changing Role of Mandarin Chinese in Language Education in Hong Kong" (Cheung-Shing Samuel Leung, Yuen-Fan Lornita Wong); "Language and the Law in Hong Kong: From English to Chinese" (Alice Lee); "English in Hong Kong: Emergence and Decline" (John E. Joseph); "Tonal Changes in Hong Kong Cantonese" (Lydia K. H. So); and "Phonological Changes in Hong Kong Cantonese" (Eric Zee). Debate transcripts are inserted after the second, fourth, fifth, sixth, seventh, and eighth papers. (MSE)