A MP3 CD goes with the book, with the listening part of the two unit tests recorded in it.

Liu Xun is a professor at Beijing Language and Culture University, part-time professor at China People's University and Beijing University of Foreign Languages, member of the Hanban Expert Advisory Committee for Teaching Chinese as a Second Language, board member of World Chinese Teaching Association and consultant of Chinese teaching for the New York State Department of Education. His research focuses on Teaching Chinese as a Foreign Language, Second Language Acquisition, teaching material development, teachers' training, etc. He once assumed the main responsibility in the design of the first set of HSK. He has compiled and co-compiled TCFL textbooks such as Practical Chinese Reader (1-4), Chinese Textbook for Children, Elementary Chinese, One Hundred Lessons on Communicative Chinese, etc, and has published monographs such as Introduction to Chinese as a Foreign Language Pedagogy, Introduction to Teaching Chinese as a Foreign Language, Brief Introduction to TCSL.