Introductiory Chinese is a series of Chinese teaching textbooks, which is comprised of six titles: Listening and Speaking(volume I and II), Reading Comprehension, Chinese Character Workbook, Listening Comprehension and Listening Comprehension Workbook.
Listening Comprehension and Listening Comprehension Workbook are to be used together. They contain listening exercises focusing on the grammar, language usage and vocabulary found in Listening and Speaking. The set consists of 44 lessons and requires approximately 150 class hours to complete. Listening Comprehension also contains keys to the exercises, listening scripts and two audio CDs. It can be used as a teacher's book. Listening Comprehension Workbook is for students to use to complete the listening exercises.
Together, Introductory Chinese and An Elementary Course in Scientific Chinese form a set. Those who come to China to study science and engineering should begin with the former and then proceed to the latter.