This is a universal type of short-term Chinese teaching material for total beginners. It has a total of 12 volumes, roughly aligned to the HSK levels as follows:

It is targeted at short-term Chinese training programs in China as well as other universally-oriented Chinese training programs. The three levels are interrelated and independent to a certain extent so that users can choose the one(s) they need. Students can start with Book 1 or any other volume based on their own level of proficiency.