This set of textbook is especially complied for oversea students, especially for teenagers to study Chinese at weekend course. The author is an experienced teacher in US California. She has eight years of teaching experience and now cooperates with Chinese experts and scholars in compiling the textbook. The 20-volume textbook are designed for a 9-year part-time course, introducing 2,500 Chinese characters, covering basic knowledge of strokes, phonetics, drills and short passages as well as systematic knowledge of Chinese culture including Chinese geography, history, philosophy, etc. The textbook feature wide range of knowledge, interesting topics and a step-by-step teaching and learning experience.