"Road to Success is a series of foreign language teaching materials for non-native learners of Chinese. It not only can be applied to classroom teaching of formal Chinese teaching institutions, but also can meet the demands of various forms of teaching and self-study learners. It provides a comprehensive and rich teaching content and builds a scrupulous and standard teaching platform. Learners can get systematic learning and training of Chinese language knowledge, skills and culture. Moreover, the combinatorial design of Road to Success meets to the greatest extent diversified needs of teaching and learning by providing a wide choice for all types of teaching institutions and self-study learners. It consists of 20 volumes, designed as a progressively-graded series including Threshold, Lower Elementary, Elementary, Upper Elementary, Lower Intermediate, Intermediate, Lower Advanced and Advanced. The title of each series indicates the teaching level. Each series is designed with corresponding level and vocabulary so that learners can choose the right series that suits them. "