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The Routledge Course in Modern Mandarin Chinese is a two-year undergraduate course for students with no prior background in Chinese. Designed to build a strong foundation in both the spoken and written language, it develops all the basic skills such as pronunciation, character writing, word use and structures, while placing strong emphasis on the development of communicative skills. Thanks to Mr. Nick Jacobs for making this list.
The Routledge Course in Modern Mandarin Chinese 现代汉语课程, Level 2. Written by Claudia Ross, Baozhang He, Pei-Chia Chen, and Meng Yeh. Published in 2011 by Routledge. 464 pages.