Elementary Chinese 1 (CC BY-NC-SA)

Elementary Chinese 1 is the first half of a two-semester Mandarin Chinese course that aims to help beginners develop communicative competence in the basic four skills (listening, speaking, reading and writing) and culture of Chinese.

Elementary Chinese I (CC BY-NC)

This open textbook is designed for those who are learning Chinese as a second/foreign language in their first semester. It has eight chapters, covering topics including a brief introduction about the Chinese language, greetings, and self-introduction, hobbies, nationalities, family members and occupations, inviting friends to dinner, talking about food and beverage, making phone calls, and talking about classes and exams.

Elementary Chinese II (CC BY-NC)

This open textbook is designed for those who are learning Chinese as a second/foreign language in their second semester. It has six chapters, covering topics including describing school life, shopping in stores and online, transportation means, reporting weather and climates, ordering foods, and asking and giving directions.

地下水 (CC BY-NC-ND)

A Chinese version of the groundwater hydrology textbook Groundwater by Allan Freeze and John Cherry, which was originally published in 1979.

MIT BLOSSOMS Videos (CC BY-NC-SA)

Math and science videos for high school classes in Mandarin.