Basic Chinese: Modern Chinese (Hu Yushu, Shanghai Education Press)
Modern Chinese edited by Huang Borong and Liao Xudong
Among them, Hu Yushu's version is a textbook for undergraduates of Wuhan University, and Huang Borong's is a universal version.
Interpretation of Grammar Teaching Chinese as a Foreign Language 20 1 Case
Zhu grammar lecture notes
Wang Li's Ancient Chinese
Fundamentals of Chinese International Education: An Introduction to China Culture (Chen Rongjie, Higher Education Press)
Introduction to China Culture (Cheng, Foreign Language Teaching and Research Press)
Introduction to Western Culture (Xie Guangyun, Hefei University of Technology Press)
Introduction to Teaching Chinese as a Foreign Language (Liu Xun, Beijing Language and Culture University Press)
Introduction to Cross-cultural Communication in Hu Wenzhong
"Introduction to China Culture" should be focused, from which there will be big problems; Supplementary reading of An Introduction to China Culture will fill in the blanks, but it is not difficult. However, the introduction of China culture goes deeper. If you find it difficult, you can make a summary from the topic.
Wu Da is not too difficult, as long as you read it carefully and summarize it later, it will be very smooth.