"Difficult Points in Chinese Grammar" is supplementary material for teaching Chinese grammar. This book, compiled by teachers from the United States and China, focuses on the six Chinese grammar points, which are frequently misused by Chinese learners in English-speaking countries. In an easy-to-un-derstand style, this book gives a detailed explanation of the patterns and conditions for using these words, and also the causes of the most common mistakes. In addition, comparisons are made among the six grammar points. Various exercises are given to improve the students' language ability, while a key to the exercises is included at the end of the book. All the examples and exercises in the book are accompanied by Hanyu Pinyin. This book is suitable for college students studying at the first- to third-year levels. It can also be used as a reference book by teachers.