This series includes more than 600 Chinese characters in four volumes from HSK Level 1-3 vocabulary: 174 characters from Level 1, 175characters from Level 2, 140characters from Level 3 Volume A, and 129 characters from Level 3 Volume B. For each character it provides pinyin, writing demonstrations, model characters, and blank squares for writing practice to help Chinese learners quickly master the forms, pronunciations, and writing norms of commonly used Chinese characters. The characters included in each level are all new from the corresponding HSK level, and exclude those which appeared in previous levels.