Graded Chinese Readers are simplified books designed for students of Chinese as a foreign language. The main purpose of Graded Chinese Readers is to help students improve their reading comprehension. Graded Chinese Readers can be useful both inside and outside the classroom. The vocabulary of Graded Chinese Reader 1 is limited to about 2000 Chinese words. This is based on the 1033 Chinese words defined as basic vocabulary in the Level A of the Chinese Proficiency Test, together with some words from the Level B of HSK basic vocabulary.