PM Rainbow Reading is a classic and unique graded reading book for children's English, which is divided into 1-30 grades and contains more than 2,000 picture books with a wide range of topics and rich contents. Each level provides a large number of story readers and non-story readers with similar difficulty and rich content, constantly reproduces high-frequency words and key sentence patterns, and improves reading ability through training literacy and reading skills, thus stimulating reading interest, cultivating good reading habits and promoting them to become lifelong readers. PM Rainbow Reading provides a complete reading teaching system for teachers, which can find a suitable reader for each student and help students improve their English reading ability through 30 levels of slow reading and advanced reading.