Cui's Hard-working Kitten is a must-read story book for children aged 0-4. The author is Cui. The book tries to be succinct, with phonetic notation, and the content is suitable for children aged 0-4. Not only closely linked with life, but also actively expanded to a deeper level. Set knowledge, fun, scientific and pioneering in one. Stimulate children's interest in reading and develop their way of thinking.