Wang Li's Poetic Metrics is an introductory book for learning to write poems, which is very good! I read it when I was thirteen or fourteen. This book has been printed many times and reprinted by many publishers. It is the best introductory book for those who learn to write poetry. I hope it can be reprinted repeatedly. Chinese teachers in primary and secondary schools all over the country had better recommend it to his students. Let junior high school students learn to write and understand poetry!