Yang Lie is an author about whom little public information is currently available; details such as his biography, nationality, and dates of birth and death remain unclear, and only one of his works is held in the collection. From the existing records, Yang Lie is the author of A History of World Literature, a book categorized under literary appreciation. This suggests that his writing is aimed at general readers and focuses on tracing the development of literature across countries and appreciating individual works, combining informative content with readability. Because further personal background is lacking, it is not possible to confirm his education, profession, or research direction, nor to determine the place of this book within his broader career. On the available evidence, Yang Lie appears to be a writer whose aim is to popularize knowledge of world literature, and his work offers readers an accessible introduction to the literatures of different countries. More material is needed before his other writings and activities can be described.