Li Yi is an author for whom publicly available information is currently limited; the name appears as the byline of a work in the field of literary appreciation. One work by this author is held in the collection, titled The Mirror of Poetry. Judging from the title and its classification, the book likely centers on the reading, appreciation, and analysis of poetry, placing it within the category of literary appreciation. Because verifiable biographical details about the author are insufficient, facts such as nationality, dates of birth and death, educational background, and writing career cannot be confirmed and are not inferred here. On the basis of the available clues, Li Yi's writing appears to focus on guiding readers into poetic texts and on helping them perceive the layers of language, imagery, and emotion. Books of this kind are usually intended for general readers and often serve as references for literary enthusiasts. Readers of The Mirror of Poetry may approach it as a close-reading attempt grounded in the text; further details about the author await additional public information.