李元

Li Yuan is an author with a wide-ranging body of work, though limited public information is available, and basic details such as biography, nationality, and dates of birth and death remain unclear. Eight of the author's works are held in the collection, spanning popular science, finance, social culture, law, modern romance, and Eastern philosophy, which indicates considerable versatility across fields. Representative works include astronomy titles such as Popular Astronomy (Revised Edition, Volumes I and II) and the Norton Star Atlas Handbook, as well as the specialized methodological study Statistical Inference for GARCH-Type Models: Based on High-Frequency Data. Other titles include Understanding and Applying the New Administrative Penalty Law for Public Security Police, aimed at law-enforcement practice; What to Talk About Before Falling in Love, which addresses emotional matters; and an idiom handbook designed to help readers master an allusion in three minutes, with an emphasis on popularizing traditional culture. Overall, the writing balances knowledge dissemination with everyday application and strives for accessibility, giving it a readership in popular science and practical books.