Okay, here is the translation following your instructions: Tang Xuanzong's Biography

Author: Xu Daoxun
Publisher:
Publish Date: 2003-03-01
Features: This book uses rich historical materials to objectively and truthfully narrate the imperial career, historical achievements, and shortcomings of Emperor Xuanzong of Tang, revealing the evolution process of the Tang Dynasty's decline from prosperity. The book provides a detailed introduction to the tragic love story between Emperor Xuanzong and Yang Guifei, as well as a systematic clarification and analysis of the love legends between Li and Yang.