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

Author: Xu Daoxun
Publisher:
Publish Date: 2003-03-01
Features: This book uses abundant historical materials to objectively and authentically narrate the reign of Emperor Xuanzong of Tang, his historical achievements and shortcomings, revealing the evolution process of the Tang Dynasty from prosperity to decline. The book provides a detailed introduction to the tragic love story between Emperor Xuanzong and Yang Guifei, and systematically clarifies and analyzes the love legends of Li and Yang.