This work investigates the origins and early development of the Mongol Empire through the lens of its most significant primary source document. Arthur Waley, a renowned scholar of East Asian literature and history, provides a critical examination of the text known as the Secret History of the Mongols. By analyzing the linguistic nuances and historical context of this anonymous 13th-century chronicle, Waley constructs a framework for understanding the rise of Genghis Khan and the socio-political structures of the nomadic tribes that unified under his leadership.

Scholars and historians frequently cite this work as a vital entry point for those seeking to understand the foundational myths and historical realities of the Mongol Empire. Readers often note the clarity of Waley's prose, which makes complex historical material accessible without sacrificing academic rigor.