The present translation of the famous thirteenth century epic chronicle known as the Secret History of the Mongols is the product of thirty years' continuous investigation of this difficult text. Over 1,300 primary and secondary sources, as well as monographs and essays in many languages, have been consulted by the author who is a specialist in Sino-Mongolian Studies at the Australian National University, Canberra. Its chief value lies in the historical and philological commentary accompanying the translation, by far the most extensive of its kind. The translation itself, while close to the original, is at the same time eminently readable. The lengthy introduction provides a valuable and original insight into the history of the text and its importance as a historical source and literary monument. The three comprehensive indices (of names, subjects, grammar and lexis) also make this book a useful reference work for research on a variety of subjects related to Central Asia and China in the 12th and 13th centuries.