Despite the political and intellectual obstacles during the Pahlavi era, Ebrahim Fakhraei undertook the writing of the book Sardar-e Jangal .In writing his work, he faced the obstacle of the second Pahlavi government's pessimistic view of the Jangal Movement, yet with vigilance and scientific integrity, he sought to document the facts. The aim of this article is to explain Fakhraei's historiography in writing the book Sardar-e Jangal. The main research question is: how and with what method and approach did Fakhraei approach the historiography of the book Sardar-e Jangal of Guilan, and to what extent was he successful in this endeavor? This study addresses the main question using a descriptive and analytical method.

The research findings indicate that Fakhraei, with a scientific approach to history, engaged in historiography to increase society's knowledge of the Jangal Movement. He exercised due care in selecting sources and using documents related to the Jangal Movement. The distinguishing features of Fakhraei's historiography include avoiding hasty judgments, exercising caution regarding the figures within the Jangal Movement, and presenting an engaging style that does not tire the reader. Fakhraei based his historiography on a documentary and field method, drawing on documents, evidence, eyewitness accounts, and his own scholarly knowledge. As an innovative historian, he transcended the historiographical traditions of his time and left behind a valuable historical record of the Jangal Movement.