The multifaceted diplomatic activity of Nazir Tyuryakulov, the USSR envoy to the Kingdom of Saudi Arabia in 1928-1936, remained little known to the general public for many years. The book of the Kazakh scientist and statesman, Doctor of Political Sciences T. A. Mansurov on the basis of rich historical and documentary material reveals many interesting facts of the biography of Tyuryakulov - a talented politician, publicist and diplomat, whose whole life was devoted to noble service to his people. He played a prominent role in the history of the Soviet Union, contributing to the formation and development of its relations with the countries of the Middle East.The author has been studying the activities of Nazir Tyuryakulov in detail for many years, using documents from the Archive of Foreign Policy of the Russian Federation and other archives of Russia and Kazakhstan. This narrative is intended for everyone who is interested in Russian history, especially the history of diplomacy. The second edition of the book (the first was published in 2004) has been supplemented with new materials.