The published book of H.-G. Gabashi is the most complete description of the history, ethnic processes and the formation of the states of the Turks and the peoples directly related to them, from ancient times to the Middle Ages (XIII century), published in the Tatar language. The distinctive features of this study were encyclopedism, the inclusion of all the latest scientific information known to the historian, the availability of language, the involvement of eastern and western sources, and the widespread use of the works of Russian historians. The book is addressed to historians and a wide range of readers.