“Era of Nakhchivan in VII-XII centuries in the history and historiography” book by Director of the National Azerbaijan History Museum, Academician Naila Valikhanli was published. New edition, dedicated to the history of Nakhchivan studies the history of the autonomous republic for more than 6 centuries.

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 In the chapter entitled as "Nakhchivan during the Arab Caliphate", "The political situation in Nakhchivan during the feudal states of Azerbaijan", "Nakhchivan in the period of Azerbaijan state of Atabey" was reviewed the socio-political, socio-economic history of Nakhchivan, the military-political events that took place in this period studied based on historical sources.

One important point is that, the relevant stage of the history of Nakhchivan was studied in the Soviet period and in the years of independence. Chapter entitled as "The place of women of Atabey’s dynasty in socio-political life of Nakhchivan after its collapse" for the first time gives detailed information about the women who played an important role in the socio-political and cultural life of Azerbaijan in the Middle Ages.