The book "Persian princes from the house of the Qajars in the Russian Empire" tells about the history of the Azerbaijani aristocratic family. Its representatives from the middle of the XX century. lived in Russia, however, not accepting its citizenship and maintaining the status of foreign princes. The fate of this family is inextricably linked with the policy of the Russian Empire in the Caucasus and Persia during the reign of the last four emperors of the Romanov dynasty.