The book is dedicated to the history of one of the most famous and strong Turkic-speaking ethnic groups of the Middle Ages - the Polovtsy. So called their Russian chroniclers. In Arabic and Persian writings they were called Kipchaks, and in Byzantine and Latin works they were called Cumans. The author considers written sources and archaeological materials about this ethnic formation, raises and often resolves in a new way many issues of origin, economic and social relations, worldview and political history of this people. For a wide range of readers.