The book "History of the Muslims of Spain, vol. 3/4 before the conquest of Andalusia by the Almoravids (711-1100)" by Reinhart Peter Anna Dozi is a voluminous and detailed account of the period of Spanish history associated with Muslim culture and civilization. In his work, the author covers the time period from 711 to 1100, revealing the key events, starting from the Muslim conquest of the Iberian Peninsula to the establishment of Almoravid control over Andalusia. In his research, Dozi analyzes the political, economic, sociocultural and religious aspects of the development of Muslim Spanish civilization. He examines in detail the interaction of different ethnic groups, the emergence of scientific and cultural centers, military conflicts, and diplomatic relations that accompanied the period of flourishing of Muslim Spain. The book "History of the Muslims of Spain, vol. 3/4" is a valuable source of knowledge for anyone interested in the history of medieval Spain and the influence of Muslim culture on the formation of European civilization.