"Journey to Spain of the Moroccan Ambassador (1690-1691)" is an interesting literary work that retains documentary value for the history of diplomacy. The authors of Wazir al-Ghassani and Muhammad ibn Abd al-Wahhab offer us a unique opportunity to walk in the footsteps of the chroniclers of the past and consider the events and impressions seen through the eyes of witnesses. This book reflects the everyday life and cultural features of Spain at the end of the 17th century, which makes it very interesting for the reader. Traveling together with the Moroccan embassy, we get to know Spanish rituals, observe the life of local residents, feel the atmosphere and flavor of that era. The book "Journey to Spain of the Moroccan Ambassador (1690-1691)" is a valuable source of knowledge for historians, cultural scientists and all those interested in the events and interactions between different countries in ancient times.