The book "Anglo-French Expression of Friendship in the 17th Century" by Charles Bastide is an important study of diplomatic relations between England and France in the 17th century. The author analyzed in detail the political, economic and socio-cultural aspects of this diplomatic agreement, which had a significant impact on the further development of European history. In addition, the book highlights the key events and figures of this period, which contributed to the formation of the role of both countries in international relations and determined their political course for decades to come. Due to its deep analysis and clear description of events, Bastide's book is an indispensable source for understanding the history of Europe in the 17th century.