"Henry IV in Gascony (1553-1589)" is a book by the French historian Charles de Batz-Trenkel, which tells about the reign of the French king Henry IV in the region of Gascony in the 16th century. The author draws attention to important historical events and challenges faced by the king and his subjects during this period. The book reveals important aspects of the life and reign of Henry IV, recreating the picture of the social, political and cultural realities of that time. This is an interesting study that allows a better understanding of the history of France and Europe during the Renaissance and Renaissance."