Miguel de Castanhoso's 'The Portuguese Expedition to Abyssinia in 1541–1543' is a meticulously documented account of the failed military expedition led by the Portuguese to aid the Ethiopian emperor against invading Muslim forces. Castanhoso's text is written in a detailed and factual style, drawing on eyewitness accounts and official records to provide a comprehensive narrative of the events. The book sheds light on the strategic, political, and cultural aspects of the expedition, offering valuable insights into the dynamics of early modern global diplomacy. Castanhoso's work is a significant contribution to the historiography of European colonial ventures in Africa, providing a nuanced perspective on the complexities of cross-cultural interactions in the 16th century. The book is a must-read for scholars interested in military history, European expansion, and the dynamics of intercontinental relations during the Age of Discovery.