This work investigates the strategic, logistical, and human dimensions of the 1588 conflict between the Spanish Armada and the English fleet to determine how the experience of war shaped the outcome. Felipe Fernández-Armesto, a distinguished historian of global and maritime history, utilizes a wide array of Spanish and English archival sources to reconstruct the campaign. He argues that the failure of the Armada was not merely a result of weather or technological superiority, but a complex interplay of command decisions, resource management, and the differing military cultures of the two powers.

Historians frequently cite this text for its balanced use of both Spanish and English primary sources, which provides a more nuanced view than traditional Anglocentric accounts. Scholars note that the prose is accessible to general readers while maintaining the rigorous detail required for academic study.