domains. Published as Im�genes de un Imperio Perdido (Junta de Extemadura, Badajoz, 2003), this atlas was ostensibly prepared for strategic purposes, but thanks in part to interpretative methods associated with the New Map History, Roc�o S�nchez, Isabel Test�n and Carlos S�nchez, determined that this atlas were also meant to highlight the contributions of the Marquis de Heliche � the nobleman who commissioned it � to the defense of the Spanish empire during unprecedented era of war and revolt.

The images contained in this CD represent the discovery of yet another series of �lost� maps. Thanks again to the investigative skills of Carlos S�nchez, it brings into view the important collection of maps currently housed in Sweden�s military archives and which have long escaped scholarly attention. This collection is a true cartographic treasure, and the insightful introductory essay by Isabel Test�n and Roc�o S�nchez explains both how and why these maps found their way into the archives of the Vasa monarchy.

The majority of these maps, dating from the seventeenth and eighteenth centuries, are the kind of maps one expects to find in a military archive: designs for fortresses, plans of ports and frontier towns, detailed provincial maps, etc. All await detailed study. But from my perspective the great surprise is the �planta� of a �fort�n� designed for Madrid�s Casa de Campo. Dating from 1644, this well-executed drawing is attributed to the Infante Baltasar Carlos, the presumptive heir to the Spanish throne. In the end this fort�n was never built, and in 1646, the Infante met with an untimely death at the age of seventeen, but the discovery of this drawing is important for other reasons as it suggests that Baltasar Carlos, as part of his education, had been