The sites of Vitcos and Espiritu Pampa are two of the most important Inca cities within the remote Vilcabamba region of Peru. The province has gained notoriety among historians, archaeologists, and other students of the Inca, since it was from here that the last independent Incas waged a nearly forty-year-long war (AD 1536-1572) against Spanish control of the Andes. Building on three years of excavation and two years of archival work, the authors...